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Search for doubly charged scalar bosons decaying into same-sign W boson pairs with the ATLAS detector
journal contribution
posted on 2023-06-09, 18:44 authored by N L Abraham, Benedict AllbrookeBenedict Allbrooke, Lily AsquithLily Asquith, Alessandro CerriAlessandro Cerri, Antonella De SantoAntonella De Santo, Samuel Jones, Fabrizio SalvatoreFabrizio Salvatore, Kate ShawKate Shaw, K Suruliz, Thomas StevensonThomas Stevenson, Mark SuttonMark Sutton, Fabio Tresoldi, Fabrizio Trovato, Iacopo Vivarelli, E Winkels, The ATLAS Collaboration, othersA search for doubly charged scalar bosons decaying into W boson pairs is presented. It uses a data sample from proton–proton collisions corresponding to an integrated luminosity of 36.1 fb -1 collected by the ATLAS detector at the LHC at a centre-of-mass energy of 13 TeV in 2015 and 2016. This search is guided by a model that includes an extension of the Higgs sector through a scalar triplet, leading to a rich phenomenology that includes doubly charged scalar bosons H ±±. Those bosons are produced in pairs in proton–proton collisions and decay predominantly into electroweak gauge bosons H ±± ?W ± W ±. Experimental signatures with several leptons, missing transverse energy and jets are explored. No significant deviations from the Standard Model predictions are found. The parameter space of the benchmark model is excluded at 95% confidence level for H ±± bosons with masses between 200 and 220 GeV.
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Publication status
- Published
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- Published version
Journal
European Physical Journal C: Particles and FieldsISSN
1434-6044Publisher
Springer VerlagExternal DOI
Issue
58Volume
79Page range
1-30Department affiliated with
- Physics and Astronomy Publications
Full text available
- Yes
Peer reviewed?
- Yes
Legacy Posted Date
2019-09-13First Open Access (FOA) Date
2019-09-13First Compliant Deposit (FCD) Date
2019-08-22Usage metrics
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