$\bf{
1.28 \pm0.20}$
|
OUR AVERAGE
|
$1.2$ $\pm0.3$ |
|
1 |
|
ATLS |
$1.26$ ${}^{+0.31}_{-0.26}$ |
|
2 |
|
CMS |
$1.9$ ${}^{+0.8}_{-0.7}$ |
|
3 |
|
ATLS |
• • • We do not use the following data for averages, fits, limits, etc. • • • |
$0.72$ $\pm0.24$ $\pm0.38$ |
|
4 |
|
CMS |
$1.6$ ${}^{+0.5}_{-0.4}$ |
|
5 |
|
ATLS |
|
|
6 |
|
ATLS |
$0.84$ ${}^{+0.64}_{-0.61}$ |
|
7 |
|
ATLS |
$0.9$ $\pm1.5$ |
|
8 |
|
CMS |
$1.23$ ${}^{+0.45}_{-0.43}$ |
|
9 |
|
CMS |
$1.7$ $\pm0.8$ |
|
10 |
|
ATLS |
$2.3$ ${}^{+0.7}_{-0.6}$ |
|
11, 3 |
|
LHC |
$2.9$ ${}^{+1.0}_{-0.9}$ |
|
3 |
|
CMS |
$1.81$ ${}^{+0.52}_{-0.50}$ ${}^{+0.58}_{-0.55}$ ${}^{+0.31}_{-0.12}$ |
|
12 |
|
ATLS |
$1.4$ ${}^{+2.1}_{-1.4}$ ${}^{+0.6}_{-0.3}$ |
|
13 |
|
ATLS |
$1.5$ $\pm1.1$ |
|
14 |
|
ATLS |
$2.1$ ${}^{+1.4}_{-1.2}$ |
|
15 |
|
ATLS |
$1.2$ ${}^{+1.6}_{-1.5}$ |
|
16 |
|
CMS |
$2.8$ ${}^{+1.0}_{-0.9}$ |
|
17 |
|
CMS |
$9.49$ ${}^{+6.60}_{-6.28}$ |
|
18 |
|
CDF |
$<5.8$ |
95 |
19 |
|
CMS |
1
AABOUD 2018AC combine results of ${{\mathit t}}{{\overline{\mathit t}}}{{\mathit H}^{0}}$ , ${{\mathit H}^{0}}$ $\rightarrow$ ${{\mathit \tau}}{{\mathit \tau}}$ , ${{\mathit W}}{{\mathit W}^{*}}$ ( $\rightarrow$ ${{\mathit \ell}}{{\mathit \nu}}{{\mathit \ell}}{{\mathit \nu}}$ , ${{\mathit \ell}}{{\mathit \nu}}{{\mathit q}}{{\overline{\mathit q}}}$ ), ${{\mathit Z}}{{\mathit Z}^{*}}$ ( $\rightarrow$ ${{\mathit \ell}}{{\mathit \ell}}{{\mathit \nu}}{{\mathit \nu}}$ , ${{\mathit \ell}}{{\mathit \ell}}{{\mathit q}}{{\overline{\mathit q}}}$ ) with results of ${{\mathit t}}{{\overline{\mathit t}}}{{\mathit H}^{0}}$ , ${{\mathit H}^{0}}$ $\rightarrow$ ${{\mathit b}}{{\overline{\mathit b}}}$ (AABOUD 2018T), ${{\mathit \gamma}}{{\mathit \gamma}}$ (AABOUD 2018BO), ${{\mathit Z}}{{\mathit Z}^{*}}$ ( $\rightarrow$ 4 ${{\mathit \ell}}$ ) (AABOUD 2018AJ) in 36.1 fb${}^{-1}$ of ${{\mathit p}}{{\mathit p}}$ collisions at $\mathit E_{{\mathrm {cm}}}$ = 13 TeV. The quoted signal strength is given for ${\mathit m}_{{{\mathit H}^{0}}}$ = 125 GeV. See their Table 14.
