#### ${{\mathit H}^{0}}$ MASS

VALUE (GeV) DOCUMENT ID TECN  COMMENT
 $\bf{ 125.25 \pm0.17}$ OUR AVERAGE  Error includes scale factor of 1.5. See the ideogram below.
$125.46$ $\pm0.16$ 1
 2020 L
CMS ${{\mathit p}}{{\mathit p}}$ , 13 TeV, ${{\mathit \gamma}}{{\mathit \gamma}}$ , ${{\mathit Z}}$ ${{\mathit Z}^{*}}$ $\rightarrow$ 4 ${{\mathit \ell}}$
$124.86$ $\pm0.27$ 2
 2018 BM
ATLS ${{\mathit p}}{{\mathit p}}$ , 13 TeV, ${{\mathit \gamma}}{{\mathit \gamma}}$ , ${{\mathit Z}}$ ${{\mathit Z}^{*}}$ $\rightarrow$ 4 ${{\mathit \ell}}$
$125.09$ $\pm0.21$ $\pm0.11$ 2, 3
 2015 B
LHC ${{\mathit p}}{{\mathit p}}$ , 7, 8 TeV
• • We do not use the following data for averages, fits, limits, etc. • •
$125.78$ $\pm0.26$ 4
 2020 L
CMS ${{\mathit p}}{{\mathit p}}$ , 13 TeV, ${{\mathit \gamma}}{{\mathit \gamma}}$
$125.38$ $\pm0.14$ 5
 2020 L
CMS ${{\mathit p}}{{\mathit p}}$ , 7, 8, 13 TeV, ${{\mathit \gamma}}{{\mathit \gamma}}$ , ${{\mathit Z}}$ ${{\mathit Z}^{*}}$ $\rightarrow$ 4 ${{\mathit \ell}}$
$124.79$ $\pm0.37$ 6
 2018 BM
ATLS ${{\mathit p}}{{\mathit p}}$ , 13 TeV, ${{\mathit Z}}$ ${{\mathit Z}^{*}}$ $\rightarrow$ 4 ${{\mathit \ell}}$
$124.93$ $\pm0.40$ 7
 2018 BM
ATLS ${{\mathit p}}{{\mathit p}}$ , 13 TeV, ${{\mathit \gamma}}{{\mathit \gamma}}$
$124.97$ $\pm0.24$ 2, 8
 2018 BM
ATLS ${{\mathit p}}{{\mathit p}}$ , 7, 8, 13 TeV, ${{\mathit \gamma}}{{\mathit \gamma}}$ , ${{\mathit Z}}$ ${{\mathit Z}^{*}}$ $\rightarrow$ 4 ${{\mathit \ell}}$
$125.26$ $\pm0.20$ $\pm0.08$ 9
 2017 AV
CMS ${{\mathit p}}{{\mathit p}}$ , 13 TeV, ${{\mathit Z}}$ ${{\mathit Z}^{*}}$ $\rightarrow$ 4 ${{\mathit \ell}}$
$125.07$ $\pm0.25$ $\pm0.14$ 3
 2015 B
LHC ${{\mathit p}}{{\mathit p}}$ , 7, 8 TeV, ${{\mathit \gamma}}{{\mathit \gamma}}$
$125.15$ $\pm0.37$ $\pm0.15$ 3
 2015 B
LHC ${{\mathit p}}{{\mathit p}}$ , 7, 8 TeV, ${{\mathit Z}}$ ${{\mathit Z}^{*}}$ $\rightarrow$ 4 ${{\mathit \ell}}$
$126.02$ $\pm0.43$ $\pm0.27$
 2015 B
ATLS ${{\mathit p}}{{\mathit p}}$ , 7, 8 TeV, ${{\mathit \gamma}}{{\mathit \gamma}}$
$124.51$ $\pm0.52$ $\pm0.04$
 2015 B
ATLS ${{\mathit p}}{{\mathit p}}$ , 7, 8 TeV, ${{\mathit Z}}$ ${{\mathit Z}^{*}}$ $\rightarrow$ 4 ${{\mathit \ell}}$
$125.59$ $\pm0.42$ $\pm0.17$
 2015 B
CMS ${{\mathit p}}{{\mathit p}}$ , 7, 8 TeV, ${{\mathit Z}}$ ${{\mathit Z}^{*}}$ $\rightarrow$ 4 ${{\mathit \ell}}$
$125.02$ ${}^{+0.26}_{-0.27}$ ${}^{+0.14}_{-0.15}$ 10
 2015 AM
CMS ${{\mathit p}}{{\mathit p}}$ , 7, 8 TeV
$125.36$ $\pm0.37$ $\pm0.18$ 11, 2
 2014 W
ATLS ${{\mathit p}}{{\mathit p}}$ , 7, 8 TeV
$125.98$ $\pm0.42$ $\pm0.28$ 11
 2014 W
