• • • We do not use the following data for averages, fits, limits, etc. • • • |
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SIRUNYAN 2019BL measure the anomalous ${{\mathit H}}{{\mathit V}}{{\mathit V}}$ couplings from on-shell and off-shell production in the 4 ${{\mathit \ell}}$ final state. Data of 80.2 fb${}^{-1}$ at 13 TeV, 19.7 fb${}^{-1}$ at 8 TeV, and 5.1 fb${}^{-1}$ at 7 TeV are used. See their Tables VI and VII for anomalous ${{\mathit H}}{{\mathit V}}{{\mathit V}}$ couplings of $\mathit CP$-violating and $\mathit CP$-conserving parameters with on- and off-shells.
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SIRUNYAN 2019BZ constrain anomalous ${{\mathit H}}{{\mathit V}}{{\mathit V}}$ couplings of the Higgs boson with data of 35.9 fb${}^{-1}$ at $\mathit E_{{\mathrm {cm}}}$ = 13 TeV using Higgs boson candidates with two jets produced in VBF, ggF, and ${{\mathit V}}{{\mathit H}}$ that decay to ${{\mathit \tau}}{{\mathit \tau}}$ . See their Table 2 and Fig. 10, which show 68$\%$ CL and 95$\%$ CL intervals. Combining those with the ${{\mathit H}^{0}}$ $\rightarrow$ 4 ${{\mathit \ell}}$ (SIRUNYAN 2019BL, on-shell scenario), results shown in their Tables 3, 4, and Fig. 11 are obtained. A $\mathit CP$-violating parameter is set to be ${{\mathit f}_{{a3}}}$cos $({{\mathit \phi}_{{a3}}})$ = $0.00000$ $\pm0.00027$ and $\mathit CP$-conserving parameters are ${{\mathit f}_{{a2}}}$cos $({{\mathit \phi}_{{a2}}})$ = $0.00008$ ${}^{+0.00104}_{-0.00021}$, ${{\mathit f}}_{\Lambda 1}$cos $({{\mathit \phi}}_{\Lambda 1})$ = $0.00000$ ${}^{+0.00053}_{-0.00009}$, and ${{\mathit f}}{}^{ {{\mathit Z}} {{\mathit \gamma}} }_{ \Lambda 1}$cos $({{\mathit \phi}}{}^{ {{\mathit Z}} {{\mathit \gamma}} }_{\Lambda 1})$ = $0.0000$ ${}^{+0.0011}_{-0.0013}$.
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AABOUD 2018AJ study the tensor structure of the Higgs boson couplings using an effective Lagrangian using 36.1 fb${}^{-1}$ of ${{\mathit p}}{{\mathit p}}$ collision data at $\mathit E_{{\mathrm {cm}}}$ = 13 TeV. Constraints are set on the non-Standard-Model $\mathit CP$-even and $\mathit CP$-odd couplings to ${{\mathit Z}}$ bosons and on the $\mathit CP$-odd coupling to gluons. See their Figs. 9 and 10, and Tables 10 and 11.
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SIRUNYAN 2017AM constrain anomalous couplings of the Higgs boson with 5.1 fb${}^{-1}$ of ${{\mathit p}}{{\mathit p}}$ collisions at $\mathit E_{{\mathrm {cm}}}$ = 7 TeV, 19.7 fb${}^{-1}$ at $\mathit E_{{\mathrm {cm}}}$ = 8 TeV, and 38.6 fb${}^{-1}$ at $\mathit E_{{\mathrm {cm}}}$ = 13 TeV. See their Table 3 and Fig. 3, which show 68$\%$ CL and 95$\%$ CL intervals. A $\mathit CP$ violation parameter ${{\mathit f}_{{a3}}}$ is set to be ${{\mathit f}_{{a3}}}$cos $(\phi _{a3})$ = [$-0.38$, $0.46$] at 95$\%$ CL ($\phi _{a3}$ = 0 or ${{\mathit \pi}}$).
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AAD 2016 study ${{\mathit H}^{0}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit \gamma}}$ with an effective Lagrangian including $\mathit CP$ even and odd terms in 20.3 fb${}^{-1}$ of ${{\mathit p}}{{\mathit p}}$ collisions at $\mathit E_{{\mathrm {cm}}}$ = 8 TeV. The data is consistent with the expectations for the Higgs boson of the Standard Model. Limits on anomalous couplings are also given.