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2
SIRUNYAN 2018L use up to 5.1, 19.7 and 35.9 fb${}^{-1}$ of ${{\mathit p}}{{\mathit p}}$ collisions at $\mathit E_{{\mathrm {cm}}}$ = 7, 8, and 13 TeV, respectively. The quoted signal strength corresponds to a significance of 5.2 standard deviations and is given for ${\mathit m}_{{{\mathit H}^{0}}}$ = 125.09 GeV. ${{\mathit H}^{0}}$ decay channels of ${{\mathit W}}{{\mathit W}^{*}}$ , ${{\mathit Z}}{{\mathit Z}^{*}}$ , ${{\mathit \gamma}}{{\mathit \gamma}}$ , ${{\mathit \tau}}{{\mathit \tau}}$ , and ${{\mathit b}}{{\overline{\mathit b}}}$ are used. See their Table 1 and Fig. 2 for results on individual channels.
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3
AAD 2016AN: In the fit, relative branching ratios are fixed to those in the Standard Model. The quoted signal strength is given for ${\mathit m}_{{{\mathit H}^{0}}}$ = 125.09 GeV.
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4
SIRUNYAN 2019R search for ${{\mathit t}}{{\overline{\mathit t}}}{{\mathit H}^{0}}$ production with ${{\mathit H}^{0}}$ decaying to ${{\mathit b}}{{\overline{\mathit b}}}$ in 35.9 fb${}^{-1}$ of data at $\mathit E_{{\mathrm {cm}}}$ = 13 TeV. The quoted signal strength is given for ${\mathit m}_{{{\mathit H}^{0}}}$ = 125 GeV.
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5
AABOUD 2018AC search for ${{\mathit t}}{{\overline{\mathit t}}}{{\mathit H}^{0}}$ production with ${{\mathit H}^{0}}$ decaying to ${{\mathit \tau}}{{\mathit \tau}}$ , ${{\mathit W}}{{\mathit W}^{*}}$ ( $\rightarrow$ ${{\mathit \ell}}{{\mathit \nu}}{{\mathit \ell}}{{\mathit \nu}}$ , ${{\mathit \ell}}{{\mathit \nu}}{{\mathit q}}{{\overline{\mathit q}}}$ ), ${{\mathit Z}}{{\mathit Z}^{*}}$ ( $\rightarrow$ ${{\mathit \ell}}{{\mathit \ell}}{{\mathit \nu}}{{\mathit \nu}}$ , ${{\mathit \ell}}{{\mathit \ell}}{{\mathit q}}{{\overline{\mathit q}}}$ ) in 36.1 fb${}^{-1}$ of ${{\mathit p}}{{\mathit p}}$ collisions at $\mathit E_{{\mathrm {cm}}}$ = 13 TeV. The quoted signal strength is given for ${\mathit m}_{{{\mathit H}^{0}}}$ = 125 GeV. See their Table 13 and Fig. 13.
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6
AABOUD 2018BK use 79.8 fb${}^{-1}$ data for ${{\mathit t}}{{\overline{\mathit t}}}{{\mathit H}^{0}}$ production with ${{\mathit H}^{0}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit \gamma}}$ and ${{\mathit Z}}$ ${{\mathit Z}^{*}}$ $\rightarrow$ 4 ${{\mathit \ell}}$ (${{\mathit \ell}}$ = ${{\mathit e}}$, ${{\mathit \mu}}$) and 36.1 fb${}^{-1}$ for other decay channels at $\mathit E_{{\mathrm {cm}}}$ = 13 TeV. A significance of 5.8 standard deviations is observed for ${\mathit m}_{{{\mathit H}^{0}}}$ = 125.09 GeV and its signal strength without the uncertainty of the ${{\mathit t}}{{\overline{\mathit t}}}{{\mathit H}^{0}}$ cross section is $1.32$ ${}^{+0.28}_{-0.26}$. Combining with results of 7 and 8 TeV (AAD 2016K), the significance is 6.3 standard deviations. Assuming Standard Model branching fractions, the total ${{\mathit t}}{{\overline{\mathit t}}}{{\mathit H}^{0}}$ production cross section at 13 TeV is measured to be $670$ $\pm90$ ${}^{+110}_{-100}$ fb.
