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	Search for lepton flavour violating decays of the higgs boson to mu tau and e tau in proton-proton collisions at root s=13 tev
	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
	2018-06-01
期号	6页码:54
关键词	Beyond standard model Flavor physics Hadron-hadron scattering (experiments)
ISSN号	1029-8479
DOI	10.1007/jhep06(2018)001
通讯作者	Sirunyan, a. m.(cms-publication-committee-chair@cern.ch)
英文摘要	A search for lepton flavour violating decays of the higgs boson in the mu tau and e tau decay modes is presented. the search is based on a data set corresponding to an integrated luminosity of 35.9 fb(-1) of proton-proton collisions collected with the cms detector in 2016, at a centre-of-mass energy of 13 tev. no significant excess over the standard model expectation is observed. the observed (expected) upper limits on the lepton flavour violating branching fractions of the higgs boson are b(h -> mu tau) < 0.25% (0.25%) and b(h -> e tau) < 0.61% (0.37%), at 95% confidence level. these results are used to derive upper limits on the off-diagonal mu tau and e tau yukawa couplings root vertical bar y-mu tau vertical bar(2) + vertical bar y-mu tau vertical bar(2) < 1.43 x 10(-3) and root vertical bar y-e tau vertical bar(2) + vertical bar y-tau e vertical bar(2) < 2.26 x 10(-3) at 95% confidence level. the limits on the lepton flavour violating branching fractions of the higgs boson and on the associated yukawa couplings are the most stringent to date.
WOS关键词	HADRON COLLIDERS ; H(0) DECAYS ; PARTICLES ; NONCONSERVATION
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:000433980400001
内容类型	期刊论文
URI标识	http://www.corc.org.cn/handle/1471x/2177561
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, Louvainla La Neuve, Belgium 9.Univ Mons, Mons, Belgium 10.Ctr Brasileiro Pesquisas Fis, Rio De Janeiro, Brazil
推荐引用方式 GB/T 7714	Sirunyan, A. M.,Tumasyan, A.,Adam, W.,et al. Search for lepton flavour violating decays of the higgs boson to mu tau and e tau in proton-proton collisions at root s=13 tev[J]. Journal of high energy physics,2018(6):54.
APA	Sirunyan, A. M..,Tumasyan, A..,Adam, W..,Ambrogi, F..,Asilar, E..,...&Ibrahim, Z. A..(2018).Search for lepton flavour violating decays of the higgs boson to mu tau and e tau in proton-proton collisions at root s=13 tev.Journal of high energy physics(6),54.
MLA	Sirunyan, A. M.,et al."Search for lepton flavour violating decays of the higgs boson to mu tau and e tau in proton-proton collisions at root s=13 tev".Journal of high energy physics .6(2018):54.

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