ATLS ${{\mathit p}}{{\mathit p}}$ , 7, 8 TeV, ${{\mathit \gamma}}{{\mathit \gamma}}$
$124.51$ $\pm0.52$ $\pm0.06$ 11
 2014 W
ATLS ${{\mathit p}}{{\mathit p}}$ , 7, 8 TeV, ${{\mathit Z}}$ ${{\mathit Z}^{*}}$ $\rightarrow$ 4 ${{\mathit \ell}}$
$125.6$ $\pm0.4$ $\pm0.2$ 12
 2014 AA
CMS ${{\mathit p}}{{\mathit p}}$ , 7, 8 TeV, ${{\mathit Z}}$ ${{\mathit Z}^{*}}$ $\rightarrow$ 4 ${{\mathit \ell}}$
$122$ $\pm7$ 13
 2014 K
CMS ${{\mathit p}}{{\mathit p}}$ , 7, 8 TeV, ${{\mathit \tau}}{{\mathit \tau}}$
$124.70$ $\pm0.31$ $\pm0.15$ 14
 2014 P
CMS ${{\mathit p}}{{\mathit p}}$ , 7, 8 TeV, ${{\mathit \gamma}}{{\mathit \gamma}}$
$125.5$ $\pm0.2$ ${}^{+0.5}_{-0.6}$ 2, 15
 2013 AK
ATLS ${{\mathit p}}{{\mathit p}}$ , 7, 8 TeV
$126.8$ $\pm0.2$ $\pm0.7$ 15
 2013 AK
ATLS ${{\mathit p}}{{\mathit p}}$ , 7, 8 TeV, ${{\mathit \gamma}}{{\mathit \gamma}}$
$124.3$ ${}^{+0.6}_{-0.5}$ ${}^{+0.5}_{-0.3}$ 15
 2013 AK
ATLS ${{\mathit p}}{{\mathit p}}$ , 7, 8 TeV, ${{\mathit Z}}$ ${{\mathit Z}^{*}}$ $\rightarrow$ 4 ${{\mathit \ell}}$
$125.8$ $\pm0.4$ $\pm0.4$ 2, 16
 2013 J
CMS ${{\mathit p}}{{\mathit p}}$ , 7, 8 TeV
$126.2$ $\pm0.6$ $\pm0.2$ 16
 2013 J
CMS ${{\mathit p}}{{\mathit p}}$ , 7, 8 TeV, ${{\mathit Z}}$ ${{\mathit Z}^{*}}$ $\rightarrow$ 4 ${{\mathit \ell}}$
$126.0$ $\pm0.4$ $\pm0.4$ 2, 17
 2012 AI
ATLS ${{\mathit p}}{{\mathit p}}$ , 7, 8 TeV
$125.3$ $\pm0.4$ $\pm0.5$ 2, 18
 2012 N
CMS ${{\mathit p}}{{\mathit p}}$ , 7, 8 TeV
 1 SIRUNYAN 2020L result of ${{\mathit H}^{0}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit \gamma}}$ is combined with that of ${{\mathit H}^{0}}$ $\rightarrow$ ${{\mathit Z}}{{\mathit Z}^{*}}$ $\rightarrow$ 4 ${{\mathit \ell}}$ where ${{\mathit \ell}}$ = ${{\mathit e}}$ , ${{\mathit \mu}}$ (SIRUNYAN 2017AV).
 2 Combined value from ${{\mathit \gamma}}{{\mathit \gamma}}$ and ${{\mathit Z}}$ ${{\mathit Z}^{*}}$ $\rightarrow$ 4 ${{\mathit \ell}}$ final states.
 3 ATLAS and CMS data are fitted simultaneously.
 4 SIRUNYAN 2020L use 35.9 fb${}^{-1}$ of ${{\mathit p}}{{\mathit p}}$ collisions at $\mathit E_{{\mathrm {cm}}}$ = 13 TeV with ${{\mathit H}^{0}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit \gamma}}$ .
 5 SIRUNYAN 2020L combine 13 TeV results with 7 and 8 TeV results (KHACHATRYAN 2015AM).
 6 AABOUD 2018BM use 36.1 fb${}^{-1}$ of ${{\mathit p}}{{\mathit p}}$ collisions at $\mathit E_{{\mathrm {cm}}}$ = 13 TeV with ${{\mathit H}^{0}}$ $\rightarrow$ ${{\mathit Z}}{{\mathit Z}^{*}}$ $\rightarrow$ 4 ${{\mathit \ell}}$ where ${{\mathit \ell}}$ = ${{\mathit e}}$ , ${{\mathit \mu}}$ .
