• • • We do not use the following data for averages, fits, limits, etc. • • • |
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1
AAD 2020C combine searches for a scalar resonance decaying to ${{\mathit H}^{0}}{{\mathit H}^{0}}$ in 36.1 fb${}^{-1}$ of ${{\mathit p}}{{\mathit p}}$ collisions at $\mathit E_{{\mathrm {cm}}}$ = 13 TeV from AABOUD 2019A, AABOUD 2019O, AABOUD 2018CQ, AABOUD 2019T, AABOUD 2018CW, and AABOUD 2018BU. See their Fig. 5(a) for limits on cross section times branching ratio for ${\mathit m}_{{{\mathit H}_{{2}}^{0}}}$ = $0.26 - 3$ TeV.
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2
SIRUNYAN 2020 search for the decay ${{\mathit H}^{0}}$ $\rightarrow$ ${{\mathit A}^{0}}{{\mathit A}^{0}}$ $\rightarrow$ ${{\mathit \tau}^{+}}{{\mathit \tau}^{-}}{{\mathit \tau}^{+}}{{\mathit \tau}^{-}}$ or ${{\mathit \tau}^{+}}{{\mathit \tau}^{-}}{{\mathit \mu}^{+}}{{\mathit \mu}^{-}}$ in 35.9 fb${}^{-1}$ of ${{\mathit p}}{{\mathit p}}$ collisions at $\mathit E_{{\mathrm {cm}}}$ = 13 TeV. See their Fig. 10 for limits on the product of production cross section (normalized to the SM) and branching ratios in the range ${\mathit m}_{{{\mathit A}^{0}}}$ = $4 - 15$ GeV.
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3
AABOUD 2019A search for a narrow scalar resonance decaying to ${{\mathit H}^{0}}$ ${{\mathit H}^{0}}$ $\rightarrow$ ${{\mathit b}}{{\overline{\mathit b}}}{{\mathit b}}{{\overline{\mathit b}}}$ in $27.5 - 36.1$ fb${}^{-1}$ of ${{\mathit p}}{{\mathit p}}$ collisions at $\mathit E_{{\mathrm {cm}}}$ = 13 TeV. See their Fig. 9(a) for limits on cross section times branching ratios for ${\mathit m}_{{{\mathit H}_{{2}}^{0}}}$ = $0.26 - 3$ TeV.
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4
AABOUD 2019AG search for the decay ${{\mathit H}^{0}}$ $\rightarrow$ ${{\mathit A}^{0}}{{\mathit A}^{0}}$ $\rightarrow$ ${{\mathit \mu}^{+}}{{\mathit \mu}^{-}}{{\mathit b}}{{\overline{\mathit b}}}$ in 36.7 fb${}^{-1}$ of ${{\mathit p}}{{\mathit p}}$ collisions at $\mathit E_{{\mathrm {cm}}}$ = 13 TeV. See their Fig. 6 (a) for limits on the product of production cross section (normalized to the SM) and branching ratios in the range ${\mathit m}_{{{\mathit A}^{0}}}$ = $20 - 60$ GeV.
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5
AABOUD 2019O search for a scalar resonance decaying to ${{\mathit H}^{0}}$ ${{\mathit H}^{0}}$ $\rightarrow$ ${{\mathit b}}{{\overline{\mathit b}}}{{\mathit W}}{{\mathit W}^{*}}$ in 36.1 fb${}^{-1}$ of ${{\mathit p}}{{\mathit p}}$ collisions at $\mathit E_{{\mathrm {cm}}}$ = 13 TeV. See their Fig. 12 (left) for limits on cross section times branching ratio for ${\mathit m}_{{{\mathit H}_{{2}}^{0}}}$ = $0.5 - 3$ TeV.
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6
AABOUD 2019T search for a scalar resonance decaying to ${{\mathit H}^{0}}$ ${{\mathit H}^{0}}$ $\rightarrow$ ${{\mathit W}}{{\mathit W}^{*}}{{\mathit W}}{{\mathit W}^{*}}$ in 36.1 fb${}^{-1}$ of ${{\mathit p}}{{\mathit p}}$ collisions at $\mathit E_{{\mathrm {cm}}}$ = 13 TeV. See their Fig. 3 for limits on cross section times branching ratio for ${\mathit m}_{{{\mathit H}_{{2}}^{0}}}$ = $260 - 500$ GeV, assuming SM decay rates for the ${{\mathit H}^{0}}$.
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7
AABOUD 2019V combine published ATLAS data to constrain two-Higgs-doublet plus singlet pseudoscalar model with ${{\mathit A}_{{1}}^{0}}$ decaying to invisible final states. See their Fig. 19 for excluded parameter regions.
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8
AABOUD 2019Y search for a narrow scalar resonance produced by gluon fusion or ${{\mathit b}}$ associated production, decaying to ${{\mathit \mu}^{+}}{{\mathit \mu}^{-}}$ in 36.1 fb${}^{-1}$ of ${{\mathit p}}{{\mathit p}}$ collisions at $\mathit E_{{\mathrm {cm}}}$ = 13 TeV. See their Figs. 4 and 5(a) for cross section limits for ${\mathit m}_{{{\mathit H}_{{2}}^{0}}}$ = $0.2 - 1.0$ TeV.
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9
AALTONEN 2019 search for ${{\mathit b}}$ associated production of a scalar particle decaying to ${{\mathit b}}{{\overline{\mathit b}}}$ in 5.4 fb${}^{-1}$ of ${{\mathit p}}{{\overline{\mathit p}}}$ collisions at $\mathit E_{{\mathrm {cm}}}$ = 1.96 TeV. See their Fig. 3 for limits on cross section times branching ratio for ${\mathit m}_{{{\mathit H}_{{{1,2}}}^{0}}}$ = $100 - 300$ GeV.
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10
SIRUNYAN 2019 search for a narrow scalar resonance decaying to ${{\mathit H}^{0}}$ ${{\mathit H}^{0}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit \gamma}}{{\mathit b}}{{\overline{\mathit b}}}$ in 35.9 fb${}^{-1}$ of ${{\mathit p}}{{\mathit p}}$ collisions at $\mathit E_{{\mathrm {cm}}}$ = 13 TeV. See their Fig. 9 (left) for limits on cross section times branching ratios for ${\mathit m}_{{{\mathit H}_{{2}}^{0}}}$ = $260 - 900$ GeV.
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11
SIRUNYAN 2019AE search for a scalar resonance produced in association with a ${{\mathit b}}{{\overline{\mathit b}}}$ pair, decaying to ${{\mathit \tau}^{+}}{{\mathit \tau}^{-}}$ in 35.9 fb${}^{-1}$ of ${{\mathit p}}{{\mathit p}}$ collisions at $\mathit E_{{\mathrm {cm}}}$ = 13 TeV. See their Fig. 4 for cross section limits for ${\mathit m}_{{{\mathit A}^{0}}}$ = $25 - 70$ GeV.
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12
SIRUNYAN 2019AN search for production of ${{\mathit A}_{{2}}^{0}}$ decaying to ${{\mathit H}^{0}}{{\mathit A}_{{1}}^{0}}$ followed by ${{\mathit H}^{0}}$ $\rightarrow$ ${{\mathit b}}{{\overline{\mathit b}}}$ , ${{\mathit A}_{{1}}^{0}}$ $\rightarrow$ invisible in 35.9 fb${}^{-1}$ of ${{\mathit p}}{{\mathit p}}$ collisions at $\mathit E_{{\mathrm {cm}}}$ = 13 TeV, in the mass range ${\mathit m}_{{{\mathit A}_{{2}}^{0}}}$ = $0.2 - 1.6$ TeV, ${\mathit m}_{{{\mathit A}_{{1}}^{0}}}$ = $0.15 - 0.5$ TeV. See their Fig. 6 for limits in terms of two-Higgs-doublet plus singlet pseudoscalar model.
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13
SIRUNYAN 2019AV search for a scalar resonance produced by gluon fusion or ${{\mathit b}}$-associated production, decaying to ${{\mathit Z}}$ ${{\mathit H}^{0}}$ $\rightarrow$ ${{\mathit \ell}^{+}}{{\mathit \ell}^{-}}{{\mathit b}}{{\overline{\mathit b}}}$ (${{\mathit \ell}}$ = ${{\mathit e}}$, ${{\mathit \mu}}$) or ${{\mathit \nu}}{{\overline{\mathit \nu}}}{{\mathit b}}{{\overline{\mathit b}}}$ in 35.9 fb${}^{-1}$ of ${{\mathit p}}{{\mathit p}}$ collisions at $\mathit E_{{\mathrm {cm}}}$ = 13 TeV. See their Fig. 5 for cross section limits for ${\mathit m}_{{{\mathit A}^{0}}}$ = $0.22 - 1.0$ TeV.
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14
SIRUNYAN 2019B search for gluon fusion production of narrow scalar resonance with large transverse momentum, decaying to ${{\mathit b}}{{\overline{\mathit b}}}$ , in 35.9 fb${}^{-1}$ of ${{\mathit p}}{{\mathit p}}$ collisions at $\mathit E_{{\mathrm {cm}}}$ = 13 TeV. See their Figs. 7 and 8 for limits on cross section times branching ratio for the resonance mass of $50 - 350$ GeV.
