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Search for heavy resonances decaying to a W or Z boson and a Higgs boson in the q¯ q(')b¯ b final state in pp collisions at vs=13TeV with the ATLAS detector

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journal contribution
posted on 2023-06-09, 09:02 authored by Benedict AllbrookeBenedict Allbrooke, Lily AsquithLily Asquith, Alessandro CerriAlessandro Cerri, C A Chavez Barajas, Antonella De SantoAntonella De Santo, Fabrizio SalvatoreFabrizio Salvatore, I Santoyo Castillo, K Suruliz, Mark SuttonMark Sutton, Iacopo Vivarelli, The ATLAS Collaboration and
A search for heavy resonances decaying to a W or Z boson and a Higgs boson in the q¯q(?)b¯b final state is described. The search uses 36.1fb-1 of proton–proton collision data at vs=13TeVcollected by the ATLAS detector at the CERN Large Hadron Collider in 2015 and 2016. The data are in agreement with the Standard Model expectations, with the largest excess found at a resonance mass of 3.0 TeV with a local (global) significance of 3.3 (2.1)s. The results are presented in terms of constraints on a simplified model with a heavy vector triplet. Upper limits are set on the production cross-section times branching ratio for resonances decaying to a W(Z) boson and a Higgs boson, itself decaying to b¯b, in the mass range between 1.1 and 3.8TeVat 95% confidence level; the limits range between 83 and 1.6fb (77 and 1.1fb) at 95% confidence level.

Funding

ATLAS; G0275; STFC-SCIENCE AND TECHNOLOGY FACILITIES COUNCIL; ST/I006048/1

History

Publication status

  • Published

File Version

  • Published version

Journal

Physics Letters B

ISSN

0370-2693

Publisher

Elsevier

Volume

774

Page range

494-515

Department affiliated with

  • Physics and Astronomy Publications

Full text available

  • Yes

Peer reviewed?

  • Yes

Legacy Posted Date

2017-11-24

First Open Access (FOA) Date

2017-11-24

First Compliant Deposit (FCD) Date

2017-11-24

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