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AAD 2016BL study VBF ${{\mathit H}^{0}}$ $\rightarrow$ ${{\mathit \tau}}{{\mathit \tau}}$ with an effective Lagrangian including a $\mathit CP$ odd term in 20.3 fb${}^{-1}$ of ${{\mathit p}}{{\mathit p}}$ collisions at $\mathit E_{{\mathrm {cm}}}$ = 8 TeV. The measurement is consistent with the expectation of the Standard Model. The $\mathit CP$-mixing parameter $\tilde{{\mathit d}}$ (a dimensionless coupling ${{\widetilde{\mathit d}}}=−({{\mathit m}^{2}_{{W}}}/\Lambda {}^{2}){{\mathit f}}_{ {{\widetilde{\mathit W}}} {{\mathit W}} }$) is constrained to the interval of ($-0.11$, $0.05$) at 68$\%$ CL under the assumption of ${{\widetilde{\mathit d}}}$ = ${{\widetilde{\mathit d}}_{{B}}}$.
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KHACHATRYAN 2016AB search for anomalous pseudoscalar couplings of the Higgs boson to ${{\mathit W}}$ and ${{\mathit Z}}$ with 18.9 fb${}^{-1}$ of ${{\mathit p}}{{\mathit p}}$ collisions at $\mathit E_{{\mathrm {cm}}}$ = 8 TeV. See their Table 5 and Figs 5 and 6 for limits on possible anomalous pseudoscalar coupling parameters.
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AAD 2015AX compare the $\mathit J{}^{\mathit CP}$= ${}^{}0{}^{+}$ Standard Model assignment with other $\mathit J{}^{\mathit CP}$ hypotheses in 20.3 fb${}^{-1}$ of ${{\mathit p}}{{\mathit p}}$ collisions at $\mathit E_{{\mathrm {cm}}}$ = 8 TeV, using the process ${{\mathit H}^{0}}$ $\rightarrow$ ${{\mathit W}}{{\mathit W}^{*}}$ $\rightarrow$ ${{\mathit e}}{{\mathit \nu}}{{\mathit \mu}}{{\mathit \nu}}$ . ${}^{}2{}^{+}$ hypotheses are excluded at $84.5 - 99.4\%$CL, ${}^{}0{}^{-}$ at 96.5$\%$CL, ${}^{}0{}^{+}$ (field strength coupling) at 70.8$\%$CL. See their Fig. 19 for limits on possible $\mathit CP$ mixture parameters.
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AAD 2015CI compare the $\mathit J{}^{\mathit CP}$= ${}^{}0{}^{+}$ Standard Model assignment with other $\mathit J{}^{\mathit CP}$ hypotheses in 4.5 fb${}^{-1}$ of ${{\mathit p}}{{\mathit p}}$ collisions at $\mathit E_{{\mathrm {cm}}}$ = 7 TeV and 20.3 fb${}^{-1}$ at $\mathit E_{{\mathrm {cm}}}$ = 8 TeV, using the processes ${{\mathit H}^{0}}$ $\rightarrow$ ${{\mathit Z}}{{\mathit Z}^{*}}$ $\rightarrow$ 4 ${{\mathit \ell}}$ . ${{\mathit H}^{0}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit \gamma}}$ and combine with AAD 2015AX data. ${}^{}0{}^{+}$ (field strength coupling), ${}^{}0{}^{-}$ and several ${}^{}2{}^{+}$ hypotheses are excluded at more than 99.9$\%$ CL. See their Tables $7 - 9$ for limits on possible $\mathit CP$ mixture parameters.
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AALTONEN 2015 combine AALTONEN 2015B and ABAZOV 2014F data. An upper limit of 0.36 of the Standard Model production rate at 95$\%$ CL is obtained both for a ${}^{}0{}^{-}$ and a ${}^{}2{}^{+}$ state. Assuming the SM event rate, the $\mathit J{}^{\mathit CP}$ = ${}^{}0{}^{-}$ (${}^{}2{}^{+}$) hypothesis is excluded at the 5.0$\sigma $ (4.9$\sigma $) level.