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7
AABOUD 2018T search for ${{\mathit t}}{{\overline{\mathit t}}}{{\mathit H}^{0}}$ production with ${{\mathit H}^{0}}$ decaying to ${{\mathit b}}{{\overline{\mathit b}}}$ in 36.1 fb${}^{-1}$ of ${{\mathit p}}{{\mathit p}}$ collisions at $\mathit E_{{\mathrm {cm}}}$ = 13 TeV. The quoted signal strength is given for ${\mathit m}_{{{\mathit H}^{0}}}$ = 125 GeV.
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8
SIRUNYAN 2018BD search for ${{\mathit t}}{{\overline{\mathit t}}}{{\mathit H}^{0}}$ , ${{\mathit H}^{0}}$ $\rightarrow$ ${{\mathit b}}{{\overline{\mathit b}}}$ in the all-jet final state with 35.9 fb${}^{-1}$ ${{\mathit p}}{{\mathit p}}$ collision data at $\mathit E_{{\mathrm {cm}}}$ = 13 TeV. The quoted signal strength is given for ${\mathit m}_{{{\mathit H}^{0}}}$ = 125 GeV.
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9
SIRUNYAN 2018BQ search for ${{\mathit t}}{{\overline{\mathit t}}}{{\mathit H}^{0}}$ in final states with electrons, muons and hadronically decaying ${{\mathit \tau}}$ leptons ( ${{\mathit H}^{0}}$ $\rightarrow$ ${{\mathit W}}{{\mathit W}^{*}}$ , ${{\mathit Z}}{{\mathit Z}^{*}}$ , ${{\mathit \tau}}{{\mathit \tau}}$ ) with 35.9 fb${}^{-1}$ of ${{\mathit p}}{{\mathit p}}$ collision data at $\mathit E_{{\mathrm {cm}}}$ = 13 TeV. The quoted signal strength corresponds to a significance of 3.2 standard deviations and is given for ${\mathit m}_{{{\mathit H}^{0}}}$ = 125 GeV.
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10
AAD 2016AL search for ${{\mathit t}}{{\overline{\mathit t}}}{{\mathit H}^{0}}$ production with ${{\mathit H}^{0}}$ decaying to ${{\mathit \gamma}}{{\mathit \gamma}}$ in 4.5 fb${}^{-1}$ of ${{\mathit p}}{{\mathit p}}$ collisions at $\mathit E_{{\mathrm {cm}}}$ = 7 TeV and ${{\mathit b}}{{\overline{\mathit b}}}$ , ${{\mathit \tau}}{{\mathit \tau}}$ , ${{\mathit \gamma}}{{\mathit \gamma}}$ , ${{\mathit W}}{{\mathit W}^{*}}$ , and ${{\mathit Z}}{{\mathit Z}^{*}}$ in 20.3 fb${}^{-1}$ at $\mathit E_{{\mathrm {cm}}}$ = 8 TeV. The quoted signal strength is given for ${\mathit m}_{{{\mathit H}^{0}}}$ = 125 GeV. This paper combines the results of previous papers, and the new result of this paper only is: ${{\mathit \mu}}$ = $1.6$ $\pm2.6$.
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11
AAD 2016AN perform fits to the ATLAS and CMS data at $\mathit E_{{\mathrm {cm}}}$ = 7 and 8 TeV.
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12
AAD 2016K use up to 4.7 fb${}^{-1}$ of ${{\mathit p}}{{\mathit p}}$ collisions at $\mathit E_{{\mathrm {cm}}}$ = 7 TeV and up to 20.3 fb${}^{-1}$ at $\mathit E_{{\mathrm {cm}}}$ = 8 TeV. The third uncertainty in the measurement is theory systematics. The quoted signal strength is given for ${\mathit m}_{{{\mathit H}^{0}}}$ = 125.36 GeV.
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13
AAD 2015 search for ${{\mathit t}}{{\overline{\mathit t}}}{{\mathit H}^{0}}$ production with ${{\mathit H}^{0}}$ decaying to ${{\mathit \gamma}}{{\mathit \gamma}}$ 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. The quoted result on the signal strength is equivalent to an upper limit of 6.7 at 95$\%$ CL and is given for ${\mathit m}_{{{\mathit H}^{0}}}$ = 125.4 GeV.