 7 AABOUD 2018BM use 36.1 fb${}^{-1}$ of ${{\mathit p}}{{\mathit p}}$ collisions at $\mathit E_{{\mathrm {cm}}}$ = 13 TeV with ${{\mathit H}^{0}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit \gamma}}$ .
 8 AABOUD 2018BM combine 13 TeV results with 7 and 8 TeV results. Other combined results are summarized in their Fig. 4.
 9 SIRUNYAN 2017AV use 35.9 fb${}^{-1}$ of ${{\mathit p}}{{\mathit p}}$ collisions at $\mathit E_{{\mathrm {cm}}}$ = 13 TeV with ${{\mathit H}^{0}}$ $\rightarrow$ ${{\mathit Z}}{{\mathit Z}^{*}}$ $\rightarrow$ 4 ${{\mathit \ell}}$ where ${{\mathit \ell}}$ = ${{\mathit e}}$ , ${{\mathit \mu}}$ .
 10 KHACHATRYAN 2015AM use 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.
 11 AAD 2014W use 4.5 fb${}^{-1}$ of ${{\mathit p}}{{\mathit p}}$ collisions at $\mathit E_{{\mathrm {cm}}}$ = 7 TeV and 20.3 fb${}^{-1}$ at 8 TeV.
 12 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.
 13 CHATRCHYAN 2014K use 4.9 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.
 14 KHACHATRYAN 2014P 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.
 15 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. Superseded by AAD 2014W.
 16 CHATRCHYAN 2013J use 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.
 17 AAD 2012AI obtain results based on $4.6 - 4.8$ fb${}^{-1}$ of ${{\mathit p}}{{\mathit p}}$ collisions at $\mathit E_{{\mathrm {cm}}}$ = 7 TeV and $5.8 - 5.9$ fb${}^{-1}$ at $\mathit E_{{\mathrm {cm}}}$ = 8 TeV. An excess of events over background with a local significance of 5.9 $\sigma$ is observed at ${\mathit m}_{{{\mathit H}^{0}}}$ = 126 GeV. See also AAD 2012DA.
 18 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 ${\mathit m}_{{{\mathit H}^{0}}}$ = 125 GeV. See also CHATRCHYAN 2012BY and CHATRCHYAN 2013Y.

${{\mathit H}^{0}}$ MASS (GeV)
References:
 SIRUNYAN 2020L
PL B805 135425 A measurement of the Higgs boson mass in the diphoton decay channel
 AABOUD 2018BM
PL B784 345 Measurement of the Higgs boson mass in the $H\rightarrow ZZ^* \rightarrow 4\ell$ and $H \rightarrow \gamma\gamma$ channels with $\sqrt{s}=13$ TeV $pp$ collisions using the ATLAS detector
 SIRUNYAN 2017AV
JHEP 1711 047 Measurements of Properties of the Higgs Boson Decaying into the Four-Lepton Final State in ${{\mathit p}}{{\mathit p}}$ Collisions at $\sqrt {s }$ = 13 TeV
PRL 114 191803 Combined Measurement of the Higgs Boson Mass in ${{\mathit p}}{{\mathit p}}$ Collisions at $\sqrt {s }$ = 7 and 8 TeV with the ATLAS and CMS Experiments
 KHACHATRYAN 2015AM
EPJ C75 212 Precise Determination of the Mass of the Higgs Boson and Tests of Compatibility of its Couplings with the Standard Model Predictions using Proton Collisions at 7 and 8 TeV
PR D90 052004 Measurement of the Higgs Boson Mass from the ${{\mathit H}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit \gamma}}$ and ${{\mathit H}}$ $\rightarrow$ ${{\mathit Z}}{{\mathit Z}^{*}}$ $\rightarrow$ 4 ${{\mathit \ell}}$ Channels with the ATLAS Detector using 25 ${\mathrm {fb}}{}^{-1}$ of ${{\mathit p}}{{\mathit p}}$ Collision Data
 CHATRCHYAN 2014K
JHEP 1405 104 Evidence for the 125 GeV Higgs Boson Decaying to a Pair of ${{\mathit \tau}}$ Leptons
 CHATRCHYAN 2014AA
PR D89 092007 Measurement of the Properties of a Higgs Boson in the Four-Lepton Final State
 KHACHATRYAN 2014P
EPJ C74 3076 Observation of the Diphoton Decay of the Higgs Boson and Measurement of its Properties
PRL 110 081803 On the Mass and Spin-Parity of the Higgs Boson Candidate via its Decays to ${{\mathit Z}}$ Boson Pairs