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15
SIRUNYAN 2019BB search for the decay ${{\mathit H}_{{1}}^{0}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit \gamma}}$ in 19.7 fb${}^{-1}$ of ${{\mathit p}}{{\mathit p}}$ collisions at $\mathit E_{{\mathrm {cm}}}$ = 8 TeV and 35.9 fb${}^{-1}$ at $\mathit E_{{\mathrm {cm}}}$ = 13 TeV. See their Figs. $4 - 6$ for limits on cross section times branching ratio for ${\mathit m}_{{{\mathit H}_{{1}}^{0}}}$ = $80 - 110$ GeV (some results in Fig. 5 for ${\mathit m}_{{{\mathit H}_{{1}}^{0}}}$ = $70 - 110$ GeV).
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16
SIRUNYAN 2019BD search for the decay ${{\mathit H}^{0}}$ $\rightarrow$ ${{\mathit A}^{0}}{{\mathit A}^{0}}$ $\rightarrow$ ${{\mathit \mu}^{+}}{{\mathit \mu}^{-}}{{\mathit b}}{{\overline{\mathit b}}}$ in 35.9 fb${}^{-1}$ of ${{\mathit p}}{{\mathit p}}$ collisions at $\mathit E_{{\mathrm {cm}}}$ = 13 TeV. See their Fig. 5 for limits on the product of cross section times branching ratios in the range ${\mathit m}_{{{\mathit A}^{0}}}$ = $20 - 62.5$ GeV. See also their Figs. 6 and 7 for interpretation of the data in terms of models with two Higgs doublets and a singlet.
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17
SIRUNYAN 2019BE combine searches for ${{\mathit H}_{{2}}^{0}}$ $\rightarrow$ ${{\mathit H}^{0}}{{\mathit H}^{0}}$ in 35.9 fb${}^{-1}$ of ${{\mathit p}}{{\mathit p}}$ collisions at $\mathit E_{{\mathrm {cm}}}$ = 13 TeV in various ${{\mathit H}^{0}}$ decay modes, from SIRUNYAN 2018A, SIRUNYAN 2018AF, SIRUNYAN 2018CW, SIRUNYAN 2019 , and SIRUNYAN 2019H. See their Fig. 3 for limits on cross section times branching ratios for ${\mathit m}_{{{\mathit H}_{{2}}^{0}}}$ = $0.25 - 3$ TeV.
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18
SIRUNYAN 2019BQ search for production of ${{\mathit H}_{{{1,2}}}^{0}}$ decaying to ${{\mathit A}^{0}}$ ${{\mathit A}^{0}}$ $\rightarrow$ ${{\mathit \mu}^{+}}{{\mathit \mu}^{-}}{{\mathit \mu}^{+}}{{\mathit \mu}^{-}}$ in 35.9 fb${}^{-1}$ of ${{\mathit p}}{{\mathit p}}$ collisions at $\mathit E_{{\mathrm {cm}}}$ = 13 TeV. See their Fig. 2 for limits on cross section times branching ratio for ${\mathit m}_{{{\mathit H}_{{{1,2}}}^{0}}}$ = $90 - 150$ GeV, ${\mathit m}_{{{\mathit A}^{0}}}$ = $0.25 - 3.55$ GeV.
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19
SIRUNYAN 2019CR search for production of ${{\mathit H}_{{2}}^{0}}$ $/$ ${{\mathit A}^{0}}$ in gluon fusion and in association with a ${{\mathit b}}{{\overline{\mathit b}}}$ pair, decaying to ${{\mathit \mu}^{+}}{{\mathit \mu}^{-}}$ in 35.9 fb${}^{-1}$ of ${{\mathit p}}{{\mathit p}}$ collisions at $\mathit E_{{\mathrm {cm}}}$ = 13 TeV. See their Fig. 6 for limits on cross section times branching ratio.
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20
SIRUNYAN 2019H search for a narrow scalar resonance decaying to ${{\mathit H}^{0}}$ ${{\mathit H}^{0}}$ $\rightarrow$ ${{\mathit b}}{{\overline{\mathit b}}}{{\mathit b}}{{\overline{\mathit b}}}$ in 35.9 fb${}^{-1}$ of ${{\mathit p}}{{\mathit p}}$ collisions at $\mathit E_{{\mathrm {cm}}}$ = 13 TeV, where one ${{\mathit b}}{{\overline{\mathit b}}}$ pair is resolved and the other not. Limits on cross section times branching ratios for ${\mathit m}_{{{\mathit H}_{{2}}^{0}}}$ = $0.75 - 1.6$ TeV are obtained and combined with data from SIRUNYAN 2018AF. See their Fig. 5 (right).
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21
AABOUD 2018AA search for production of a scalar resonance decaying to ${{\mathit Z}}{{\mathit \gamma}}$ , with ${{\mathit Z}}$ decaying hadronically, in 36.1 fb${}^{-1}$ of ${{\mathit p}}{{\mathit p}}$ collisions at $\mathit E_{{\mathrm {cm}}}$ = 13 TeV. See their Fig. 8(a) for limits on cross section times branching ratio for ${\mathit m}_{{{\mathit H}_{{2}}^{0}}}$ = $1.0 - 6.8$ TeV.
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22
AABOUD 2018AG search for the decay ${{\mathit H}^{0}}$ $\rightarrow$ ${{\mathit A}^{0}}{{\mathit A}^{0}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit \gamma}}{{\mathit g}}{{\mathit g}}$ in 36.7 fb${}^{-1}$ of ${{\mathit p}}{{\mathit p}}$ collisions at $\mathit E_{{\mathrm {cm}}}$ = 13 TeV. See their Fig. 2 and Table 6 for cross section limits in the range ${\mathit m}_{{{\mathit A}^{0}}}$ = $20 - 60$ GeV.
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23
AABOUD 2018AH search for production of an ${{\mathit A}^{0}}$ in gluon-gluon fusion and in association with a ${{\mathit b}}{{\overline{\mathit b}}}$ , decaying to ${{\mathit Z}}$ ${{\mathit H}_{{2}}^{0}}$ $\rightarrow$ ${{\mathit \ell}^{+}}{{\mathit \ell}^{-}}{{\mathit b}}{{\overline{\mathit b}}}$ in 36.1 fb${}^{-1}$ of ${{\mathit p}}{{\mathit p}}$ collisions at $\mathit E_{{\mathrm {cm}}}$ = 13 TeV. See their Fig. 5 for cross section limits for ${\mathit m}_{{{\mathit A}^{0}}}$ = $230 - 800$ GeV and ${\mathit m}_{{{\mathit H}_{{2}}^{0}}}$ = $130 - 700$ GeV.
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24
AABOUD 2018AI search for production of an ${{\mathit A}^{0}}$ in gluon-gluon fusion and in association with a ${{\mathit b}}{{\overline{\mathit b}}}$ , decaying to ${{\mathit Z}}{{\mathit H}^{0}}$ in the final states ${{\mathit \nu}}{{\overline{\mathit \nu}}}{{\mathit b}}{{\overline{\mathit b}}}$ and ${{\mathit \ell}^{+}}{{\mathit \ell}^{-}}{{\mathit b}}{{\overline{\mathit b}}}$ in 36.1 fb${}^{-1}$ of ${{\mathit p}}{{\mathit p}}$ collisions at $\mathit E_{{\mathrm {cm}}}$ = 13 TeV. See their Fig. 6 for cross section limits for ${\mathit m}_{{{\mathit A}^{0}}}$ = $0.2 - 2$ TeV. See also AABOUD 2018CC.
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25
AABOUD 2018BF search for production of a heavy ${{\mathit H}_{{2}}^{0}}$ state decaying to ${{\mathit Z}}{{\mathit Z}}$ in the final states ${{\mathit \ell}^{+}}{{\mathit \ell}^{-}}{{\mathit \ell}^{+}}{{\mathit \ell}^{-}}$ and ${{\mathit \ell}^{+}}{{\mathit \ell}^{-}}{{\mathit \nu}}{{\overline{\mathit \nu}}}$ in 36.1 fb${}^{-1}$ of ${{\mathit p}}{{\mathit p}}$ collisions at $\mathit E_{{\mathrm {cm}}}$ = 13 TeV. See their Fig. 6 for upper limits on cross section times branching ratio for ${\mathit m}_{{{\mathit H}_{{2}}^{0}}}$ = $0.2 - 1.2$ TeV assuming ggF or VBF with the NWA. See their Fig. 7 for upper limits on cross section times branching ratio for ${\mathit m}_{{{\mathit H}_{{2}}^{0}}}$ = $0.4 - 1.0$ TeV assuming ggF, and with several assumptions on its width.
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26
AABOUD 2018BU search for a narrow scalar resonance decaying to ${{\mathit H}^{0}}$ ${{\mathit H}^{0}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit \gamma}}{{\mathit W}}{{\mathit W}^{*}}$ in 36.1 fb${}^{-1}$ of ${{\mathit p}}{{\mathit p}}$ collisions at $\mathit E_{{\mathrm {cm}}}$ = 13 TeV. See their Fig. 4 for limits on cross section times branching ratios for ${\mathit m}_{{{\mathit H}_{{2}}^{0}}}$ = $260 - 500$ GeV.