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AALTONEN 2015B compare the $\mathit J{}^{\mathit CP}$ = ${}^{}0{}^{+}$ Standard Model assignment with other $\mathit J{}^{\mathit CP}$ hypotheses in 9.45 fb${}^{-1}$ of ${{\mathit p}}{{\overline{\mathit p}}}$ collisions at $\mathit E_{{\mathrm {cm}}}$ = 1.96 TeV, using the processes ${{\mathit Z}}$ ${{\mathit H}^{0}}$ $\rightarrow$ ${{\mathit \ell}}{{\mathit \ell}}{{\mathit b}}{{\overline{\mathit b}}}$ , ${{\mathit W}}$ ${{\mathit H}^{0}}$ $\rightarrow$ ${{\mathit \ell}}{{\mathit \nu}}{{\mathit b}}{{\overline{\mathit b}}}$ , and ${{\mathit Z}}$ ${{\mathit H}^{0}}$ $\rightarrow$ ${{\mathit \nu}}{{\mathit \nu}}{{\mathit b}}{{\overline{\mathit b}}}$ . Bounds on the production rates of ${}^{}0{}^{-}$ and ${}^{}2{}^{+}$ (graviton-like) states are set, see their tables II and III.
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KHACHATRYAN 2015Y compare the $\mathit J{}^{\mathit CP}$ = ${}^{}0{}^{+}$ Standard Model assignment with other $\mathit J{}^{\mathit CP}$ hypotheses 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, using the processes ${{\mathit H}^{0}}$ $\rightarrow$ 4 ${{\mathit \ell}}$ , ${{\mathit H}^{0}}$ $\rightarrow$ ${{\mathit W}}{{\mathit W}^{*}}$ , and ${{\mathit H}^{0}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit \gamma}}$ . ${}^{}0{}^{-}$ is excluded at 99.98$\%$ CL, and several ${}^{}2{}^{+}$ hypotheses are excluded at more than 99$\%$ CL. Spin 1 models are excluded at more than 99.999$\%$ CL in ${{\mathit Z}}{{\mathit Z}^{*}}$ and ${{\mathit W}}{{\mathit W}^{*}}$ modes. Limits on anomalous couplings and several cross section fractions, treating the case of $\mathit CP$-mixed states, are also given.
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ABAZOV 2014F compare the $\mathit J{}^{\mathit CP}$= ${}^{}0{}^{+}$ Standard Model assignment with $\mathit J{}^{\mathit CP}$= ${}^{}0{}^{-}$ and ${}^{}2{}^{+}$ (graviton-like coupling) hypotheses in up to 9.7 fb${}^{-1}$ of ${{\mathit p}}{{\overline{\mathit p}}}$ collisions at $\mathit E_{{\mathrm {cm}}}$ = 1.96 TeV. They use kinematic correlations between the decay products of the vector boson and the Higgs boson in the final states ${{\mathit Z}}$ ${{\mathit H}}$ $\rightarrow$ ${{\mathit \ell}}{{\mathit \ell}}{{\mathit b}}{{\overline{\mathit b}}}$ , ${{\mathit W}}$ ${{\mathit H}}$ $\rightarrow$ ${{\mathit \ell}}{{\mathit \nu}}{{\mathit b}}{{\overline{\mathit b}}}$ , and ${{\mathit Z}}$ ${{\mathit H}}$ $\rightarrow$ ${{\mathit \nu}}{{\mathit \nu}}{{\mathit b}}{{\overline{\mathit b}}}$ . The ${}^{}0{}^{-}$ (${}^{}2{}^{+}$) hypothesis is excluded at 97.6$\%$ CL (99.0$\%$ CL). In order to treat the case of a possible mixture of a $0{}^{+}{}^{}$ state with another $\mathit J{}^{\mathit CP}$ state, the cross section fractions ${{\mathit f}_{{X}}}$ = ${{\mathit \sigma}_{{X}}}/({{\mathit \sigma}}_{0{}^{+}{}^{}}$ + ${{\mathit \sigma}_{{X}}}$) are considered, where ${{\mathit X}}$ = $0{}^{-}{}^{}$, $2{}^{+}{}^{}$. Values for ${{\mathit f}}_{0{}^{-}{}^{}}$ (${{\mathit f}}_{2{}^{+}{}^{}}$) above 0.80 (0.67) are excluded at 95$\%$ CL under the assumption that the total cross section is that of the SM Higgs boson.