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14
AAD 2015BC search for ${{\mathit t}}{{\overline{\mathit t}}}{{\mathit H}^{0}}$ production with ${{\mathit H}^{0}}$ 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. The corresponding upper limit is 3.4 at 95$\%$ CL. The quoted signal strength is given for ${\mathit m}_{{{\mathit H}^{0}}}$ = 125 GeV.
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15
AAD 2015T search for ${{\mathit t}}{{\overline{\mathit t}}}{{\mathit H}^{0}}$ production with ${{\mathit H}^{0}}$ resulting in multilepton final states (mainly from ${{\mathit W}}{{\mathit W}^{*}}$ , ${{\mathit \tau}}{{\mathit \tau}}$ , ${{\mathit Z}}{{\mathit Z}^{*}}$ ) in 20.3 fb${}^{-1}$ of ${{\mathit p}}{{\mathit p}}$ collisions at $\mathit E_{{\mathrm {cm}}}$ = 8 TeV. The quoted result on the signal strength is given for ${\mathit m}_{{{\mathit H}^{0}}}$ = 125 GeV and corresponds to an upper limit of 4.7 at 95$\%$ CL. The data sample is independent from AAD 2015 and AAD 2015BC.
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16
KHACHATRYAN 2015AN search for ${{\mathit t}}{{\overline{\mathit t}}}{{\mathit H}^{0}}$ production with ${{\mathit H}^{0}}$ decaying to ${{\mathit b}}{{\overline{\mathit b}}}$ in 19.5 fb${}^{-1}$ of ${{\mathit p}}{{\mathit p}}$ collisions at $\mathit E_{{\mathrm {cm}}}$ = 8 TeV. The quoted result on the signal strength is equivalent to an upper limit of 4.2 at 95$\%$ CL and is given for ${\mathit m}_{{{\mathit H}^{0}}}$ = 125 GeV.
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17
KHACHATRYAN 2014H search for ${{\mathit t}}{{\overline{\mathit t}}}{{\mathit H}^{0}}$ production with ${{\mathit H}^{0}}$ decaying to ${{\mathit b}}{{\overline{\mathit b}}}$ , ${{\mathit \tau}}{{\mathit \tau}}$ , ${{\mathit \gamma}}{{\mathit \gamma}}$ , ${{\mathit W}}{{\mathit W}^{*}}$ , and ${{\mathit Z}}{{\mathit Z}^{*}}$ , 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. The quoted signal strength is given for ${\mathit m}_{{{\mathit H}^{0}}}$ = 125.6 GeV.
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18
AALTONEN 2013L combine all CDF results with $9.45 - 10.0$ fb${}^{-1}$ of ${{\mathit p}}{{\overline{\mathit p}}}$ collisions at $\mathit E_{{\mathrm {cm}}}$ = 1.96 TeV. The quoted signal strength is given for ${\mathit m}_{{{\mathit H}^{0}}}$ = 125 GeV.
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19
CHATRCHYAN 2013X search for ${{\mathit t}}{{\overline{\mathit t}}}{{\mathit H}^{0}}$ production followed by ${{\mathit H}^{0}}$ $\rightarrow$ ${{\mathit b}}{{\overline{\mathit b}}}$ , one top decaying to ${{\mathit \ell}}{{\mathit \nu}}$ and the other to either ${{\mathit \ell}}{{\mathit \nu}}$ or ${{\mathit q}}{{\overline{\mathit q}}}$ in 5.0 fb${}^{-1}$ and 5.1 fb${}^{-1}$ of ${{\mathit p}}{{\mathit p}}$ collisions at $\mathit E_{{\mathrm {cm}}}$ = 7 and 8 TeV. A limit on cross section times branching ratio which corresponds to ($4.0 - 8.6$) times the expected Standard Model cross section is given for ${\mathit m}_{{{\mathit H}^{0}}}$ = $110 - 140$ GeV at 95$\%$ CL. The quoted limit is given for ${\mathit m}_{{{\mathit H}^{0}}}$ = 125 GeV, where 5.2 is expected for no signal.
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