Search for Higgs boson pair production with one associated vector boson in proton-proton collisions at $ \sqrt{s} $ = 13 TeV - INSPIRE

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Search for Higgs boson pair production with one associated vector boson in proton-proton collisions at $\sqrt{s}$ = 13 TeV

CMS

Collaboration

Apr 12, 2024

59 pages

Published in:

JHEP 10 (2024) 061

Published: Oct 8, 2024
and
Published: Oct, 2024

e-Print:

2404.08462 [hep-ex]

DOI:

10.1007/JHEP10(2024)061

Report number:

CMS-HIG-22-006,
CERN-EP-2024-064

Experiments:

CERN-LHC-CMS,
CERN-LHC-CMS

View in:

reference search9 citations

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Abstract: (Springer)

A search for Higgs boson pair (HH) production in association with a vector boson V (W or Z boson) is presented. The search is based on proton-proton collision data at a center-of-mass energy of 13 TeV, collected with the CMS detector at the LHC, corresponding to an integrated luminosity of 138 fb

^{−1}

. Both hadronic and leptonic decays of V bosons are used. The leptons considered are electrons, muons, and neutrinos. The HH production is searched for in the

\textrm{b}\overline{\textrm{b}}\textrm{b}\overline{\textrm{b}}

decay channel. An observed (expected) upper limit at 95% confidence level of VHH production cross section is set at 294 (124) times the standard model prediction. Constraints are also set on the modifiers of the Higgs boson trilinear self-coupling, k

_{λ}

, assuming k

_{2V}

= 1, and vice versa on the coupling of two Higgs bosons with two vector bosons, k

_{2V}

. The observed (expected) 95% confidence intervals of these coupling modifiers are −37.7 < k

_{λ}

< 37.2 (−30.1 < k

_{λ}

< 28.9) and −12.2 < k

_{2V}

< 13.5 (−7.2 < k

_{2V}

< 8.9), respectively.[graphic not available: see fulltext]

Note:

All the figures and tables can be found at http://cms-results.web.cern.ch/cms-results/public-results/publications/HIG-22-006 (CMS Public Pages)

Hadron-Hadron Scattering
Higgs Physics
Vector Boson Production
p p: scattering
p p: colliding beams
Higgs particle: pair production
Z0: associated production
W: associated production
Higgs particle: coupling
vector boson: associated production

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