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27
AABOUD 2018BX search for associated production of ${{\mathit W}}{{\mathit H}^{0}}$ or ${{\mathit Z}}{{\mathit H}^{0}}$ followed by the decay ${{\mathit H}^{0}}$ $\rightarrow$ ${{\mathit A}^{0}}{{\mathit A}^{0}}$ $\rightarrow$ ${{\mathit b}}{{\overline{\mathit b}}}{{\mathit b}}{{\overline{\mathit b}}}$ in 36.1 fb${}^{-1}$ of ${{\mathit p}}{{\mathit p}}$ collisions at $\mathit E_{{\mathrm {cm}}}$ = 13 TeV. See their Fig. 9 for limits on cross section times branching ratios for ${\mathit m}_{{{\mathit A}^{0}}}$ = $20 - 60$ GeV. See also their Fig. 10 for the dependence of the limit on ${{\mathit A}^{0}}$ lifetime.
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28
AABOUD 2018CQ search for a narrow scalar resonance decaying to ${{\mathit H}^{0}}$ ${{\mathit H}^{0}}$ $\rightarrow$ ${{\mathit b}}{{\overline{\mathit b}}}{{\mathit \tau}^{+}}{{\mathit \tau}^{-}}$ in 36.1 fb${}^{-1}$ of ${{\mathit p}}{{\mathit p}}$ collisions at $\mathit E_{{\mathrm {cm}}}$ = 13 TeV. See their Fig. 2 (above) for limits on cross section times branching ratios for ${\mathit m}_{{{\mathit H}_{{2}}^{0}}}$ = $260 - 1000$ GeV.
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29
AABOUD 2018F search for production of a narrow scalar resonance decaying to ${{\mathit W}^{+}}{{\mathit W}^{-}}$ and ${{\mathit Z}}{{\mathit Z}}$ , followed by hadronic decays of ${{\mathit W}}$ and ${{\mathit Z}}$, in 36.7 fb${}^{-1}$ of ${{\mathit p}}{{\mathit p}}$ collisions at $\mathit E_{{\mathrm {cm}}}$ = 13 TeV. See their Fig. 5(c) for limits on cross section times branching ratio for ${\mathit m}_{{{\mathit H}_{{2}}^{0}}}$ = $1.2 - 3.0$ TeV.
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30
AAIJ 2018AM search for gluon-fusion production of ${{\mathit H}_{{{1,2}}}^{0}}$ decaying to ${{\mathit \mu}}{{\mathit \tau}}$ in 2 fb${}^{-1}$ of ${{\mathit p}}{{\mathit p}}$ collisions at $\mathit E_{{\mathrm {cm}}}$ = 8 TeV. See their Fig. 2 for limits on cross section times branching ratio for ${\mathit m}_{{{\mathit H}_{{{1,2}}}^{0}}}$ = $45 - 195$ GeV.
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31
AAIJ 2018AQ search for gluon-fusion production of a scalar particle ${{\mathit A}^{0}}$ decaying to ${{\mathit \mu}^{+}}{{\mathit \mu}^{-}}$ in 1.99 fb${}^{-1}$ of ${{\mathit p}}{{\mathit p}}$ collisions at $\mathit E_{{\mathrm {cm}}}$ = 8 TeV and 0.98 fb${}^{-1}$ at $\mathit E_{{\mathrm {cm}}}$ = 7 TeV. See their Fig. 4 for limits on cross section times branching ratio for ${\mathit m}_{{{\mathit A}^{0}}}$ = $5.5 - 15$ GeV (using the $\mathit E_{{\mathrm {cm}}}$ = 8 TeV data set).
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32
AAIJ 2018AQ search for the decay ${{\mathit H}^{0}}$ $\rightarrow$ ${{\mathit A}^{0}}{{\mathit A}^{0}}$ , with one of the ${{\mathit A}^{0}}$ decaying to ${{\mathit \mu}^{+}}{{\mathit \mu}^{-}}$ , in 1.99 fb${}^{-1}$ of ${{\mathit p}}{{\mathit p}}$ collisions at $\mathit E_{{\mathrm {cm}}}$ = 8 TeV and 0.98 fb${}^{-1}$ at $\mathit E_{{\mathrm {cm}}}$ = 7 TeV. See their Fig. 5 (right) for limits on the product of branching ratios for ${\mathit m}_{{{\mathit A}^{0}}}$ = $5.5 - 15$ GeV (using the $\mathit E_{{\mathrm {cm}}}$ = 8 TeV data set).
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33
SIRUNYAN 2018AF search for a narrow scalar resonance decaying to ${{\mathit H}^{0}}$ ${{\mathit H}^{0}}$ $\rightarrow$ ${{\mathit b}}{{\overline{\mathit b}}}{{\mathit b}}{{\overline{\mathit b}}}$ in 35.9 fb${}^{-1}$ of ${{\mathit p}}{{\mathit p}}$ collisions at $\mathit E_{{\mathrm {cm}}}$ = 13 TeV, where both ${{\mathit b}}{{\overline{\mathit b}}}$ pairs are not resolved. See their Fig. 9 for limits on cross section times branching ratios for ${\mathit m}_{{{\mathit H}_{{2}}^{0}}}$ = $0.75 - 3$ TeV.
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34
SIRUNYAN 2018BA search for production of a heavy ${{\mathit H}_{{2}}^{0}}$ state decaying to ${{\mathit Z}}{{\mathit Z}}$ in the final states ${{\mathit \ell}^{+}}{{\mathit \ell}^{-}}{{\mathit \ell}^{+}}{{\mathit \ell}^{-}}$ , ${{\mathit \ell}^{+}}{{\mathit \ell}^{-}}{{\mathit q}}{{\overline{\mathit q}}}$ , and ${{\mathit \ell}^{+}}{{\mathit \ell}^{-}}{{\mathit \nu}}{{\overline{\mathit \nu}}}$ in 35.9 fb${}^{-1}$ of ${{\mathit p}}{{\mathit p}}$ collisions at $\mathit E_{{\mathrm {cm}}}$ = 13 TeV. See their Figs. 10 and 11 for upper limits on cross section times branching ratio for ${\mathit m}_{{{\mathit H}_{{2}}^{0}}}$ = $0.13 - 3$ TeV with several assumptions on its width and on the fraction of Vector-Boson-Fusion of the total production cross section.
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35
SIRUNYAN 2018CW search for a narrow scalar resonance decaying to ${{\mathit H}^{0}}$ ${{\mathit H}^{0}}$ $\rightarrow$ ${{\mathit b}}{{\overline{\mathit b}}}{{\mathit b}}{{\overline{\mathit b}}}$ in 35.9 fb${}^{-1}$ of ${{\mathit p}}{{\mathit p}}$ collisions at $\mathit E_{{\mathrm {cm}}}$ = 13 TeV, where both ${{\mathit b}}{{\overline{\mathit b}}}$ pairs are resolved. See their Fig. 9 for limits on cross section times branching ratios for ${\mathit m}_{{{\mathit H}_{{2}}^{0}}}$ = $260 - 1200$ GeV.
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36
SIRUNYAN 2018DK search for production of a scalar resonance decaying to ${{\mathit Z}}{{\mathit \gamma}}$ , with ${{\mathit Z}}$ decaying to ${{\mathit \ell}^{+}}{{\mathit \ell}^{-}}$ or hadronically, in 35.9 fb${}^{-1}$ of ${{\mathit p}}{{\mathit p}}$ collisions at $\mathit E_{{\mathrm {cm}}}$ = 13 TeV. See their Fig. 7 for limits on cross section times branching ratio for ${\mathit m}_{{{\mathit H}_{{2}}^{0}}}$ = $0.35 - 4$ TeV for different assumptions on the width of the resonance.
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37
SIRUNYAN 2018DT search for the decay ${{\mathit H}^{0}}$ $\rightarrow$ ${{\mathit A}^{0}}{{\mathit A}^{0}}$ $\rightarrow$ ${{\mathit \tau}^{+}}{{\mathit \tau}^{-}}{{\mathit b}}{{\overline{\mathit b}}}$ in 35.9 fb${}^{-1}$ of ${{\mathit p}}{{\mathit p}}$ collisions at $\mathit E_{{\mathrm {cm}}}$ = 13 TeV. See their Fig. 7 for limits on the product of branching ratios in the range ${\mathit m}_{{{\mathit A}^{0}}}$ = $15 - 60$ GeV. See also their Fig. 8 for interpretation of the data in terms of models with two Higgs doublets and a singlet.
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38
SIRUNYAN 2018DU search for production of a narrow scalar resonance decaying to ${{\mathit \gamma}}{{\mathit \gamma}}$ in 35.9 fb${}^{-1}$ (taken in 2016) of ${{\mathit p}}{{\mathit p}}$ collisions at $\mathit E_{{\mathrm {cm}}}$ = 13 TeV. See their Fig. 3 (right) for limits on cross section times branching ratio for ${\mathit m}_{{{\mathit H}_{{2}}^{0}}}$ = $0.5 - 5$ TeV for several values of its width-to-mass ratio.
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39
SIRUNYAN 2018ED search for production of an ${{\mathit A}^{0}}$ in gluon-gluon fusion and in association with a ${{\mathit b}}{{\overline{\mathit b}}}$ , decaying to ${{\mathit Z}}{{\mathit H}^{0}}$ in the final states ${{\mathit \nu}}{{\overline{\mathit \nu}}}{{\mathit b}}{{\overline{\mathit b}}}$ or ${{\mathit \ell}^{+}}{{\mathit \ell}^{-}}{{\mathit b}}{{\overline{\mathit b}}}$ in 35.9 fb${}^{-1}$ of ${{\mathit p}}{{\mathit p}}$ collisions at $\mathit E_{{\mathrm {cm}}}$ = 13 TeV. See their Fig. 8 for cross section limits for ${\mathit m}_{{{\mathit A}^{0}}}$ = $0.8 - 2$ TeV.
