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Search for the Higgs boson produced in association with a W boson and decaying to four b-quarks via two spin-zero particles in pp collisions at 13 TeV with the ATLAS detector

Aaboud, M.
•
Aad, G.
•
Abbott, B.
altro
GIORDANI, Mario
2016
  • journal article

Periodico
THE EUROPEAN PHYSICAL JOURNAL. C, PARTICLES AND FIELDS
Abstract
This paper presents a dedicated search for exotic decays of the Higgs boson to a pair of new spin-zero particles, H→ aa, where the particle a decays to b-quarks and has a mass in the range of 20–60 GeV. The search is performed in events where the Higgs boson is produced in association with a W boson, giving rise to a signature of a lepton (electron or muon), missing transverse momentum, and multiple jets from b-quark decays. The analysis is based on the full dataset of pp collisions at s=13TeV recorded in 2015 by the ATLAS detector at the CERN Large Hadron Collider, corresponding to an integrated luminosity of 3.2 fb-1. No significant excess of events above the Standard Model prediction is observed, and a 95% confidence-level upper limit is derived for the product of the production cross section for pp→ WH times the branching ratio for the decay H→ aa→ 4 b. The upper limit ranges from 6.2 pb for an a-boson mass ma=20GeV to 1.5 pb for ma=60GeV.
DOI
10.1140/epjc/s10052-016-4418-9
WOS
WOS:000399826900001
Archivio
http://hdl.handle.net/11390/1109758
info:eu-repo/semantics/altIdentifier/scopus/2-s2.0-85008613666
Diritti
metadata only access
Soggetti
  • HADRON COLLIDERS

  • PAIR PRODUCTION

  • RESUMMATION

Scopus© citazioni
23
Data di acquisizione
Jun 14, 2022
Vedi dettagli
Web of Science© citazioni
23
Data di acquisizione
Mar 23, 2024
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