Journal article
Evidence for the Higgs boson decay to a bottom quark-antiquark pair
Physics Letters. Section B: Nuclear, Elementary Particle and High-Energy Physics, Vol.780, pp.501-532
2018
DOI: 10.1016/j.physletb.2018.02.050
Abstract
A search for the standard model (SM) Higgs boson (H) decaying to bb‾ when produced in association with an electroweak vector boson is reported for the following processes: Z(νν)H, W(μν)H, W(eν)H, Z(μμ)H, and Z(ee)H. The search is performed in data samples corresponding to an integrated luminosity of 35.9fb−1 at s=13TeV recorded by the CMS experiment at the LHC during Run 2 in 2016. An excess of events is observed in data compared to the expectation in the absence of a H→bb‾ signal. The significance of this excess is 3.3 standard deviations, where the expectation from SM Higgs boson production is 2.8. The signal strength corresponding to this excess, relative to that of the SM Higgs boson production, is 1.2±0.4. When combined with the Run 1 measurement of the same processes, the signal significance is 3.8 standard deviations with 3.8 expected. The corresponding signal strength, relative to that of the SM Higgs boson, is 1.06−0.29+0.31.
Details
- Title: Subtitle
- Evidence for the Higgs boson decay to a bottom quark-antiquark pair
- Creators
- CMS CollaborationHamed BakhshiansohiOlivier BonduSébastien BrochetGiacomo BrunoClaudio CaputoPieter DavidChristophe DelaereMartin DelcourtBrieuc FrançoisAndrea GiammancoGeorgios KrintirasVincent LemaitreAlessio MagitteriMarco MusichKrzysztof PiotrzkowskiAlessia SaggioMiguel Vidal MaroñoSébastien WertzJoze ZobecYasar Onel (Contributor) - Physics and Astronomy
- Resource Type
- Journal article
- Publication Details
- Physics Letters. Section B: Nuclear, Elementary Particle and High-Energy Physics, Vol.780, pp.501-532
- DOI
- 10.1016/j.physletb.2018.02.050
- ISSN
- 0370-2693
- eISSN
- 1873-2445
- Publisher
- Elsevier BV North-Holland
- Grant note
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- Language
- English
- Date published
- 2018
- Academic Unit
- Physics and Astronomy
- Record Identifier
- 9984429027202771
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