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40
SIRUNYAN 2018EE search for the decay ${{\mathit H}^{0}}$ $\rightarrow$ ${{\mathit A}^{0}}{{\mathit A}^{0}}$ $\rightarrow$ ${{\mathit \mu}^{+}}{{\mathit \mu}^{-}}{{\mathit \tau}^{+}}{{\mathit \tau}^{-}}$ in 35.9 fb${}^{-1}$ of ${{\mathit p}}{{\mathit p}}$ collisions at $\mathit E_{{\mathrm {cm}}}$ = 13 TeV. See their Fig. 4 for limits on the product of branching ratios in the range ${\mathit m}_{{{\mathit A}^{0}}}$ = $15 - 62.5$ GeV, normalized to the SM production cross section. See also their Fig. 5 for interpretation of the data in terms of models with two Higgs doublets and a singlet.
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41
SIRUNYAN 2018F search for a narrow scalar resonance decaying to ${{\mathit H}^{0}}$ ${{\mathit H}^{0}}$ $\rightarrow$ ${{\mathit W}}{{\mathit W}}$ ${{\mathit b}}{{\overline{\mathit b}}}$ or ${{\mathit Z}}{{\mathit Z}}{{\mathit b}}{{\overline{\mathit b}}}$ in the final state ${{\mathit \ell}}{{\mathit \ell}}{{\mathit \nu}}{{\mathit \nu}}{{\mathit b}}{{\overline{\mathit b}}}$ in 35.9 fb${}^{-1}$ of ${{\mathit p}}{{\mathit p}}$ collisions at $\mathit E_{{\mathrm {cm}}}$ = 13 TeV. See their Fig. 7 for limits on cross section times branching ratios for ${\mathit m}_{{{\mathit H}_{{2}}^{0}}}$ = $250 - 900$ GeV.
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42
AABOUD 2017 search for production of a scalar resonance decaying to ${{\mathit Z}}{{\mathit \gamma}}$ in 3.2 fb${}^{-1}$ of ${{\mathit p}}{{\mathit p}}$ collisions at $\mathit E_{{\mathrm {cm}}}$ = 13 TeV. See their Fig. 4 for the limits on cross section times branching ratio for ${\mathit m}_{{{\mathit H}_{{2}}^{0}}}$ = $0.25 - 3.0$ TeV.
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43
AABOUD 2017AW search for production of a scalar resonance decaying to ${{\mathit Z}}{{\mathit \gamma}}$ in 36.1 fb${}^{-1}$ of ${{\mathit p}}{{\mathit p}}$ collisions at $\mathit E_{{\mathrm {cm}}}$ = 13 TeV. See their Fig. 7 for limits on cross section times branching ratio for ${\mathit m}_{{{\mathit H}_{{2}}^{0}}}$ = $0.25 - 2.4$ TeV.
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44
KHACHATRYAN 2017AZ search for the decay ${{\mathit H}^{0}}$ $\rightarrow$ ${{\mathit A}^{0}}{{\mathit A}^{0}}$ $\rightarrow$ ${{\mathit \tau}^{+}}{{\mathit \tau}^{-}}{{\mathit \tau}^{+}}{{\mathit \tau}^{-}}$ , ${{\mathit \mu}^{+}}{{\mathit \mu}^{-}}{{\mathit b}}{{\overline{\mathit b}}}$ , and ${{\mathit \mu}^{+}}{{\mathit \mu}^{-}}{{\mathit \tau}^{+}}{{\mathit \tau}^{-}}$ in 19.7 fb${}^{-1}$ of ${{\mathit p}}{{\mathit p}}$ collisions at $\mathit E_{{\mathrm {cm}}}$ = 8 TeV. See their Figs. 4, 5, and 6 for cross section limits in the range ${\mathit m}_{{{\mathit A}^{0}}}$ = $5 - 62.5$ GeV. See also their Figs. 7, 8, and 9 for interpretation of the data in terms of models with two Higgs doublets and a singlet.
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45
KHACHATRYAN 2017D search for production of a scalar resonance decaying to ${{\mathit Z}}{{\mathit \gamma}}$ in 19.7 fb${}^{-1}$ of ${{\mathit p}}{{\mathit p}}$ collisions at $\mathit E_{{\mathrm {cm}}}$ = 8 TeV and 2.7 fb${}^{-1}$ at $\mathit E_{{\mathrm {cm}}}$ = 13 TeV. See their Figs. 3 and 4 for the limits on cross section times branching ratio for ${\mathit m}_{{{\mathit H}_{{2}}^{0}}}$ = $0.2 - 2.0$ TeV.
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KHACHATRYAN 2017R search for production of a narrow scalar resonance decaying to ${{\mathit \gamma}}{{\mathit \gamma}}$ in 12.9 fb${}^{-1}$ (taken in 2016) of ${{\mathit p}}{{\mathit p}}$ collisions at $\mathit E_{{\mathrm {cm}}}$ = 13 TeV. See their Fig. 2 for limits on cross section times branching ratio for ${\mathit m}_{{{\mathit H}_{{2}}^{0}}}$ = $0.5 - 4.5$ TeV for several values of its width-to-mass ratio. Limits from combination with KHACHATRYAN 2016M are shown in their Figs. 4 and 6.
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SIRUNYAN 2017CN search for a narrow scalar resonance decaying to ${{\mathit H}^{0}}$ ${{\mathit H}^{0}}$ $\rightarrow$ ${{\mathit b}}{{\overline{\mathit b}}}{{\mathit \tau}^{+}}{{\mathit \tau}^{-}}$ in 18.3 fb${}^{-1}$ of ${{\mathit p}}{{\mathit p}}$ collisions at $\mathit E_{{\mathrm {cm}}}$ = 8 TeV. See their Fig. 5 (above) and Table II for limits on the cross section times branching ratios for ${\mathit m}_{{{\mathit H}_{{2}}^{0}}}$ = $0.3 - 1$ TeV, and Fig. 6 (above) and Table III for the corresponding limits by combining with data from KHACHATRYAN 2016BQ and KHACHATRYAN 2015R.
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SIRUNYAN 2017Y search for production of a scalar resonance decaying to ${{\mathit Z}}{{\mathit \gamma}}$ in 19.7 fb${}^{-1}$ of ${{\mathit p}}{{\mathit p}}$ collisions at $\mathit E_{{\mathrm {cm}}}$ = 8 TeV and 2.7 fb${}^{-1}$ at $\mathit E_{{\mathrm {cm}}}$ = 13 TeV. See their Figs. 3, 4 and Table 3 for limits on cross section times branching ratio for ${\mathit m}_{{{\mathit H}_{{2}}^{0}}}$ = $0.7 - 3.0$ TeV, and Fig. 5 for the corresponding limits for ${\mathit m}_{{{\mathit H}_{{2}}^{0}}}$ = $0.2 - 3.0$ TeV from combination with KHACHATRYAN 2017D data.
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AABOUD 2016AB search for associated production of ${{\mathit W}}{{\mathit H}^{0}}$ with the decay ${{\mathit H}^{0}}$ $\rightarrow$ ${{\mathit A}^{0}}{{\mathit A}^{0}}$ $\rightarrow$ ${{\mathit b}}{{\overline{\mathit b}}}{{\mathit b}}{{\overline{\mathit b}}}$ in 3.2 fb${}^{-1}$ of ${{\mathit p}}{{\mathit p}}$ collisions at $\mathit E_{{\mathrm {cm}}}$ = 13 TeV. See their Fig. 8 for limits on cross section times branching ratios for ${\mathit m}_{{{\mathit A}^{0}}}$ = $20 - 60$ GeV.
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AABOUD 2016AE search for production of a narrow scalar resonance decaying to ${{\mathit W}^{+}}{{\mathit W}^{-}}$ and ${{\mathit Z}}{{\mathit Z}}$ in 3.2 fb${}^{-1}$ of ${{\mathit p}}{{\mathit p}}$ collisions at $\mathit E_{{\mathrm {cm}}}$ = 13 TeV. See their Fig. 4 for limits on cross section times branching ratio for ${\mathit m}_{{{\mathit H}_{{2}}^{0}}}$ = $0.5 - 3$ TeV.
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AABOUD 2016H search for production of a scalar resonance decaying to ${{\mathit \gamma}}{{\mathit \gamma}}$ in 3.2 fb${}^{-1}$ of ${{\mathit p}}{{\mathit p}}$ collisions at $\mathit E_{{\mathrm {cm}}}$ = 13 TeV. See their Fig. 12 for limits on cross section times branching ratio for ${\mathit m}_{{{\mathit H}_{{2}}^{0}}}$ = $0.2 - 2$ TeV with different assumptions on the width.
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AABOUD 2016I search for a narrow scalar resonance decaying to ${{\mathit H}^{0}}$ ${{\mathit H}^{0}}$ $\rightarrow$ ${{\mathit b}}{{\overline{\mathit b}}}{{\mathit b}}{{\overline{\mathit b}}}$ in 3.2 fb${}^{-1}$ of ${{\mathit p}}{{\mathit p}}$ collisions at $\mathit E_{{\mathrm {cm}}}$ = 13 TeV. See their Fig. 10(c) for limits on cross section times branching ratios for ${\mathit m}_{{{\mathit H}_{{2}}^{0}}}$ = $0.5 - 3$ TeV.
