Observation of Higgs Boson Decay to Bottom Quarks [electronic resource]

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Bibliographic Details
Online Access: Full Text (via OSTI)
Corporate Authors: Fermi National Accelerator Laboratory (Researcher), Lawrence Livermore National Laboratory (Researcher)
Format: Government Document Electronic eBook
Language:English
Published: Washington, D.C. : Oak Ridge, Tenn. : United States. Department of Energy. Office of High Energy Physics ; Distributed by the Office of Scientific and Technical Information, U.S. Department of Energy, 2018.
Subjects:

MARC

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245 0 0 |a Observation of Higgs Boson Decay to Bottom Quarks  |h [electronic resource] 
260 |a Washington, D.C. :  |b United States. Department of Energy. Office of High Energy Physics ;  |a Oak Ridge, Tenn. :  |b Distributed by the Office of Scientific and Technical Information, U.S. Department of Energy,  |c 2018. 
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500 |a Published through Scitech Connect. 
500 |a 09/17/2018. 
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500 |a "arXiv:1808.08242." 
500 |a "CMS-HIG-18-016." 
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500 |a "LLNL-JRNL-819448." 
500 |a "Journal ID: ISSN 0031-9007." 
500 |a "PRLTAO." 
500 |a "Other: 1691854." 
500 |a Sirunyan, A. M.; Tumasyan, A.; Adam, W.; Ambrogi, F.; Asilar, E.; Bergauer, T.; Brandstetter, J.; Dragicevic, M.; Er,̲ J.; Escalante Del Valle, A.; et al. 
500 |a Rice Univ., Houston, TX (United States) 
500 |a Princeton Univ., NJ (United States) 
520 3 |a Here, 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<sup>-1</sup> 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<sub>H</sub>=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 ł 0.22. The combination of this result with searches by the CMS experiment for H?$b\bar{b}$ in other production processes yields an observed (expected) significance of 5.6 (5.5) standard deviations and a signal strength of 1.04ł0.20. 
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650 7 |a 72 physics of elementary particles and fields  |2 local. 
650 7 |a Particle decays  |2 local. 
650 7 |a Bottom quark  |2 local. 
650 7 |a Higgs boson  |2 local. 
650 7 |a Hadron colliders  |2 local. 
650 7 |a Physics of elementary particles and fields  |2 local. 
710 2 |a Fermi National Accelerator Laboratory.  |4 res. 
710 2 |a Lawrence Livermore National Laboratory.  |4 res. 
710 1 |a United States.  |b Department of Energy.  |b Office of High Energy Physics.  |4 spn. 
710 1 |a United States.  |b National Nuclear Security Administration.  |4 spn. 
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