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Measurements of Higgs boson properties in hadronic final states at CMS

The most recent CMS Higgs boson (H) physics results, with the Higgs decaying to a bottom quark-antiquark pair ($\mathrm{b\bar{b}}$), are presented. The focus is on the analysis of data collected at $\sqrt{s} = 13\,\mathrm{TeV}$ in 2017, corresponding approximately to $41\,\mathrm{fb}^{-1}$.\\ The an...

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Autor principal: Giannini, Leonardo
Lenguaje:eng
Publicado: SISSA 2019
Materias:
Acceso en línea:https://dx.doi.org/10.22323/1.364.0342
http://cds.cern.ch/record/2797763
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author Giannini, Leonardo
author_facet Giannini, Leonardo
author_sort Giannini, Leonardo
collection CERN
description The most recent CMS Higgs boson (H) physics results, with the Higgs decaying to a bottom quark-antiquark pair ($\mathrm{b\bar{b}}$), are presented. The focus is on the analysis of data collected at $\sqrt{s} = 13\,\mathrm{TeV}$ in 2017, corresponding approximately to $41\,\mathrm{fb}^{-1}$.\\ The analysis targeting the associated production of a Higgs boson and a vector boson (VH), with $\mathrm{H}\to\mathrm{b\bar{b}}$, yields an observed significance of $3.3$ standard deviations ($\sigma$) above the backgroundonly hypothesis, with an expected significance of $3.1\sigma$. The corresponding measured signal strength is $\mu = 1.08 \pm 0.34$. When combined with previous $\mathrm{VH(b\bar{b}})$ measurements using data collected $\sqrt{s} = 7$, 8 and 13 TeV, the observed (expected) significance is $4.8$ ($4.9$) $\sigma$, corresponding to $\mu = 1.01 \pm 0.22$. Finally, the combination of this result with searches for $\mathrm{H}\to\mathrm{b\bar{b}}$ in other production modes by the CMS experiment, including $\mathrm{t\bar{t}H}(\mathrm{b\bar{b}})$ with 2016 data, results in a significance of $5.6$ ($5.5$) $\sigma$, and $\mu = 1.04 \pm 0.20$.\\ The analysis targeting the $\mathrm{t\bar{t}H}(\mathrm{b\bar{b}})$ process using 2017 data is also covered. The significance for this production mode is of $3.7$ ($2.6$) $\sigma$, corresponding to $\mu = 1.49 \pm 0.42$. In combination with the previous result using 2016 data, a significance of $3.9$ ($3.5$) $\sigma$ is obtained, with $\mu = 1.15 \pm 0.30$.
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spelling cern-27977632022-10-12T14:13:15Zdoi:10.22323/1.364.0342http://cds.cern.ch/record/2797763engGiannini, LeonardoMeasurements of Higgs boson properties in hadronic final states at CMSDetectors and Experimental TechniquesParticle Physics - ExperimentThe most recent CMS Higgs boson (H) physics results, with the Higgs decaying to a bottom quark-antiquark pair ($\mathrm{b\bar{b}}$), are presented. The focus is on the analysis of data collected at $\sqrt{s} = 13\,\mathrm{TeV}$ in 2017, corresponding approximately to $41\,\mathrm{fb}^{-1}$.\\ The analysis targeting the associated production of a Higgs boson and a vector boson (VH), with $\mathrm{H}\to\mathrm{b\bar{b}}$, yields an observed significance of $3.3$ standard deviations ($\sigma$) above the backgroundonly hypothesis, with an expected significance of $3.1\sigma$. The corresponding measured signal strength is $\mu = 1.08 \pm 0.34$. When combined with previous $\mathrm{VH(b\bar{b}})$ measurements using data collected $\sqrt{s} = 7$, 8 and 13 TeV, the observed (expected) significance is $4.8$ ($4.9$) $\sigma$, corresponding to $\mu = 1.01 \pm 0.22$. Finally, the combination of this result with searches for $\mathrm{H}\to\mathrm{b\bar{b}}$ in other production modes by the CMS experiment, including $\mathrm{t\bar{t}H}(\mathrm{b\bar{b}})$ with 2016 data, results in a significance of $5.6$ ($5.5$) $\sigma$, and $\mu = 1.04 \pm 0.20$.\\ The analysis targeting the $\mathrm{t\bar{t}H}(\mathrm{b\bar{b}})$ process using 2017 data is also covered. The significance for this production mode is of $3.7$ ($2.6$) $\sigma$, corresponding to $\mu = 1.49 \pm 0.42$. In combination with the previous result using 2016 data, a significance of $3.9$ ($3.5$) $\sigma$ is obtained, with $\mu = 1.15 \pm 0.30$.The most recent CMS Higgs boson (H) physics results, with the Higgs decaying to a bottom quark-antiquark pair ($\mathrm{b\overline{b}}$), are presented. The focus is on the analysis of data collected at $\sqrt{s}=13$ $\mathrm{TeV}$ in 2017, corresponding approximately to 41 $\mathrm{fb}^{-1}$. The analysis targeting the associated production of a Higgs boson and a vector boson ($\mathrm{VH}$), with $\mathrm{H\rightarrow b\overline{b}}$, yields an observed significance of 3.3 standard deviations ($\sigma$) above the background-only hypothesis, with an expected significance of 3.1$\sigma$. The corresponding measured signal strength is $\mu$ = 1.08 $\pm$ 0.34. When combined with previous $\mathrm{VH(b\overline{b})}$ measurements using data collected at $\sqrt{s}=$ 7, 8 and 13 $\mathrm{TeV}$, the observed (expected) significance is 4.8 (4.9) $\sigma$, corresponding to $\mu$ = 1.01 $\pm$ 0.22. Finally, the combination of this result with searches for $\mathrm{H\rightarrow b\overline{b}}$ in other production modes by the CMS experiment, including $\mathrm{t\overline{t}H(b\overline{b})}$ with 2016 data, results in a significance of 5.6 (5.5) $\sigma$, and $\mu=$ 1.04 $\pm$ 0.20.The analysis targeting the $\mathrm{t\overline{t}H(b\overline{b})}$ process using 2017 data is also covered. The significance for this production mode is of 3.7 (2.6) $\sigma$ , corresponding to $\mu$ = 1.49$\pm$0.42. In combination with the previous result using 2016 data, a significance of 3.9 (3.5) $\sigma$ is obtained, with $\mu$ = 1.15$\pm$0.30.SISSACMS-CR-2019-153oai:cds.cern.ch:27977632019-09-24
spellingShingle Detectors and Experimental Techniques
Particle Physics - Experiment
Giannini, Leonardo
Measurements of Higgs boson properties in hadronic final states at CMS
title Measurements of Higgs boson properties in hadronic final states at CMS
title_full Measurements of Higgs boson properties in hadronic final states at CMS
title_fullStr Measurements of Higgs boson properties in hadronic final states at CMS
title_full_unstemmed Measurements of Higgs boson properties in hadronic final states at CMS
title_short Measurements of Higgs boson properties in hadronic final states at CMS
title_sort measurements of higgs boson properties in hadronic final states at cms
topic Detectors and Experimental Techniques
Particle Physics - Experiment
url https://dx.doi.org/10.22323/1.364.0342
http://cds.cern.ch/record/2797763
work_keys_str_mv AT gianninileonardo measurementsofhiggsbosonpropertiesinhadronicfinalstatesatcms