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Observation of Higgs Boson Decay to Bottom Quarks.

Journal articles  - Journal Article
Sirunyan, AM; Tumasyan, A; Adam, W; Ambrogi, F; Asilar, E; Bergauer, T; Brandstetter, J; Dragicevic, M; Erö, J; Escalante Del Valle, A; Liko, D ...
Published in: Physical review letters
September 2018

The observation of the standard model (SM) Higgs boson decay to a pair of bottom quarks is presented. The main contribution to this result is from processes in which Higgs bosons are produced in association with a W or Z boson (VH), and are searched for in final states including 0, 1, or 2 charged leptons and two identified bottom quark jets. The results from the measurement of these processes in a data sample recorded by the CMS experiment in 2017, comprising 41.3  fb^{-1} of proton-proton collisions at sqrt[s]=13  TeV, are described. When combined with previous VH measurements using data collected at sqrt[s]=7, 8, and 13 TeV, an excess of events is observed at m_{H}=125  GeV with a significance of 4.8 standard deviations, where the expectation for the SM Higgs boson is 4.9. The corresponding measured signal strength is 1.01±0.22. The combination of this result with searches by the CMS experiment for H→bb[over ¯] in other production processes yields an observed (expected) significance of 5.6 (5.5) standard deviations and a signal strength of 1.04±0.20.

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Published In

Physical review letters

DOI

EISSN

1079-7114

ISSN

0031-9007

Publication Date

September 2018

Volume

121

Issue

12

Start / End Page

121801

Related Subject Headings

  • General Physics
  • 51 Physical sciences
  • 49 Mathematical sciences
  • 40 Engineering
 

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Sirunyan, A. M., Tumasyan, A., Adam, W., Ambrogi, F., Asilar, E., Bergauer, T., … Colombo, F. (2018). Observation of Higgs Boson Decay to Bottom Quarks. Physical Review Letters, 121(12), 121801. https://doi.org/10.1103/physrevlett.121.121801
Sirunyan, A. M., A. Tumasyan, W. Adam, F. Ambrogi, E. Asilar, T. Bergauer, J. Brandstetter, et al. “Observation of Higgs Boson Decay to Bottom Quarks.Physical Review Letters 121, no. 12 (September 2018): 121801. https://doi.org/10.1103/physrevlett.121.121801.
Sirunyan AM, Tumasyan A, Adam W, Ambrogi F, Asilar E, Bergauer T, et al. Observation of Higgs Boson Decay to Bottom Quarks. Physical review letters. 2018 Sep;121(12):121801.
Sirunyan, A. M., et al. “Observation of Higgs Boson Decay to Bottom Quarks.Physical Review Letters, vol. 121, no. 12, Sept. 2018, p. 121801. Epmc, doi:10.1103/physrevlett.121.121801.
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Kleinwort C, Knolle J, Krücker D, Lange W, Lelek A, Lenz T, Leonard J, Lipka K, Lohmann W, Mankel R, Melzer-Pellmann I-A, Meyer AB, Meyer M, Missiroli M, Mnich J, Myronenko V, Pflitsch SK, Pitzl D, Raspereza A, Saxena P, Schütze P, Schwanenberger C, Shevchenko R, Singh A, Tholen H, Turkot O, Vagnerini A, Van Onsem GP, Walsh R, Wen Y, Wichmann K, Wissing C, Zenaiev O, Aggleton R, Bein S, Benato L, Benecke A, Blobel V, Dreyer T, Ebrahimi A, Garutti E, Gonzalez D, Gunnellini P, Haller J, Hinzmann A, Karavdina A, Kasieczka G, Klanner R, Kogler R, Kovalchuk N, Kurz S, Kutzner V, Lange J, Marconi D, Multhaup J, Niedziela M, Niemeyer CEN, Nowatschin D, Perieanu A, Reimers A, Rieger O, Scharf C, Schleper P, Schumann S, Schwandt J, Sonneveld J, Stadie H, Steinbrück G, Stober FM, Stöver M, Vormwald B, Zoi I, Akbiyik M, Barth C, Baselga M, Baur S, Butz E, Caspart R, Chwalek T, Colombo F. Observation of Higgs Boson Decay to Bottom Quarks. Physical review letters. 2018 Sep;121(12):121801.

Published In

Physical review letters

DOI

EISSN

1079-7114

ISSN

0031-9007

Publication Date

September 2018

Volume

121

Issue

12

Start / End Page

121801

Related Subject Headings

  • General Physics
  • 51 Physical sciences
  • 49 Mathematical sciences
  • 40 Engineering