# 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

The CMS collaboration

Research output: Contribution to journalArticle

444 Citations (Scopus)

### Abstract

Properties of the Higgs boson with mass near 125$$\,\text {GeV}$$GeV are measured in proton-proton collisions with the CMS experiment at the LHC. Comprehensive sets of production and decay measurements are combined. The decay channels include γγ, ZZ, WW, ττ, bb, and μμ pairs. The data samples were collected in 2011 and 2012 and correspond to integrated luminosities of up to 5.1fb-1at 7TeV and up to 19.7fb-1at 8 TeV. From the high-resolution γγ and ZZ channels, the mass of the Higgs boson is determined to be (Formula presented). For this mass value, the event yields obtained in the different analyses tagging specific decay channels and production mechanisms are consistent with those expected for the standard model Higgs boson. The combined best-fit signal relative to the standard model expectation is (Formula presented) at the measured mass. The couplings of the Higgs boson are probed for deviations in magnitude from the standard model predictions in multiple ways, including searches for invisible and undetected decays. No significant deviations are found.

Original language English 212 European Physical Journal C 75 5 https://doi.org/10.1140/epjc/s10052-015-3351-7 Published - 28 May 2015 Yes

Bosons
Higgs bosons
compatibility
Protons
collisions
protons
decay
predictions
deviation
marking
Luminance
luminosity
high resolution
Experiments

### ASJC Scopus subject areas

• Engineering (miscellaneous)
• Physics and Astronomy (miscellaneous)

### Cite this

In: European Physical Journal C, Vol. 75, No. 5, 212, 28.05.2015.

Research output: Contribution to journalArticle

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title = "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",
abstract = "Properties of the Higgs boson with mass near 125$$\,\text {GeV}$$GeV are measured in proton-proton collisions with the CMS experiment at the LHC. Comprehensive sets of production and decay measurements are combined. The decay channels include γγ, ZZ, WW, ττ, bb, and μμ pairs. The data samples were collected in 2011 and 2012 and correspond to integrated luminosities of up to 5.1fb-1at 7TeV and up to 19.7fb-1at 8 TeV. From the high-resolution γγ and ZZ channels, the mass of the Higgs boson is determined to be (Formula presented). For this mass value, the event yields obtained in the different analyses tagging specific decay channels and production mechanisms are consistent with those expected for the standard model Higgs boson. The combined best-fit signal relative to the standard model expectation is (Formula presented) at the measured mass. The couplings of the Higgs boson are probed for deviations in magnitude from the standard model predictions in multiple ways, including searches for invisible and undetected decays. No significant deviations are found.",
author = "{The CMS collaboration} and V. Khachatryan and Sirunyan, {A. M.} and A. Tumasyan and W. Adam and T. Bergauer and M. Dragicevic and J. Er{\"o} and M. Friedl and R. Fr{\"u}hwirth and Ghete, {V. M.} and C. Hartl and N. H{\"o}rmann and J. Hrubec and M. Jeitler and W. Kiesenhofer and V. Kn{\"u}nz and M. Krammer and I. Kr{\"a}tschmer and D. Liko and I. Mikulec and D. Rabady and B. Rahbaran and H. Rohringer and R. Sch{\"o}fbeck and J. Strauss and W. Treberer-Treberspurg and W. Waltenberger and Wulz, {C. E.} and V. Mossolov and N. Shumeiko and {Suarez Gonzalez}, J. and S. Alderweireldt and S. Bansal and T. Cornelis and {De Wolf}, {E. A.} and X. Janssen and A. Knutsson and J. Lauwers and S. Luyckx and S. Ochesanu and R. Rougny and {Van De Klundert}, M. and {Van Haevermaet}, H. and {Van Mechelen}, P. and {Van Remortel}, N. and {Van Spilbeeck}, A. and F. Blekman and S. Blyweert and J. D’Hondt and Othmane Bouhali",
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AU - Tumasyan, A.

AU - Bergauer, T.

AU - Dragicevic, M.

AU - Erö, J.

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AU - Strauss, J.

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AU - Waltenberger, W.

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AU - Van Mechelen, P.

AU - Van Remortel, N.

AU - Van Spilbeeck, A.

AU - Blekman, F.

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N2 - Properties of the Higgs boson with mass near 125$$\,\text {GeV}$$GeV are measured in proton-proton collisions with the CMS experiment at the LHC. Comprehensive sets of production and decay measurements are combined. The decay channels include γγ, ZZ, WW, ττ, bb, and μμ pairs. The data samples were collected in 2011 and 2012 and correspond to integrated luminosities of up to 5.1fb-1at 7TeV and up to 19.7fb-1at 8 TeV. From the high-resolution γγ and ZZ channels, the mass of the Higgs boson is determined to be (Formula presented). For this mass value, the event yields obtained in the different analyses tagging specific decay channels and production mechanisms are consistent with those expected for the standard model Higgs boson. The combined best-fit signal relative to the standard model expectation is (Formula presented) at the measured mass. The couplings of the Higgs boson are probed for deviations in magnitude from the standard model predictions in multiple ways, including searches for invisible and undetected decays. No significant deviations are found.

AB - Properties of the Higgs boson with mass near 125$$\,\text {GeV}$$GeV are measured in proton-proton collisions with the CMS experiment at the LHC. Comprehensive sets of production and decay measurements are combined. The decay channels include γγ, ZZ, WW, ττ, bb, and μμ pairs. The data samples were collected in 2011 and 2012 and correspond to integrated luminosities of up to 5.1fb-1at 7TeV and up to 19.7fb-1at 8 TeV. From the high-resolution γγ and ZZ channels, the mass of the Higgs boson is determined to be (Formula presented). For this mass value, the event yields obtained in the different analyses tagging specific decay channels and production mechanisms are consistent with those expected for the standard model Higgs boson. The combined best-fit signal relative to the standard model expectation is (Formula presented) at the measured mass. The couplings of the Higgs boson are probed for deviations in magnitude from the standard model predictions in multiple ways, including searches for invisible and undetected decays. No significant deviations are found.

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