${{\mathit H}}$ SIGNAL STRENGTHS IN DIFFERENT CHANNELS

The ${{\mathit H}}$ signal strength in a particular final state ${{\mathit x}}{{\mathit x}}$ is given by the cross section times branching ratio in this channel normalized to the Standard Model (SM) value, $\sigma $ $\cdot{}$ B(${{\mathit H}}$ $\rightarrow$ ${{\mathit x}}{{\mathit x}}$) $/$ ($\sigma $ $\cdot{}$ B(${{\mathit H}}$ $\rightarrow$ ${{\mathit x}}{{\mathit x}}))_{{\mathrm {SM}}}$, for the specified mass value of ${{\mathit H}}$. For the SM predictions, see DITTMAIER 2011, DITTMAIER 2012, and HEINEMEYER 2013A. Results for fiducial and differential cross sections are also listed below.

${{\mathit Z}}{{\mathit Z}^{*}}$ Final State

INSPIRE   JSON  (beta) PDGID:
S126SZZ
VALUE CL% DOCUMENT ID TECN  COMMENT
$\bf{ 1.02 \pm0.08}$ OUR AVERAGE
$0.97$ ${}^{+0.12}_{-0.11}$ 1
CMS
2022
CMS ${{\mathit p}}{{\mathit p}}$, 13 TeV
$1.01$ $\pm0.11$ 2, 3
AAD
2020AQ
ATLS ${{\mathit p}}{{\mathit p}}$, 13 TeV
$1.29$ ${}^{+0.26}_{-0.23}$ 4, 5
AAD
2016AN
LHC ${{\mathit p}}{{\mathit p}}$, 7, 8 TeV
• • We do not use the following data for averages, fits, limits, etc. • •
6
AAD
2024AQ
ATLS ${{\mathit p}}{{\mathit p}}$, 13.6 TeV, cross sections
7
HAYRAPETYAN
2023
CMS ${{\mathit p}}{{\mathit p}}$, 13 TeV cross sections
8
SIRUNYAN
2021AE
CMS ${{\mathit p}}{{\mathit p}}$, 13 TeV, couplings
$0.94$ $\pm0.07$ ${}^{+0.09}_{-0.08}$ 9
SIRUNYAN
2021S
CMS ${{\mathit p}}{{\mathit p}}$, 13 TeV
10, 2
AAD
2020AQ
ATLS ${{\mathit p}}{{\mathit p}}$, 13 TeV
11
AAD
2020BA
ATLS ${{\mathit p}}{{\mathit p}}$, 13 TeV cross sections
$<6.5$ 95 12
AABOUD
2019N
ATLS ${{\mathit p}}{{\mathit p}}$, 13 TeV, off-shell
$1.06$ ${}^{+0.19}_{-0.17}$ 13
SIRUNYAN
2019AT
CMS ${{\mathit p}}{{\mathit p}}$, 13 TeV
$1.28$ ${}^{+0.21}_{-0.19}$ 14
AABOUD
2018AJ
ATLS ${{\mathit p}}{{\mathit p}}$, 13 TeV
$<3.8$ 95 15
AABOUD
2018BP
ATLS ${{\mathit p}}{{\mathit p}}$, 13 TeV, off-shell
$1.05$ ${}^{+0.15}_{-0.14}$ ${}^{+0.11}_{-0.09}$ 16
SIRUNYAN
2017AV
CMS ${{\mathit p}}{{\mathit p}}$, 13 TeV
$1.52$ ${}^{+0.40}_{-0.34}$ 5
AAD
2016AN
ATLS ${{\mathit p}}{{\mathit p}}$, 7, 8 TeV
$1.04$ ${}^{+0.32}_{-0.26}$ 5
AAD
2016AN
CMS ${{\mathit p}}{{\mathit p}}$, 7, 8 TeV
$1.46$ ${}^{+0.35}_{-0.31}$ ${}^{+0.19}_{-0.13}$ 17
AAD
2016K
ATLS ${{\mathit p}}{{\mathit p}}$, 7, 8 TeV
18
KHACHATRYAN
2016AR
CMS ${{\mathit p}}{{\mathit p}}$, 7, 8 TeV cross sections
$1.44$ ${}^{+0.34}_{-0.31}$ ${}^{+0.21}_{-0.11}$ 19
AAD
2015F
ATLS ${{\mathit p}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit H}}{{\mathit X}}$, 7, 8 TeV
20
AAD
2014AR
ATLS ${{\mathit p}}{{\mathit p}}$, 8 TeV, cross sections
$0.93$ ${}^{+0.26}_{-0.23}$ ${}^{+0.13}_{-0.09}$ 21