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AAD 2016AX search for production of a heavy ${{\mathit H}^{0}}$ state decaying to ${{\mathit Z}}{{\mathit Z}}$ in the final states ${{\mathit \ell}^{+}}{{\mathit \ell}^{-}}{{\mathit \ell}^{+}}{{\mathit \ell}^{-}}$ , ${{\mathit \ell}^{+}}{{\mathit \ell}^{-}}{{\mathit \nu}}{{\overline{\mathit \nu}}}$ , ${{\mathit \ell}^{+}}{{\mathit \ell}^{-}}{{\mathit q}}{{\overline{\mathit q}}}$ , and ${{\mathit \nu}}{{\overline{\mathit \nu}}}{{\mathit q}}{{\overline{\mathit q}}}$ in 20.3 fb${}^{-1}$ of ${{\mathit p}}{{\mathit p}}$ collisions at $\mathit E_{{\mathrm {cm}}}$ = 8 TeV. See their Fig.12 for upper limits on ${\mathit \sigma (}{{\mathit H}^{0}}{)}$ B( ${{\mathit H}^{0}}$ $\rightarrow$ ${{\mathit Z}}{{\mathit Z}}$ ) for ${\mathit m}_{{{\mathit H}^{0}}}$ ranging from 140 GeV to 1000 GeV.
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AAD 2016C search for production of a heavy ${{\mathit H}^{0}}$ state decaying to ${{\mathit W}^{+}}{{\mathit W}^{-}}$ in the final states ${{\mathit \ell}}{{\mathit \nu}}{{\mathit \ell}}{{\mathit \nu}}$ and ${{\mathit \ell}}{{\mathit \nu}}{{\mathit q}}{{\mathit q}}$ in 20.3 fb${}^{-1}$ of ${{\mathit p}}{{\mathit p}}$ collisions at $\mathit E_{{\mathrm {cm}}}$ = 8 TeV. See their Figs. 12, 13, and 16 for upper limits on ${\mathit \sigma (}{{\mathit H}^{0}}{)}$ B( ${{\mathit H}^{0}}$ $\rightarrow$ ${{\mathit W}^{+}}{{\mathit W}^{-}}$ ) for ${\mathit m}_{{{\mathit H}^{0}}}$ ranging from 300 GeV to 1000 or 1500 GeV with various assumptions on the total width of ${{\mathit H}^{0}}$.
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AAD 2016L search for the decay ${{\mathit H}^{0}}$ $\rightarrow$ ${{\mathit A}^{0}}{{\mathit A}^{0}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit \gamma}}{{\mathit \gamma}}{{\mathit \gamma}}$ in 20.3 fb${}^{-1}$ of ${{\mathit p}}{{\mathit p}}$ collisions at $\mathit E_{{\mathrm {cm}}}$ = 8 TeV. See their Fig. 4 (upper right) for limits on cross section times branching ratios (normalized to the SM ${{\mathit H}^{0}}$ cross section) for ${\mathit m}_{{{\mathit A}^{0}}}$ = $10 - 60$ GeV.
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AAD 2016L search for the decay ${{\mathit H}_{{2}}^{0}}$ $\rightarrow$ ${{\mathit A}^{0}}{{\mathit A}^{0}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit \gamma}}{{\mathit \gamma}}{{\mathit \gamma}}$ in 20.3 fb${}^{-1}$ of ${{\mathit p}}{{\mathit p}}$ collisions at $\mathit E_{{\mathrm {cm}}}$ = 8 TeV. See their Fig. 4 (lower right) for limits on cross section times branching ratios for ${\mathit m}_{{{\mathit H}_{{2}}^{0}}}$ = 600 GeV and ${\mathit m}_{{{\mathit A}^{0}}}$ = $10 - 245$ GeV, and Table 5 for limits for ${\mathit m}_{{{\mathit H}_{{2}}^{0}}}$= 300 and 900 GeV.
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AALTONEN 2016C search for electroweak associated production of ${{\mathit H}_{{1}}^{0}}{{\mathit H}^{\pm}}$ followed by the decays ${{\mathit H}^{\pm}}$ $\rightarrow$ ${{\mathit H}_{{1}}^{0}}{{\mathit W}^{*}}$ , ${{\mathit H}_{{1}}^{0}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit \gamma}}$ for ${\mathit m}_{{{\mathit H}_{{1}}^{0}}}$ = $10 - 105$ GeV and ${\mathit m}_{{{\mathit H}^{\pm}}}$ = $30 - 300$ GeV. See their Fig. 3 for excluded parameter region in a two-doublet model in which ${{\mathit H}_{{1}}^{0}}$ has no direct decay to fermions.
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KHACHATRYAN 2016BG search for a narrow scalar resonance decaying to ${{\mathit H}^{0}}$ ${{\mathit H}^{0}}$ $\rightarrow$ ${{\mathit b}}{{\overline{\mathit b}}}{{\mathit b}}{{\overline{\mathit b}}}$ in 19.7 fb${}^{-1}$ of ${{\mathit p}}{{\mathit p}}$ collisions at $\mathit E_{{\mathrm {cm}}}$ = 8 TeV. See their Fig. 6 for limits on the cross section times branching ratios for ${\mathit m}_{{{\mathit H}_{{2}}^{0}}}$ = $1.15 - 3$ TeV.
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KHACHATRYAN 2016BQ search for a resonance decaying to ${{\mathit H}^{0}}$ ${{\mathit H}^{0}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit \gamma}}{{\mathit b}}{{\overline{\mathit b}}}$ in 19.7 fb${}^{-1}$ of ${{\mathit p}}{{\mathit p}}$ collisions at $\mathit E_{{\mathrm {cm}}}$ = 8 TeV. See their Fig. 9 for limits on the cross section times branching ratios for ${\mathit m}_{{{\mathit H}_{{2}}^{0}}}$ = $0.26 - 1.1$ TeV.
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KHACHATRYAN 2016F search for the decay ${{\mathit H}^{0}}$ $\rightarrow$ ${{\mathit H}_{{1}}^{0}}{{\mathit H}_{{1}}^{0}}$ $\rightarrow$ ${{\mathit \tau}^{+}}{{\mathit \tau}^{-}}{{\mathit \tau}^{+}}{{\mathit \tau}^{-}}$ in 19.7 fb${}^{-1}$ of ${{\mathit p}}$ ${{\mathit p}}$ collisions at $\mathit E_{{\mathrm {cm}}}$ = 8 TeV. See their Fig. 8 for cross section limits for ${\mathit m}_{{{\mathit H}_{{1}}^{0}}}$ = $4 - 8$ GeV.
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KHACHATRYAN 2016M search for production of a narrow resonance decaying to ${{\mathit \gamma}}{{\mathit \gamma}}$ in 19.7 fb${}^{-1}$ of ${{\mathit p}}{{\mathit p}}$ collisions at $\mathit E_{{\mathrm {cm}}}$ = 8 TeV and 3.3 fb${}^{-1}$ at $\mathit E_{{\mathrm {cm}}}$ = 13 TeV. See their Fig. 3 (top) for limits on cross section times branching ratio for ${\mathit m}_{{{\mathit H}_{{2}}^{0}}}$ = $0.5 - 4$ TeV.
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KHACHATRYAN 2016P search for gluon fusion production of an ${{\mathit H}_{{2}}^{0}}$ decaying to ${{\mathit H}^{0}}$ ${{\mathit H}^{0}}$ $\rightarrow$ ${{\mathit b}}{{\overline{\mathit b}}}{{\mathit \tau}^{+}}{{\mathit \tau}^{-}}$ in 19.7 fb${}^{-1}$ of ${{\mathit p}}{{\mathit p}}$ collisions at $\mathit E_{{\mathrm {cm}}}$ = 8 TeV. See their Fig. 8 (lower right) for cross section limits for ${\mathit m}_{{{\mathit H}_{{2}}^{0}}}$ = $260 - 350$ GeV.
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KHACHATRYAN 2016P search for gluon fusion production of an ${{\mathit A}^{0}}$ decaying to ${{\mathit Z}}$ ${{\mathit H}^{0}}$ $\rightarrow$ ${{\mathit \ell}^{+}}{{\mathit \ell}^{-}}{{\mathit \tau}^{+}}{{\mathit \tau}^{-}}$ in 19.7 fb${}^{-1}$ of ${{\mathit p}}{{\mathit p}}$ collisions at $\mathit E_{{\mathrm {cm}}}$ = 8 TeV. See their Fig. 10 for cross section limits for ${\mathit m}_{{{\mathit H}_{{2}}^{0}}}$ = $220 - 350$ GeV.
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AAD 2015BK search for production of a heavy ${{\mathit H}_{{2}}^{0}}$ decaying to ${{\mathit H}^{0}}{{\mathit H}^{0}}$ in the final state ${{\mathit b}}{{\overline{\mathit b}}}{{\mathit b}}{{\overline{\mathit b}}}$ in 19.5 fb${}^{-1}$ of ${{\mathit p}}{{\mathit p}}$ collisions at $\mathit E_{{\mathrm {cm}}}$ = 8 TeV. See their Fig. 14(c) for ${\mathit \sigma (}{{\mathit H}_{{2}}^{0}}{)}$ B( ${{\mathit H}_{{2}}^{0}}$ $\rightarrow$ ${{\mathit H}^{0}}{{\mathit H}^{0}}$ ) for ${\mathit m}_{{{\mathit H}_{{2}}^{0}}}$ = $500 - 1500$ GeV with ${\Gamma}_{{\mathit H}_{{2}}^{0}}$ = 1 GeV.
