Search for invisible Higgs boson decays in vector boson fusion at √s=13 TeV with the ATLAS detector

doi:10.1016/j.physletb.2019.04.024

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протон-протонные столкновения | 2019 | Хиггса бозон

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DOI Доступ к ресурсу на сайте издателя				10.1016/j.physletb.2019.04.024

Title: Search for invisible Higgs boson decays in vector boson fusion at √s=13 TeV with the ATLAS detector
Creator: Aad, G.
Creator: Abbott, B.
Creator: Chelkov, G. A.
Creator: Khodinov, A.
Creator: Parida, B.
Creator: Tsybychev, D.
Creator: Vaniachine, A.
Creator: Aaboud, M.
Subject: Большой адронный коллайдер
протон-протонные столкновения
Хиггса бозон
ATLAS, детектор
Date: 2019
DOI: 10.1016/j.physletb.2019.04.024
Description: We report a search for Higgs bosons that are produced via vector boson fusion and subsequently decay into invisible particles. The experimental signature is an energetic jet pair with invariant mass of O(1) TeV and O(100) GeV missing transverse momentum. The analysis uses 36.1 fb−1 of pp collision data at √s=13 TeV recorded by the ATLAS detector at the LHC. In the signal region the 2252 observed events are consistent with the background estimation. Assuming a 125 GeV scalar particle with Standard Model cross sections, the upper limit on the branching fraction of the Higgs boson decay into invisible particles is 0.37 at 95% confidence level where 0.28 was expected. This limit is interpreted in Higgs portal models to set bounds on the wimp–nucleon scattering cross section. We also consider invisible decays of additional scalar bosons with masses up to 3 TeV for which the upper limits on the cross section times branching fraction are in the range of 0.3–1.7 pb.

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collection(s): Физический факультет
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Identifier: vtls:000674651
http://vital.lib.tsu.ru/vital/access/manager/Repository/vtls:000674651
Type: статьи в журналах
Source: Physics Letters B. 2019. Vol. 793. P. 499-519
Language: eng

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Научное управление Search for invisible Higgs boson decays in vector boson fusion at √s=13 TeV with the ATLAS detector