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CHATRCHYAN 2014AA compare the $\mathit J{}^{\mathit CP}$= ${}^{}0{}^{+}$ Standard Model assignment with various $\mathit J{}^{\mathit CP}$ hypotheses in 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. $\mathit J{}^{\mathit CP}$= ${}^{}0{}^{-}$ and 1${}^{\pm{}}$ hypotheses are excluded at 99$\%$ CL, and several $\mathit J = 2$ hypotheses are excluded at 95$\%$ CL. In order to treat the case of a possible mixture of a ${}^{}0{}^{+}$ state with another $\mathit J{}^{\mathit CP}$ state, the cross section fraction ${{\mathit f}_{{a3}}}$ = $\vert {{\mathit a}_{{3}}}\vert ^2$ ${{\mathit \sigma}_{{3}}}$ $/$ ($\vert {{\mathit a}_{{1}}}\vert ^2$ ${{\mathit \sigma}_{{1}}}$ + $\vert {{\mathit a}_{{2}}}\vert ^2$ ${{\mathit \sigma}_{{2}}}$ + $\vert {{\mathit a}_{{3}}}\vert ^2$ ${{\mathit \sigma}_{{3}}}$) is considered, where the case ${{\mathit a}_{{3}}}$ = 1, ${{\mathit a}_{{1}}}$ = ${{\mathit a}_{{2}}}$ = 0 corresponds to a pure $\mathit CP$-odd state. Assuming ${{\mathit a}_{{2}}}$ = 0, a value for ${{\mathit f}_{{a3}}}$ above 0.51 is excluded at 95$\%$ CL.
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CHATRCHYAN 2014G compare the $\mathit J{}^{\mathit CP}$= ${}^{}0{}^{+}$ Standard Model assignment with $\mathit J{}^{\mathit CP}$= ${}^{}0{}^{-}$ and ${}^{}2{}^{+}$ (graviton-like coupling) hypotheses in 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. Varying the fraction of the production of the ${}^{}2{}^{+}$ state via ${{\mathit g}}{{\mathit g}}$ and ${{\mathit q}}{{\overline{\mathit q}}}$ , ${}^{}2{}^{+}$ hypotheses are disfavored at CL between 83.7 and 99.8$\%$. The ${}^{}0{}^{-}$ hypothesis is disfavored against ${}^{}0{}^{+}$ at the 65.3$\%$ CL.
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KHACHATRYAN 2014P compare the $\mathit J{}^{\mathit CP}$= ${}^{}0{}^{+}$ Standard Model assignment with a ${}^{}2{}^{+}$ (graviton-like coupling) hypothesis in 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. Varying the fraction of the production of the ${}^{}2{}^{+}$ state via ${{\mathit g}}{{\mathit g}}$ and ${{\mathit q}}{{\overline{\mathit q}}}$ , ${}^{}2{}^{+}$ hypotheses are disfavored at CL between 71 and 94$\%$.
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AAD 2013AJ compare the spin 0, $\mathit CP$-even hypothesis with specific alternative hypotheses of spin 0, $\mathit CP$-odd, spin 1, $\mathit CP$-even and $\mathit CP$-odd, and spin 2, $\mathit CP$-even models using the Higgs boson decays ${{\mathit H}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit \gamma}}$ , ${{\mathit H}}$ $\rightarrow$ ${{\mathit Z}}{{\mathit Z}^{*}}$ $\rightarrow$ 4 ${{\mathit \ell}}$ and ${{\mathit H}}$ $\rightarrow$ ${{\mathit W}}{{\mathit W}^{*}}$ $\rightarrow$ ${{\mathit \ell}}{{\mathit \nu}}{{\mathit \ell}}{{\mathit \nu}}$ and combinations thereof. The data are compatible with the spin 0, $\mathit CP$-even hypothesis, while all other tested hypotheses are excluded at confidence levels above 97.8$\%$.
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CHATRCHYAN 2013J study angular distributions of the lepton pairs in the ${{\mathit Z}}{{\mathit Z}^{*}}$ channel where both ${{\mathit Z}}$ bosons decay to ${{\mathit e}}$ or ${{\mathit \mu}}$ pairs. Under the assumption that the observed particle has spin 0, the data are found to be consistent with the pure $\mathit CP$-even hypothesis, while the pure $\mathit CP$-odd hypothesis is disfavored.
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