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AAD 2015BZ search for the decay ${{\mathit H}^{0}}$ $\rightarrow$ ${{\mathit A}^{0}}{{\mathit A}^{0}}$ $\rightarrow$ ${{\mathit \mu}^{+}}{{\mathit \mu}^{-}}{{\mathit \tau}^{+}}{{\mathit \tau}^{-}}$ (${\mathit m}_{{{\mathit H}^{0}}}$ = 125 GeV) in 20.3 fb${}^{-1}$ of ${{\mathit p}}{{\mathit p}}$ collisions at $\mathit E_{{\mathrm {cm}}}$ = 8 TeV. See their Fig. 6 for limits on cross section times branching ratio for ${\mathit m}_{{{\mathit A}^{0}}}$ = $3.7 - 50$ GeV.
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AAD 2015BZ search for a state ${{\mathit H}_{{2}}^{0}}$ via the decay ${{\mathit H}_{{2}}^{0}}$ $\rightarrow$ ${{\mathit A}^{0}}{{\mathit A}^{0}}$ $\rightarrow$ ${{\mathit \mu}^{+}}{{\mathit \mu}^{-}}{{\mathit \tau}^{+}}{{\mathit \tau}^{-}}$ in 20.3 fb${}^{-1}$ of ${{\mathit p}}{{\mathit p}}$ collisions at $\mathit E_{{\mathrm {cm}}}$ = 8 TeV. See their Fig. 6 for limits on cross section times branching ratio for ${\mathit m}_{{{\mathit H}_{{2}}^{0}}}$ = $100 - 500$ GeV and ${\mathit m}_{{{\mathit A}^{0}}}$ = 5 GeV.
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AAD 2015CE search for production of a heavy ${{\mathit H}_{{2}}^{0}}$ decaying to ${{\mathit H}^{0}}{{\mathit H}^{0}}$ in the final states ${{\mathit b}}{{\overline{\mathit b}}}{{\mathit \tau}^{+}}{{\mathit \tau}^{-}}$ and ${{\mathit \gamma}}{{\mathit \gamma}}{{\mathit W}}{{\mathit W}^{*}}$ in 20.3 fb${}^{-1}$ of ${{\mathit p}}{{\mathit p}}$ collisions at $\mathit E_{{\mathrm {cm}}}$ = 8 TeV and combine with data from AAD 2015H and AAD 2015BK. A limit ${\mathit \sigma (}{{\mathit H}_{{2}}^{0}}{)}$ B( ${{\mathit H}_{{2}}^{0}}$ $\rightarrow$ ${{\mathit H}^{0}}{{\mathit H}^{0}}$ ) $<$ $2.1 - 0.011$ pb (95$\%$ CL) is given for ${\mathit m}_{{{\mathit H}_{{2}}^{0}}}$ = $260 - 1000$ GeV. See their Fig. 6.
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AAD 2015H search for production of a heavy ${{\mathit H}_{{2}}^{0}}$ decaying to ${{\mathit H}^{0}}{{\mathit H}^{0}}$ in the finalstate ${{\mathit \gamma}}{{\mathit \gamma}}{{\mathit b}}{{\overline{\mathit b}}}$ in 20.3 fb${}^{-1}$ of ${{\mathit p}}{{\mathit p}}$ collisions at $\mathit E_{{\mathrm {cm}}}$ = 8 TeV.A limit of ${\mathit \sigma (}{{\mathit H}_{{2}}^{0}}{)}$ B( ${{\mathit H}_{{2}}^{0}}$ $\rightarrow$ ${{\mathit H}^{0}}{{\mathit H}^{0}}$ ) $<$ $3.5 - 0.7$ pb is given for ${\mathit m}_{{{\mathit H}_{{2}}^{0}}}$ = $260 - 500$ GeV at 95$\%$ CL. See their Fig. 3.
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AAD 2015S search for production of ${{\mathit A}^{0}}$ decaying to ${{\mathit Z}}$ ${{\mathit H}^{0}}$ $\rightarrow$ ${{\mathit \ell}^{+}}{{\mathit \ell}^{-}}{{\mathit b}}{{\overline{\mathit b}}}$ , ${{\mathit \nu}}{{\overline{\mathit \nu}}}{{\mathit b}}{{\overline{\mathit b}}}$ and ${{\mathit \ell}^{+}}{{\mathit \ell}^{-}}{{\mathit \tau}^{+}}{{\mathit \tau}^{-}}$ in 20.3 fb${}^{-1}$ of ${{\mathit p}}{{\mathit p}}$ collisions at $\mathit E_{{\mathrm {cm}}}$ = 8 TeV. See their Fig. 3 for cross section limits for ${\mathit m}_{{{\mathit A}^{0}}}$ = $200 - 1000$ GeV.
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KHACHATRYAN 2015AW search for production of a heavy state ${{\mathit H}_{{2}}^{0}}$ of an electroweak singlet extension of the Standard Model via the decays of ${{\mathit H}_{{2}}^{0}}$ to ${{\mathit W}^{+}}{{\mathit W}^{-}}$ and ${{\mathit Z}}{{\mathit Z}}$ in up to 5.1 fb${}^{-1}$ of ${{\mathit p}}{{\mathit p}}$ collisions at $\mathit E_{{\mathrm {cm}}}$ = 7 TeV and up to 19.7 fb${}^{-1}$ at $\mathit E_{{\mathrm {cm}}}$ = 8 TeV in the range ${\mathit m}_{{{\mathit H}_{{2}}^{0}}}$ = $145 - 1000$ GeV. See their Figs. 8 and 9 for limits in the parameter space of the model.
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KHACHATRYAN 2015BB search for production of a resonance ${{\mathit H}^{0}}$ decaying to ${{\mathit \gamma}}{{\mathit \gamma}}$ in 19.7 fb${}^{-1}$ of ${{\mathit p}}{{\mathit p}}$ collisions at $\mathit E_{{\mathrm {cm}}}$ = 8 TeV. See their Fig. 7 for limits on cross section times branching ratio for ${\mathit m}_{{{\mathit H}^{0}}}$ = $150 - 850$ GeV.
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KHACHATRYAN 2015N search for production of ${{\mathit A}^{0}}$ decaying to ${{\mathit Z}}$ ${{\mathit H}^{0}}$ $\rightarrow$ ${{\mathit \ell}^{+}}{{\mathit \ell}^{-}}{{\mathit b}}{{\overline{\mathit b}}}$ in 19.7 fb${}^{-1}$ of ${{\mathit p}}{{\mathit p}}$ collisions at $\mathit E_{{\mathrm {cm}}}$ = 8 TeV. See their Fig. 3 for limits on cross section times branching ratios for ${\mathit m}_{{{\mathit A}^{0}}}$ = $225 - 600$ GeV.
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KHACHATRYAN 2015O search for production of a high-mass narrow resonance ${{\mathit A}^{0}}$ decaying to ${{\mathit Z}}$ ${{\mathit H}^{0}}$ $\rightarrow$ ${{\mathit q}}{{\overline{\mathit q}}}{{\mathit \tau}^{+}}{{\mathit \tau}^{-}}$ in 19.7 fb${}^{-1}$ of ${{\mathit p}}{{\mathit p}}$ collisions at $\mathit E_{{\mathrm {cm}}}$ = 8 TeV. See their Fig. 6 for limits on cross section times branching ratios for ${\mathit m}_{{{\mathit A}^{0}}}$ = $800 - 2500$ GeV.
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KHACHATRYAN 2015R search for a narrow scalar resonance decaying to ${{\mathit H}^{0}}$ ${{\mathit H}^{0}}$ $\rightarrow$ ${{\mathit b}}{{\overline{\mathit b}}}{{\mathit b}}{{\overline{\mathit b}}}$ in 17.9 fb${}^{-1}$ of ${{\mathit p}}{{\mathit p}}$ collisions at $\mathit E_{{\mathrm {cm}}}$ = 8 TeV. See their Fig. 5 (top) for limits on cross section times branching ratios for ${\mathit m}_{{{\mathit H}_{{2}}^{0}}}$ = $0.27 - 1.1$ TeV.
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AAD 2014AP search for a second ${{\mathit H}^{0}}$ state decaying to ${{\mathit \gamma}}{{\mathit \gamma}}$ in addition to the state at about 125 GeV in 20.3 fb${}^{-1}$ of ${{\mathit p}}{{\mathit p}}$ collisions at $\mathit E_{{\mathrm {cm}}}$ = 8 TeV. See their Fig. 4 for limits on cross section times branching ratio for ${\mathit m}_{{{\mathit H}^{0}}}$ = $65 - 600$ GeV.
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AAD 2014M search for the decay cascade ${{\mathit H}_{{2}}^{0}}$ $\rightarrow$ ${{\mathit H}^{\pm}}{{\mathit W}^{\mp}}$ $\rightarrow$ ${{\mathit H}^{0}}{{\mathit W}^{\pm}}{{\mathit W}^{\mp}}$ , ${{\mathit H}^{0}}$ decaying to ${{\mathit b}}{{\overline{\mathit b}}}$ in 20.3 fb${}^{-1}$ of ${{\mathit p}}{{\mathit p}}$ collisions at $\mathit E_{{\mathrm {cm}}}$ = 8 TeV. See their Table III for limits on cross section times branching ratio for ${\mathit m}_{{{\mathit H}_{{2}}^{0}}}$= $325 - 1025$ GeV and ${\mathit m}_{{{\mathit H}^{+}}}$= $225 - 925$ GeV.
