Search for a new resonance decaying into two spin-0 bosons in a final state with two photons and two bottom quarks in proton-proton collisions at $ \sqrt{s} $ = 13 TeV

Tumasyan, Armen; Adam, Wolfgang; Andrejkovic, Janik Walter; Bergauer, Thomas; Chatterjee, Suman; Damanakis, Konstantinos; Dragicevic, Marko; Escalante Del Valle, Alberto; Hussain, Priya Sajid; Jeitler, Manfred

doi:10.1007/JHEP05(2024)316

Search for a new resonance decaying into two spin-0 bosons in a final state with two photons and two bottom quarks in proton-proton collisions at $\sqrt{s}$ = 13 TeV

CMS

Collaboration

Oct 2, 2023

46 pages

Published in:

JHEP 05 (2024) 316

Published: May 29, 2024
and
Published: May, 2024

e-Print:

2310.01643 [hep-ex]

DOI:

10.1007/JHEP05(2024)316

Report number:

CMS-HIG-21-011,
CERN-EP-2023-132

Experiments:

CERN-LHC-CMS,
CERN-LHC-CMS

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Abstract: (Springer)

A search for a new boson X is presented using CERN LHC proton-proton collision data collected by the CMS experiment at

\sqrt{s}

= 13 TeV in 2016–2018, and corresponding to an integrated luminosity of 138 fb

^{−1}

. The resonance X decays into either a pair of Higgs bosons HH of mass 125 GeV or an H and a new spin-0 boson Y. One H subsequently decays to a pair of photons, and the second H or Y, to a pair of bottom quarks. The explored mass ranges of X are 260–1000 GeV and 300–1000 GeV, for decays to HH and to HY, respectively, with the Y mass range being 90–800 GeV. For a spin-0 X hypothesis, the 95% confidence level upper limit on the product of its production cross section and decay branching fraction is observed to be within 0.90–0.04 fb, depending on the masses of X and Y. The largest deviation from the background-only hypothesis with a local (global) significance of 3.8 (below 2.8) standard deviations is observed for X and Y masses of 650 and 90 GeV, respectively. The limits are interpreted using several models of new physics.[graphic not available: see fulltext]

Note:

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-21-011 (CMS Public Pages)

B Physics
Hadron-Hadron Scattering
Higgs Physics
Photon Production
p p: scattering
p p: colliding beams
resonance: production
resonance: decay modes
boson: scalar
boson: pair production

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Search for a new resonance decaying into two spin-0 bosons in a final state with two photons and two bottom quarks in proton-proton collisions at s \sqrt{s} s​ = 13 TeV

Citations per year

Search for a new resonance decaying into two spin-0 bosons in a final state with two photons and two bottom quarks in proton-proton collisions at $\sqrt{s}$ = 13 TeV