Measurement of boosted Higgs bosons produced via vector boson fusion or gluon fusion in the H →$ \textrm{b}\overline{\textrm{b}} $ decay mode using LHC proton-proton collision data at $ \sqrt{s} $ = 13 TeV

Hayrapetyan, Aram; Tumasyan, Armen; Adam, Wolfgang; Andrejkovic, Janik Walter; Bergauer, Thomas; Chatterjee, Suman; Damanakis, Konstantinos; Dragicevic, Marko; Hussain, Priya Sajid; Jeitler, Manfred

doi:10.1007/JHEP12(2024)035

Measurement of boosted Higgs bosons produced via vector boson fusion or gluon fusion in the H → $\textrm{b}\overline{\textrm{b}}$ decay mode using LHC proton-proton collision data at $\sqrt{s}$ = 13 TeV

CMS

Collaboration

Jul 10, 2024

47 pages

Published in:

JHEP 12 (2024) 035

Published: Dec 4, 2024

e-Print:

2407.08012 [hep-ex]

DOI:

10.1007/JHEP12(2024)035

Report number:

CMS-HIG-21-020,
CERN-EP-2024-162

Experiments:

CERN-LHC-CMS,
CERN-LHC-CMS

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Abstract: (Springer)

A measurement is performed of Higgs bosons produced with high transverse momentum (p

_{T}

) via vector boson or gluon fusion in proton-proton collisions. The result is based on a data set with a center-of-mass energy of 13 TeV collected in 2016–2018 with the CMS detector at the LHC and corresponds to an integrated luminosity of 138 fb

^{−1}

. The decay of a high-p

_{T}

Higgs boson to a boosted bottom quark-antiquark pair is selected using large-radius jets and employing jet substructure and heavy-flavor taggers based on machine learning techniques. Independent regions targeting the vector boson and gluon fusion mechanisms are defined based on the topology of two quark-initiated jets with large pseudorapidity separation. The signal strengths for both processes are extracted simultaneously by performing a maximum likelihood fit to data in the large-radius jet mass distribution. The observed signal strengths relative to the standard model expectation are

{4.9}_{-1.6}^{+1.9}

and

{1.6}_{-1.5}^{+1.7}

for the vector boson and gluon fusion mechanisms, respectively. A differential cross section measurement is also reported in the simplified template cross section framework.[graphic not available: see fulltext]

Note:

Replaced with the published version. Added the journal reference and the DOI. All the figures and tables, including additional supplementary figures, can be found at http://cms-results.web.cern.ch/cms-results/public-results/publications/HIG-21-020 (CMS Public Pages)

Hadron-Hadron Scattering
Higgs Physics

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