CHATRCHYAN
2014AA
CMS ${{\mathit p}}{{\mathit p}}$, 7, 8 TeV
$1.43$ ${}^{+0.40}_{-0.35}$ 22
AAD
2013AK
ATLS ${{\mathit p}}{{\mathit p}}$, 7 and 8 TeV
$0.80$ ${}^{+0.35}_{-0.28}$ 23
CHATRCHYAN
2013J
CMS ${{\mathit p}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit H}}{{\mathit X}}$, 7, 8 TeV
$1.2$ $\pm0.6$ 24
AAD
2012AI
ATLS ${{\mathit p}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit H}}{{\mathit X}}$, 7, 8 TeV
$1.4$ $\pm1.1$ 24
AAD
2012AI
ATLS ${{\mathit p}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit H}}{{\mathit X}}$, 7 TeV
$1.1$ $\pm0.8$ 24
AAD
2012AI
ATLS ${{\mathit p}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit H}}{{\mathit X}}$, 8 TeV
$0.73$ ${}^{+0.45}_{-0.33}$ 25
CHATRCHYAN
2012N
CMS ${{\mathit p}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit H}}{{\mathit X}}$, 7, 8 TeV
1  CMS 2022 report combined results (see their Extended Data Table 2) using up to 138 fb${}^{-1}$ of data at $\mathit E_{{\mathrm {cm}}}$ = 13 TeV, assuming ${\mathit m}_{{{\mathit H}}}$ = 125.38 GeV. See their Fig. 2 right.
2  AAD 2020AQ perform analyses using ${{\mathit H}}$ $\rightarrow$ ${{\mathit Z}}{{\mathit Z}^{*}}$ $\rightarrow$ 4 ${{\mathit \ell}}$ (${{\mathit \ell}}$ = ${{\mathit e}}$ , ${{\mathit \mu}}$) with data of 139 fb${}^{-1}$ at $\mathit E_{{\mathrm {cm}}}$ = 13 TeV. Results are given for ${\mathit m}_{{{\mathit H}}}$ = 125 GeV.
3  AAD 2020AQ measured the inclusive cross section times branching ratio for ${{\mathit H}}$ $\rightarrow$ ${{\mathit Z}}{{\mathit Z}^{*}}$ decay ($\vert $y(${{\mathit H}})\vert $ $<$ 2.5) to be $1.34$ $\pm0.12$ pb (with $1.33$ $\pm0.08$ pb expected in the SM).
4  AAD 2016AN perform fits to the ATLAS and CMS data at $\mathit E_{{\mathrm {cm}}}$ = 7 and 8 TeV. The signal strengths for individual production processes are $1.13$ ${}^{+0.34}_{-0.31}$ for gluon fusion and $0.1$ ${}^{+1.1}_{-0.6}$ for vector boson fusion.
5  AAD 2016AN: In the fit, relative production cross sections are fixed to those in the Standard Model. The quoted signal strength is given for ${\mathit m}_{{{\mathit H}}}$ = 125.09 GeV.
6  AAD 2024AQ measure fiducial and total cross sections at $\mathit E_{{\mathrm {cm}}}$ = 13.6 TeV with 29.0 fb${}^{-1}$ data. The quoted results are given for ${\mathit m}_{{{\mathit H}}}$ = 125.09 GeV. The inclusive fiducial cross section is $2.80$ $\pm0.74$ fb with their defined fiducial region (see their Table 5), where $3.67$ $\pm0.19$ fb is expected in the SM. Assuming SM values for the acceptance and the branching fraction, the total cross section is $46$ $\pm12$ pb, where $59.9$ $\pm2.6$ pb is expected in the SM.