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CHATRCHYAN 2014G search for a second ${{\mathit H}^{0}}$ state decaying to ${{\mathit W}}{{\mathit W}^{(*)}}$ in addition to the observed signal at about 125 GeV using 4.9 fb${}^{-1}$ of ${{\mathit p}}{{\mathit p}}$ collisions at $\mathit E_{{\mathrm {cm}}}$ = 7 TeV and 19.4 fb${}^{-1}$ at $\mathit E_{{\mathrm {cm}}}$ = 8 TeV. See their Fig. 21 (right) for cross section limits in the mass range $110 - 600$ GeV.
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KHACHATRYAN 2014P search for a second ${{\mathit H}^{0}}$ state decaying to ${{\mathit \gamma}}{{\mathit \gamma}}$ in addition to the observed signal at about 125 GeV using 5.1 fb${}^{-1}$ of ${{\mathit p}}{{\mathit p}}$ collisions at $\mathit E_{{\mathrm {cm}}}$ = 7 TeV and 19.7 fb${}^{-1}$ at $\mathit E_{{\mathrm {cm}}}$ = 8 TeV. See their Figs. 27 and 28 for cross section limits in the mass range $110 - 150$ GeV.
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AALTONEN 2013P search for production of a heavy Higgs boson ${{\mathit H}^{'0}}$ that decays into a charged Higgs boson ${{\mathit H}^{\pm}}$ and a lighter Higgs boson ${{\mathit H}^{0}}$ via the decay chain ${{\mathit H}^{'0}}$ $\rightarrow$ ${{\mathit H}^{\pm}}{{\mathit W}^{\mp}}$ , ${{\mathit H}^{\pm}}$ $\rightarrow$ ${{\mathit W}^{\pm}}{{\mathit H}^{0}}$ , ${{\mathit H}^{0}}$ $\rightarrow$ ${{\mathit b}}{{\overline{\mathit b}}}$ in the final state ${{\mathit \ell}}{{\mathit \nu}}$ plus 4 jets in 8.7 fb${}^{-1}$ of ${{\mathit p}}{{\overline{\mathit p}}}$ collisions at $\mathit E_{{\mathrm {cm}}}$ = 1.96 TeV. See their Fig. 4 for limits on cross section times branching ratio in the ${\mathit m}_{{{\mathit H}^{\pm}}}−{\mathit m}_{{{\mathit H}^{'0}}}$ plane for ${\mathit m}_{{{\mathit H}^{0}}}$ = 126 GeV.
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CHATRCHYAN 2013BJ search for ${{\mathit H}^{0}}$ production in the decay chain ${{\mathit H}^{0}}$ $\rightarrow$ ${{\mathit A}^{0}}{{\mathit A}^{0}}$ , ${{\mathit A}^{0}}$ $\rightarrow$ ${{\mathit \mu}^{+}}{{\mathit \mu}^{-}}$ in 5.3 fb${}^{-1}$ of ${{\mathit p}}{{\mathit p}}$ collisions at $\mathit E_{{\mathrm {cm}}}$ = 7 TeV. See their Fig. 2 for limits on cross section times branching ratio.
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AALTONEN 2011P search in 2.7 fb${}^{-1}$ of ${{\mathit p}}{{\overline{\mathit p}}}$ collisions at $\mathit E_{{\mathrm {cm}}}$ = 1.96 TeV for the decay chain ${{\mathit t}}$ $\rightarrow$ ${{\mathit b}}{{\mathit H}^{+}}$ , ${{\mathit H}^{+}}$ $\rightarrow$ ${{\mathit W}^{+}}{{\mathit A}^{0}}$ , ${{\mathit A}^{0}}$ $\rightarrow$ ${{\mathit \tau}^{+}}{{\mathit \tau}^{-}}$ with ${\mathit m}_{{{\mathit A}^{0}}}$ between 4 and 9 GeV. See their Fig.$~$4 for limits on B( ${{\mathit t}}$ $\rightarrow$ ${{\mathit b}}{{\mathit H}^{+}}$ ) for 90 $<$ ${\mathit m}_{{{\mathit H}^{+}}}<$ 160 GeV.
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82
ABBIENDI 2010 search for ${{\mathit e}^{+}}$ ${{\mathit e}^{-}}$ $\rightarrow$ ${{\mathit Z}}{{\mathit H}^{0}}$ with the decay chain ${{\mathit H}^{0}}$ $\rightarrow$ ${{\widetilde{\mathit \chi}}_{{1}}^{0}}{{\widetilde{\mathit \chi}}_{{2}}^{0}}$ , ${{\widetilde{\mathit \chi}}_{{2}}^{0}}$ $\rightarrow$ ${{\widetilde{\mathit \chi}}_{{1}}^{0}}$ + (${{\mathit \gamma}}$ or ${{\mathit Z}^{*}}$), when ${{\widetilde{\mathit \chi}}_{{1}}^{0}}$ and ${{\widetilde{\mathit \chi}}_{{2}}^{0}}$ are nearly degenerate. For a mass difference of 2 (4) GeV, a lower limit on ${\mathit m}_{{{\mathit H}^{0}}}$ of 108.4 (107.0) GeV (95$\%$ CL) is obtained for SM ${{\mathit Z}}{{\mathit H}^{0}}$ cross section and B( ${{\mathit H}^{0}}$ $\rightarrow$ ${{\widetilde{\mathit \chi}}_{{1}}^{0}}{{\widetilde{\mathit \chi}}_{{2}}^{0}}$ ) = 1.
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SCHAEL 2010 search for the process ${{\mathit e}^{+}}$ ${{\mathit e}^{-}}$ $\rightarrow$ ${{\mathit H}^{0}}{{\mathit Z}}$ followed by the decay chain ${{\mathit H}^{0}}$ $\rightarrow$ ${{\mathit A}^{0}}{{\mathit A}^{0}}$ $\rightarrow$ ${{\mathit \tau}^{+}}{{\mathit \tau}^{-}}{{\mathit \tau}^{+}}{{\mathit \tau}^{-}}$ with ${{\mathit Z}}$ $\rightarrow$ ${{\mathit \ell}^{+}}{{\mathit \ell}^{-}}$ , ${{\mathit \nu}}{{\overline{\mathit \nu}}}$ at $\mathit E_{{\mathrm {cm}}}$ = $183 - 209$ GeV. For a ${{\mathit H}^{0}}{{\mathit Z}}{{\mathit Z}}$ coupling equal to the SM value, B( ${{\mathit H}^{0}}$ $\rightarrow$ ${{\mathit A}^{0}}{{\mathit A}^{0}}$ ) = B( ${{\mathit A}^{0}}$ $\rightarrow$ ${{\mathit \tau}^{+}}{{\mathit \tau}^{-}}$ ) = 1, and ${\mathit m}_{{{\mathit A}^{0}}}$ = $4 - 10$ GeV, ${\mathit m}_{{{\mathit H}^{0}}}$ up to 107 GeV is excluded at 95$\%$ CL.
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84
ABAZOV 2009V search for ${{\mathit H}^{0}}$ production followed by the decay chain ${{\mathit H}^{0}}$ $\rightarrow$ ${{\mathit A}^{0}}{{\mathit A}^{0}}$ $\rightarrow$ ${{\mathit \mu}^{+}}{{\mathit \mu}^{-}}{{\mathit \mu}^{+}}{{\mathit \mu}^{-}}$ or ${{\mathit \mu}^{+}}{{\mathit \mu}^{-}}{{\mathit \tau}^{+}}{{\mathit \tau}^{-}}$ in 4.2 fb${}^{-1}$ of ${{\mathit p}}{{\overline{\mathit p}}}$ collisions at $\mathit E_{{\mathrm {cm}}}$ = 1.96 TeV. See their Fig. 3 for limits on $\sigma ({{\mathit H}^{0}})\cdot{}$B( ${{\mathit H}^{0}}$ $\rightarrow$ ${{\mathit A}^{0}}{{\mathit A}^{0}}$ ) for ${\mathit m}_{{{\mathit A}^{0}}}$ = $3.6 - 19$ GeV.
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85
ABBIENDI 2005A search for ${{\mathit e}^{+}}$ ${{\mathit e}^{-}}$ $\rightarrow$ ${{\mathit H}_{{1}}^{0}}{{\mathit A}^{0}}$ in general Type-II two-doublet models, with decays ${{\mathit H}_{{1}}^{0}}$, ${{\mathit A}^{0}}$ $\rightarrow$ ${{\mathit q}}{{\overline{\mathit q}}}$ , ${{\mathit g}}{{\mathit g}}$ , ${{\mathit \tau}^{+}}{{\mathit \tau}^{-}}$ , and ${{\mathit H}_{{1}}^{0}}$ $\rightarrow$ ${{\mathit A}^{0}}{{\mathit A}^{0}}$ .
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86
ABBIENDI 2004K search for ${{\mathit e}^{+}}$ ${{\mathit e}^{-}}$ $\rightarrow$ ${{\mathit H}^{0}}{{\mathit Z}}$ with ${{\mathit H}^{0}}$ decaying to two jets of any flavor including ${{\mathit g}}{{\mathit g}}$ . The limit is for SM production cross section with B( ${{\mathit H}^{0}}$ $\rightarrow$ ${{\mathit j}}{{\mathit j}}$ ) = 1.
