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Search for a heavy right-handed w boson and a heavy neutrino in events with two same-flavor leptons and two jets root s at=13 tev

文献类型:期刊论文

作者Sirunyan, A. M.1; Tumasyan, A.1; Adam, W.2; Ambrogi, F.2; Asilar, E.2; Bergauer, T.2; Brandstetter, J.2; Brondolin, E.2; Dragicevic, M.2; Eroe, J.2
刊名Journal of high energy physics
出版日期2018-05-24
期号5页码:37
ISSN号1029-8479
关键词Beyond standard model Hadron-hadron scattering (experiments)
DOI10.1007/jhep05(2018)148
通讯作者Sirunyan, a. m.()
英文摘要A search for a heavy right-handed w boson (w-r) decaying to a heavy right-handed neutrino and a charged lepton in events with two same-flavor leptons (e or mu) and two jets, is presented. the analysis is based on proton-proton collision data, collected by the cms collaboration at the lhc in 2016 and corresponding to an integrated luminosity of 35.9 fb(-1). no significant excess above the standard model expectation is seen in the invariant mass distribution of the dilepton plus dijet system. assuming that couplings are identical to those of the standard model, and that only one heavy neutrino flavor n-r contributes significantly to the w-r decay width, the region in the two-dimensional (m(wr), m(nr)) mass plane excluded at 95% confidence level extends to approximately m(wr) = 4 : 4tev and covers a large range of right-handed neutrino masses below the w-r boson mass. this analysis provides the most stringent limits on the w-r mass to date.
WOS关键词LEFT-RIGHT SYMMETRY ; MAJORANA NEUTRINOS ; PARITY
WOS研究方向Physics
WOS类目Physics, Particles & Fields
语种英语
出版者SPRINGER
WOS记录号WOS:000433262800001
URI标识http://www.irgrid.ac.cn/handle/1471x/2177479
专题高能物理研究所
通讯作者Sirunyan, A. M.
作者单位1.Yerevan Phys Inst, Yerevan, Armenia
2.Inst Hochenergiephys, Vienna, Austria
3.Inst Nucl Problems, Minsk, BELARUS
4.Univ Antwerp, Antwerp, Belgium
5.Vrije Univ Brussel, Brussels, Belgium
6.Univ Libre Bruxelles, Brussels, Belgium
7.Univ Ghent, Ghent, Belgium
8.Catholic Univ Louvain, Louvain La Neuve, Belgium
9.Ctr Brasileiro Pesquisas Fis, Rio De Janeiro, Brazil
10.Univ Estado Rio de Janeiro, Rio De Janeiro, Brazil
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Sirunyan, A. M.,Tumasyan, A.,Adam, W.,et al. Search for a heavy right-handed w boson and a heavy neutrino in events with two same-flavor leptons and two jets root s at=13 tev[J]. Journal of high energy physics,2018(5):37.
APA Sirunyan, A. M..,Tumasyan, A..,Adam, W..,Ambrogi, F..,Asilar, E..,...&Yang, U. K..(2018).Search for a heavy right-handed w boson and a heavy neutrino in events with two same-flavor leptons and two jets root s at=13 tev.Journal of high energy physics(5),37.
MLA Sirunyan, A. M.,et al."Search for a heavy right-handed w boson and a heavy neutrino in events with two same-flavor leptons and two jets root s at=13 tev".Journal of high energy physics .5(2018):37.

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