Search for Higgs boson decays into a pair of pseudoscalar particles in the bbμμ final state with the ATLAS detector in pp collisions at √s=13 TeV
This paper presents a search for decays of the Higgs boson with a mass of 125 GeV into a pair of new pseudoscalar particles, H -> aa, where one a-boson decays into a b-quark pair and the other into a muon pair. The search uses 139 fb(-1) of proton-proton collision data at a center-of-mass energy...
| Published in: | Physical Review D Vol. 105, № 1. P. 012006-1-012006-29 |
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| Other Authors: | , , , , , , |
| Format: | Article |
| Language: | English |
| Subjects: | |
| Online Access: | http://vital.lib.tsu.ru/vital/access/manager/Repository/koha:001004018 Перейти в каталог НБ ТГУ |
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| 024 | 7 | |a 10.1103/PhysRevD.105.012006 |2 doi | |
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| 245 | 1 | 0 | |a Search for Higgs boson decays into a pair of pseudoscalar particles in the bbμμ final state with the ATLAS detector in pp collisions at √s=13 TeV |c G. Aad, B. Abbott, D. C. Abbott [et al.] |
| 336 | |a Текст | ||
| 337 | |a электронный | ||
| 504 | |a Библиогр.: 114 назв. | ||
| 520 | 3 | |a This paper presents a search for decays of the Higgs boson with a mass of 125 GeV into a pair of new pseudoscalar particles, H -> aa, where one a-boson decays into a b-quark pair and the other into a muon pair. The search uses 139 fb(-1) of proton-proton collision data at a center-of-mass energy root s = 13 TeV recorded between 2015 and 2018 by the ATLAS experiment at the LHC. A narrow dimuon resonance is searched for in the invariant mass spectrum between 16 GeV and 62 GeV. The largest excess of events above the Standard Model backgrounds is observed at a dimuon invariant mass of 52 GeV and corresponds to a local (global) significance of 3.3 sigma (1.7 sigma). Upper limits at 95% confidence level are placed on the branching ratio of the Higgs boson to the bb mu mu final state, beta(H -> aa -> bb mu mu), and are in the range 0.2-4.0 x 10(-4), depending on the signal mass hypothesis. | |
| 653 | |a Хиггса бозон | ||
| 653 | |a протон-протонные столкновения | ||
| 653 | |a ATLAS, детектор | ||
| 653 | |a псевдоскалярные частицы | ||
| 655 | 4 | |a статьи в журналах |9 889872 | |
| 700 | 1 | |a Aad, G. |9 116039 | |
| 700 | 1 | |a Abbott, B. |9 116041 | |
| 700 | 1 | |a Abbott, D. C. |9 500727 | |
| 700 | 1 | |a Aliev, M. |9 878765 | |
| 700 | 1 | |a Kostyukhin, Vadim V. |9 898806 | |
| 700 | 1 | |a Kuchinskaya, Olesya I. |9 100836 | |
| 700 | 1 | |a Penzin, Maxim S. |9 898592 | |
| 773 | 0 | |t Physical Review D |d 2022 |g Vol. 105, № 1. P. 012006-1-012006-29 |x 2470-0010 | |
| 852 | 4 | |a RU-ToGU | |
| 856 | 4 | |u http://vital.lib.tsu.ru/vital/access/manager/Repository/koha:001004018 | |
| 856 | |y Перейти в каталог НБ ТГУ |u https://koha.lib.tsu.ru/cgi-bin/koha/opac-detail.pl?biblionumber=1004018 | ||
| 908 | |a статья | ||
| 039 | |z 56 |b 100 | ||
| 999 | |c 1004018 |d 1004018 | ||