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87
ABDALLAH 2004 consider the full combined LEP and LEP2 datasets to set limits on the Higgs coupling to ${{\mathit W}}$ or ${{\mathit Z}}$ bosons, assuming SM decays of the Higgs. Results in Fig. 26.
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ACHARD 2004B search for ${{\mathit e}^{+}}$ ${{\mathit e}^{-}}$ $\rightarrow$ ${{\mathit H}^{0}}{{\mathit Z}}$ with ${{\mathit H}^{0}}$ decaying to ${{\mathit b}}{{\overline{\mathit b}}}$ , ${{\mathit c}}{{\overline{\mathit c}}}$ , or ${{\mathit g}}{{\mathit g}}$ . The limit is for SM production cross section with B( ${{\mathit H}^{0}}$ $\rightarrow$ ${{\mathit j}}{{\mathit j}}$ ) = 1.
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89
ACHARD 2004F search for ${{\mathit H}^{0}}$ with anomalous coupling to gauge boson pairs in the processes ${{\mathit e}^{+}}$ ${{\mathit e}^{-}}$ $\rightarrow$ ${{\mathit H}^{0}}{{\mathit \gamma}}$ , ${{\mathit e}^{+}}{{\mathit e}^{-}}{{\mathit H}^{0}}$ , ${{\mathit H}^{0}}{{\mathit Z}}$ with decays ${{\mathit H}^{0}}$ $\rightarrow$ ${{\mathit f}}{{\overline{\mathit f}}}$ , ${{\mathit \gamma}}{{\mathit \gamma}}$ , ${{\mathit Z}}{{\mathit \gamma}}$ , and ${{\mathit W}^{*}}{{\mathit W}}$ at $\mathit E_{{\mathrm {cm}}}$ = $189 - 209$ GeV. See paper for limits.
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90
ABBIENDI 2003F search for ${{\mathit H}^{0}}$ $\rightarrow$ anything in ${{\mathit e}^{+}}$ ${{\mathit e}^{-}}$ $\rightarrow$ ${{\mathit H}^{0}}{{\mathit Z}}$ , using the recoil mass spectrum of ${{\mathit Z}}$ $\rightarrow$ ${{\mathit e}^{+}}{{\mathit e}^{-}}$ or ${{\mathit \mu}^{+}}{{\mathit \mu}^{-}}$ . In addition, it searched for ${{\mathit Z}}$ $\rightarrow$ ${{\mathit \nu}}{{\overline{\mathit \nu}}}$ and ${{\mathit H}^{0}}$ $\rightarrow$ ${{\mathit e}^{+}}{{\mathit e}^{-}}$ or photons. Scenarios with large width or continuum ${{\mathit H}^{0}}$ mass distribution are considered. See their Figs. 11--14 for the results.
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91
ABBIENDI 2003G search for ${{\mathit e}^{+}}$ ${{\mathit e}^{-}}$ $\rightarrow$ ${{\mathit H}_{{1}}^{0}}{{\mathit Z}}$ followed by ${{\mathit H}_{{1}}^{0}}$ $\rightarrow$ ${{\mathit A}^{0}}{{\mathit A}^{0}}$ , ${{\mathit A}^{0}}$ $\rightarrow$ ${{\mathit c}}{{\overline{\mathit c}}}$ , ${{\mathit g}}{{\mathit g}}$ , or ${{\mathit \tau}^{+}}{{\mathit \tau}^{-}}$ in the region ${\mathit m}_{{{\mathit H}_{{1}}^{0}}}$ = 45-86 GeV and ${\mathit m}_{{{\mathit A}^{0}}}$ = 2-11 GeV. See their Fig. 7 for the limits.
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92
Search for associated production of a ${{\mathit \gamma}}{{\mathit \gamma}}$ resonance with a ${{\mathit Z}}~$boson, followed by ${{\mathit Z}}$ $\rightarrow$ ${{\mathit q}}{{\overline{\mathit q}}}$ , ${{\mathit \ell}^{+}}{{\mathit \ell}^{-}}$ , or ${{\mathit \nu}}{{\overline{\mathit \nu}}}$ , at $\mathit E_{{\mathrm {cm}}}{}\leq{}$209 GeV. The limit is for a ${{\mathit H}^{0}}$ with SM production cross section and B( ${{\mathit H}^{0}}$ $\rightarrow$ ${{\mathit f}}{{\overline{\mathit f}}}$ )=0 for all fermions ${{\mathit f}}$.
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93
For B( ${{\mathit H}^{0}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit \gamma}}$ )=1, ${\mathit m}_{{{\mathit H}^{0}}}>113.1$ GeV is obtained.
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94
HEISTER 2002M search for ${{\mathit e}^{+}}$ ${{\mathit e}^{-}}$ $\rightarrow$ ${{\mathit H}^{0}}{{\mathit Z}}$ , assuming that ${{\mathit H}^{0}}$ decays to ${{\mathit q}}{{\overline{\mathit q}}}$ , ${{\mathit g}}{{\mathit g}}$ , or ${{\mathit \tau}^{+}}{{\mathit \tau}^{-}}$ only. The limit assumes SM production cross section.
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95
ABBIENDI 2001E search for neutral Higgs bosons in general Type-II two-doublet models, at $\mathit E_{{\mathrm {cm}}}{}\leq{}$189 GeV. In addition to usual final states, the decays ${{\mathit H}_{{1}}^{0}}$, ${{\mathit A}^{0}}$ $\rightarrow$ ${{\mathit q}}{{\overline{\mathit q}}}$ , ${{\mathit g}}{{\mathit g}}$ are searched for. See their Figs.$~$15,16 for excluded regions.
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96
ACCIARRI 2000R search for ${{\mathit e}^{+}}$ ${{\mathit e}^{-}}$ $\rightarrow$ ${{\mathit H}^{0}}{{\mathit \gamma}}$ with ${{\mathit H}^{0}}$ $\rightarrow$ ${{\mathit b}}{{\overline{\mathit b}}}$ , ${{\mathit Z}}{{\mathit \gamma}}$ , or ${{\mathit \gamma}}{{\mathit \gamma}}$ . See their Fig.$~$3 for limits on $\sigma \cdot{}$B. Explicit limits within an effective interaction framework are also given, for which the Standard Model Higgs search results are used in addition.
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97
ACCIARRI 2000R search for the two-photon type processes ${{\mathit e}^{+}}$ ${{\mathit e}^{-}}$ $\rightarrow$ ${{\mathit e}^{+}}{{\mathit e}^{-}}{{\mathit H}^{0}}$ with ${{\mathit H}^{0}}$ $\rightarrow$ ${{\mathit b}}{{\overline{\mathit b}}}$ or ${{\mathit \gamma}}{{\mathit \gamma}}$ . See their Fig.$~$4 for limits on $\Gamma\mathrm {( {{\mathit H}^{0}} \rightarrow {{\mathit \gamma}} {{\mathit \gamma}} )}\cdot{}$B( ${{\mathit H}^{0}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit \gamma}}$ or ${{\mathit b}}{{\overline{\mathit b}}}$ ) for ${\mathit m}_{{{\mathit H}^{0}}}=70 - 170$ GeV.
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98
GONZALEZ-GARCIA 1998B use ${D0}$ limit for ${{\mathit \gamma}}{{\mathit \gamma}}$ events with missing $\mathit E_{\mathit T}$ in ${{\mathit p}}{{\overline{\mathit p}}}$ collisions (ABBOTT 1998 ) to constrain possible ${{\mathit Z}}{{\mathit H}}$ or ${{\mathit W}}{{\mathit H}}$ production followed by unconventional ${{\mathit H}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit \gamma}}$ decay which is induced by higher-dimensional operators. See their Figs.$~$1 and$~$2 for limits on the anomalous couplings.
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99
KRAWCZYK 1997 analyse the muon anomalous magnetic moment in a two-doublet Higgs model (with type$~$II Yukawa couplings) assuming no ${{\mathit H}_{{1}}^{0}}{{\mathit Z}}{{\mathit Z}}$ coupling and obtain ${\mathit m}_{{{\mathit H}_{{1}}^{0}}}{ {}\gtrsim{} }5$ GeV or ${\mathit m}_{{{\mathit A}^{0}}}{ {}\gtrsim{} }5$ GeV for tan $\beta >50$. Other Higgs bosons are assumed to be much heavier.
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100
ALEXANDER 1996H give B( ${{\mathit Z}}$ $\rightarrow$ ${{\mathit H}^{0}}{{\mathit \gamma}}$ )${\times }$B( ${{\mathit H}^{0}}$ $\rightarrow$ ${{\mathit q}}{{\overline{\mathit q}}}$ ) $<1 - 4 \times 10^{-5}$ (95$\%$CL) and B( ${{\mathit Z}}$ $\rightarrow$ ${{\mathit H}^{0}}{{\mathit \gamma}}$ )${\times }$B( ${{\mathit H}^{0}}$ $\rightarrow$ ${{\mathit b}}{{\overline{\mathit b}}}$ ) $<0.7 - 2 \times 10^{-5}$ (95$\%$CL) in the range 20 $<{\mathit m}_{{{\mathit H}^{0}}}$ $<$80 GeV.
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