7  HAYRAPETYAN 2023 measure the cross sections for ${{\mathit p}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit H}}$ $\rightarrow$ ${{\mathit Z}}{{\mathit Z}^{*}}$ $\rightarrow$ 4 ${{\mathit \ell}}$ (${{\mathit \ell}}$ = ${{\mathit e}}$ , ${{\mathit \mu}}$) using 138 fb${}^{-1}$ at $\mathit E_{{\mathrm {cm}}}$ = 13 TeV. They give ${{\mathit \sigma}}$ = $2.73$ $\pm0.22$(stat) $\pm0.15$(syst) fb in their fiducial region (see their Section5 and Table 2), where $2.86$ $\pm0.15$ fb is expected in the Standard Model for ${\mathit m}_{{{\mathit H}}}$ = 125.38 GeV. 26 differential and 6 double-differential cross sections are given; see their Figs. 6-23 and 24-25.
8  SIRUNYAN 2021AE obtains constraints on anomalous couplings to vector bosons (${{\mathit W}}$, ${{\mathit Z}}$, and gluon) and top quark using ${{\mathit H}}$ $\rightarrow$ ${{\mathit Z}}{{\mathit Z}^{*}}$ $\rightarrow$ 4 ${{\mathit \ell}}$ (${{\mathit \ell}}$ = ${{\mathit e}}$ , ${{\mathit \mu}}$) with data of 137 fb${}^{-1}$ at $\mathit E_{{\mathrm {cm}}}$ = 13 TeV. Their Table 5 and Figs $14 - 17$ show (effective) couplings to gluon and top with combining gluon fusion, ${{\mathit t}}{{\overline{\mathit t}}}{{\mathit H}}$ and ${{\mathit t}}{{\mathit H}}$ production channels and the result of ${{\mathit t}}{{\overline{\mathit t}}}{{\mathit H}}$, ${{\mathit H}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit \gamma}}$ (SIRUNYAN 2020AS). Their Tables $6 - 9$ and Figs $18 - 22$ show couplings to ${{\mathit W}}$ and ${{\mathit Z}}$ for different assumptions and bases (Higgs and Warsaw).
9  SIRUNYAN 2021S measure cross sections with the ${{\mathit H}}$ $\rightarrow$ ${{\mathit Z}}{{\mathit Z}^{*}}$ $\rightarrow$ 4 ${{\mathit \ell}}$ (${{\mathit \ell}}$ = ${{\mathit e}}$ , ${{\mathit \mu}}$) channel using 137 fb${}^{-1}$ data at $\mathit E_{{\mathrm {cm}}}$ = 13 TeV. Results are given for ${\mathit m}_{{{\mathit H}}}$ = 125.38 GeV. The signal strengths for individual production processes in their Table 4. Cross sections are given in their Table 6 and Fig. 14, which are based on the simplified template cross section framework (reduced stage-1.2).
10  AAD 2020AQ present several results for the channel ${{\mathit H}}$ $\rightarrow$ ${{\mathit Z}}{{\mathit Z}^{*}}$ $\rightarrow$ 4 ${{\mathit \ell}}$ (${{\mathit \ell}}$ = ${{\mathit e}}$ , ${{\mathit \mu}}$) with the simplified template cross section with $\kappa $-frameworks and the effective field theory (EFT) approach; see their Table 8 and Fig. 10 for simplified template cross sections. ${{\mathit \kappa}_{{{V}}}}$ = $1.02$ $\pm0.06$ and ${{\mathit \kappa}_{{{F}}}}$ = $0.88$ $\pm0.16$ are obtained, see their Fig. 12 for the $\kappa $-framework. See their Tables 9 and 10 and Figs. $16 - 18$ for the EFT-framework.
11  AAD 2020BA measure the cross section for ${{\mathit p}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit H}}$ $\rightarrow$ ${{\mathit Z}}{{\mathit Z}^{*}}$ $\rightarrow$ 4 ${{\mathit \ell}}$ (${{\mathit \ell}}$ = ${{\mathit e}}$ , ${{\mathit \mu}}$) using 139 fb${}^{-1}$ at $\mathit E_{{\mathrm {cm}}}$ = 13 TeV. They give ${{\mathit \sigma}}\cdot{}{{\mathit B}}$ = $3.28$ $\pm0.30$ $\pm0.11$ fb in their fiducial region, where $3.41$ $\pm0.18$ fb is expected in the Standard Model for ${\mathit m}_{{{\mathit H}}}$ = 125 GeV. Various differential cross sections are also given; see their Figs. 19-39. Constraints on Yukawa couplings for bottom and charm quarks are given in their Table 9 and Fig. 41.
