Observation of H ->bb decays and VH production with the ATLAS detector

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A search for the decay of the Standard Model Higgs boson into a bb pair when produced in association with a W or Z boson is performed with the ATLAS detector. The analyzed data, corresponding to an integrated luminosity of 79.8 fb-1, were collected in proton–proton collisions in Run 2 of the Large H...

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Autor principal: Ma, Yanhui
Lenguaje:eng
Publicado: 2019
Materias:
Particle Physics - Experiment
Acceso en línea:http://cds.cern.ch/record/2654382
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author Ma, Yanhui
author_facet Ma, Yanhui
author_sort Ma, Yanhui
collection CERN
description A search for the decay of the Standard Model Higgs boson into a bb pair when produced in association with a W or Z boson is performed with the ATLAS detector. The analyzed data, corresponding to an integrated luminosity of 79.8 fb-1, were collected in proton–proton collisions in Run 2 of the Large Hadron Collider at a centre-of-mass energy of 13 TeV. For a Higgs boson mass of 125 GeV, a clear excess of events over the expected background from other Standard Model processes is found . A combination is performed with the results from other searches in Run 1 and in Run 2 for the Higgs boson in the bb decay mode, providing direct observation of the Higgs boson decay into b-quarks. Additionally, a combination of Run 2 results searching for the Higgs boson produced in association with a vector boson provides a direct observation of the Higgs boson being produced in association with a vector boson.
id cern-2654382
institution Organización Europea para la Investigación Nuclear
language eng
publishDate 2019
record_format invenio
spelling cern-26543822019-09-30T06:29:59Zhttp://cds.cern.ch/record/2654382engMa, YanhuiObservation of H ->bb decays and VH production with the ATLAS detectorParticle Physics - ExperimentA search for the decay of the Standard Model Higgs boson into a bb pair when produced in association with a W or Z boson is performed with the ATLAS detector. The analyzed data, corresponding to an integrated luminosity of 79.8 fb-1, were collected in proton–proton collisions in Run 2 of the Large Hadron Collider at a centre-of-mass energy of 13 TeV. For a Higgs boson mass of 125 GeV, a clear excess of events over the expected background from other Standard Model processes is found . A combination is performed with the results from other searches in Run 1 and in Run 2 for the Higgs boson in the bb decay mode, providing direct observation of the Higgs boson decay into b-quarks. Additionally, a combination of Run 2 results searching for the Higgs boson produced in association with a vector boson provides a direct observation of the Higgs boson being produced in association with a vector boson.ATL-PHYS-SLIDE-2019-025oai:cds.cern.ch:26543822019-01-21
spellingShingle Particle Physics - Experiment
Ma, Yanhui
Observation of H ->bb decays and VH production with the ATLAS detector
title Observation of H ->bb decays and VH production with the ATLAS detector
title_full Observation of H ->bb decays and VH production with the ATLAS detector
title_fullStr Observation of H ->bb decays and VH production with the ATLAS detector
title_full_unstemmed Observation of H ->bb decays and VH production with the ATLAS detector
title_short Observation of H ->bb decays and VH production with the ATLAS detector
title_sort observation of h ->bb decays and vh production with the atlas detector
topic Particle Physics - Experiment
url http://cds.cern.ch/record/2654382
work_keys_str_mv AT mayanhui observationofhbbdecaysandvhproductionwiththeatlasdetector

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