12  AABOUD 2019N measure the spectrum of the four-lepton invariant mass m$_{4 {{\mathit \ell}}}$ (${{\mathit \ell}}$ = ${{\mathit e}}$ or ${{\mathit \mu}}$) using 36.1 fb${}^{-1}$ of data at $\mathit E_{{\mathrm {cm}}}$ = 13 TeV. The quoted signal strength upper limit is obtained from 180 GeV $<$ m$_{4 {{\mathit \ell}}}$ $<$ 1200 GeV.
13  SIRUNYAN 2019AT perform a combine fit to 35.9 fb${}^{-1}$ of data at $\mathit E_{{\mathrm {cm}}}$ = 13 TeV.
14  AABOUD 2018AJ perform analyses using ${{\mathit H}}$ $\rightarrow$ ${{\mathit Z}}{{\mathit Z}^{*}}$ $\rightarrow$ 4 ${{\mathit \ell}}$ (${{\mathit \ell}}$ = ${{\mathit e}}$ , ${{\mathit \mu}}$) with data of 36.1 fb${}^{-1}$ at $\mathit E_{{\mathrm {cm}}}$ = 13 TeV. Results are given for ${\mathit m}_{{{\mathit H}}}$ = 125.09 GeV. The inclusive cross section times branching ratio for ${{\mathit H}}$ $\rightarrow$ ${{\mathit Z}}{{\mathit Z}^{*}}$ decay ($\vert \eta ({{\mathit H}})\vert $ $<$ 2.5) is measured to be $1.73$ ${}^{+0.26}_{-0.24}$ pb (with $1.34$ ${}^{+0.09}_{-0.09}$ pb expected in the SM).
15  AABOUD 2018BP measure an off-shell Higgs boson production using ${{\mathit Z}}$ ${{\mathit Z}}$ $\rightarrow$ 4 ${{\mathit \ell}}$ and ${{\mathit Z}}$ ${{\mathit Z}}$ $\rightarrow$ 2 ${{\mathit \ell}}$2 ${{\mathit \nu}}$ (${{\mathit \ell}}$ = ${{\mathit e}}$ , ${{\mathit \mu}}$) decay channels with 36.1 fb${}^{-1}$ of data at $\mathit E_{{\mathrm {cm}}}$ = 13 TeV. The quoted signal strength upper limit is obtained from a combination of these two channels, where 220 GeV $<$ m$_{4 {{\mathit \ell}}}$ $<$ 2000 GeV for ${{\mathit Z}}$ ${{\mathit Z}}$ $\rightarrow$ 4 ${{\mathit \ell}}$ and 250 GeV $<$ m${}^{ZZ}_{T}$ $<$ 2000 GeV for ${{\mathit Z}}$ ${{\mathit Z}}$ $\rightarrow$ 2 ${{\mathit \ell}}$2 ${{\mathit \nu}}$ (m${}^{ZZ}_{T}$ is defined in their Section 5). See their Table 2 for each measurement.
16  SIRUNYAN 2017AV use 35.9 fb${}^{-1}$ of ${{\mathit p}}{{\mathit p}}$ collisions at $\mathit E_{{\mathrm {cm}}}$ = 13 TeV. The quoted signal strength, obtained from the analysis of ${{\mathit H}}$ $\rightarrow$ ${{\mathit Z}}{{\mathit Z}^{*}}$ $\rightarrow$ 4 ${{\mathit \ell}}$ (${{\mathit \ell}}$ = ${{\mathit e}}$ , ${{\mathit \mu}}$) decays, is given for ${\mathit m}_{{{\mathit H}}}$ = 125.09 GeV. The signal strengths for different production modes are given in their Table 3. The fiducial and differential cross sections are shown in their Fig. 10.
17  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 quoted signal strength is given for ${\mathit m}_{{{\mathit H}}}$ = 125.36 GeV.
18  KHACHATRYAN 2016AR use data of 5.1 fb${}^{-1}$ at $\mathit E_{{\mathrm {cm}}}$ = 7 TeV and 19.7 fb${}^{-1}$ at 8 TeV. The fiducial cross sections for the production of 4 leptons via ${{\mathit H}}$ $\rightarrow$ 4 ${{\mathit \ell}}$ decays are measured to be $0.56$ ${}^{+0.67}_{-0.44}{}^{+0.21}_{-0.06}$ fb at 7 TeV and $1.11$ ${}^{+0.41}_{-0.35}{}^{+0.14}_{-0.10}$ fb at 8 TeV in their fiducial region (Table 2). The differential cross sections at $\mathit E_{{\mathrm {cm}}}$ = 8 TeV are also shown in Figs. 4 and 5. The results are given for ${\mathit m}_{{{\mathit H}}}$ = 125 GeV.
19  AAD 2015F use 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 signal strength is given for ${\mathit m}_{{{\mathit H}}}$ = 125.36 GeV. The signal strength for the gluon fusion production mode is $1.66$ ${}^{+0.45}_{-0.41}{}^{+0.25}_{-0.15}$, while the signal strength for the vector boson fusion production mode is $0.26$ ${}^{+1.60}_{-0.91}{}^{+0.36}_{-0.23}$.
20  AAD 2014AR measure the cross section for ${{\mathit p}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit H}}$ $\rightarrow$ ${{\mathit Z}}{{\mathit Z}^{*}}$ $\rightarrow$ 4 ${{\mathit \ell}}$ (${{\mathit \ell}}$ = ${{\mathit e}}$ , ${{\mathit \mu}}$) using 20.3fb${}^{-1}$ at $\mathit E_{{\mathrm {cm}}}$ = 8 TeV. They give ${{\mathit \sigma}}\cdot{}{{\mathit B}}$ = $2.11$ ${}^{+0.53}_{-0.47}$ $\pm0.08$ fbin their fiducial region, where $1.30$ $\pm0.13$ fb is expected in the Standard Model for ${\mathit m}_{{{\mathit H}}}$= 125.4 GeV. Various differential cross sections are also given; see their Fig. 2.
21  CHATRCHYAN 2014AA use 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 ${\mathit m}_{{{\mathit H}}}$ = 125.6 GeV. The signal strength for the gluon fusion and ${{\mathit t}}{{\overline{\mathit t}}}{{\mathit H}}$ production mode is $0.80$ ${}^{+0.46}_{-0.36}$, while the signal strength for the vector boson fusion and ${{\mathit W}}{{\mathit H}}$, ${{\mathit Z}}{{\mathit H}}$ production mode is $1.7$ ${}^{+2.2}_{-2.1}$.
22  AAD 2013AK use 4.7 fb${}^{-1}$ of ${{\mathit p}}{{\mathit p}}$ collisions at $\mathit E_{{\mathrm {cm}}}$ = 7 TeV and 20.7 fb${}^{-1}$ at $\mathit E_{{\mathrm {cm}}}$ = 8 TeV. The quoted signal strength is given for ${\mathit m}_{{{\mathit H}}}$ = 125.5 GeV.
23  CHATRCHYAN 2013J obtain results based on ${{\mathit Z}}$ ${{\mathit Z}}$ $\rightarrow$ 4 ${{\mathit \ell}}$ final states in 5.1 fb${}^{-1}$ of ${{\mathit p}}{{\mathit p}}$ collisions at $\mathit E_{{\mathrm {cm}}}$ = 7 TeV and 12.2 fb${}^{-1}$ at $\mathit E_{{\mathrm {cm}}}$ = 8 TeV. The quoted signal strength is given for ${\mathit m}_{{{\mathit H}}}$ = 125.8 GeV. Superseded by CHATRCHYAN 2014AA.
24  AAD 2012AI obtain results based on $4.7 - 4.8$ fb${}^{-1}$ of ${{\mathit p}}{{\mathit p}}$ collisions at $\mathit E_{{\mathrm {cm}}}$ = 7 TeV and 5.8 fb${}^{-1}$ at $\mathit E_{{\mathrm {cm}}}$ = 8 TeV. The quoted signal strengths are given for ${\mathit m}_{{{\mathit H}}}$ = 126 GeV. See also AAD 2012DA.
25  CHATRCHYAN 2012N obtain results based on $4.9 - 5.1$ fb${}^{-1}$ of ${{\mathit p}}{{\mathit p}}$ collisions at $\mathit E_{{\mathrm {cm}}}$ = 7 TeV and $5.1 - 5.3$ fb${}^{-1}$ at $\mathit E_{{\mathrm {cm}}}$ = 8 TeV. An excess of events over background with a local significance of 5.0 $\sigma $ is observed at about ${\mathit m}_{{{\mathit H}}}$ = 125 GeV. The quoted signal strengths are given for ${\mathit m}_{{{\mathit H}}}$ = 125.5 GeV. See also CHATRCHYAN 2012BY and CHATRCHYAN 2013Y.
References