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Search for the lepton-flavour violating decays b-(s)(0) -> e(+/-) mu(-/+)

文献类型:期刊论文

AuthorAaij, R.42; Adeva, B.41; Adinolfi, M.50; Ajaltouni, Z.5; Akar, S.61; Albrecht, J.10; Alessio, F.42; Alexander, M.55; Alfonso Albero, A.40; Ali, S.45
SourceJournal of high energy physics
Issued Date2018-03-13
Issue3Pages:20
ISSN1029-8479
KeywordB physics Branching fraction Flavor physics Hadron-hadron scattering (experiments) Rare decay
DOI10.1007/jhep03(2018)078
Corresponding AuthorAaij, r.(flavio.archilli@cern.ch)
English AbstractA search for the lepton-flavour violating decays b-(s)(0) -> e(+/-)mu(-/+) and b-(s)(0) -> e(+/-)mu(-/+) performed based on a sample of proton-proton collision data corresponding to an integrated luminosity of 3 fb(-1), collected with the lhcb experiment at centre-of-mass energies of 7 and 8tev. the observed yields are consistent with the background-only hypothesis. upper limits on the branching fraction of the b-(s)(0) -> e(+/-)mu(-/+) decays are evaluated both in the hypotheses of an amplitude completely dominated by the heavy eigenstate and by the light eigenstate. the results are b(b-s(0) -> e(+/-)mu(-/+)) < 6.3 (5.4) x 10(-9) and b(b-s(0) -> e(+/-)mu(-/+)) < 7.2(6.0) x 10(-9) at 95% (90%) confidence level, respectively. the upper limit on the branching fraction of the b-0 -> e(+/-)mu(-/+) decay is also evaluated, obtaining b(b-0 -> e(+/-)mu(-/+)) < 1.3 (1.0) x 10(-9) at 95% (90%) confidence level. these are the strongest limits on these decays to date.
WOS KeywordMODEL
WOS Research AreaPhysics
WOS SubjectPhysics, Particles & Fields
Language英语
WOS IDWOS:000428791300007
PublisherSPRINGER
URIhttp://www.irgrid.ac.cn/handle/1471x/2178205
Collection高能物理研究所
Corresponding AuthorAaij, R.
Affiliation1.CBPF, Rio De Janeiro, Brazil
2.Univ Fed Rio de Janeiro, Rio de Janeiro, Brazil
3.Tsinghua Univ, Ctr High Energy Phys, Beijing, Peoples R China
4.Univ Savoie Mt Blanc, LAPP, CNRS, IN2P3, Annecy Le Vieux, France
5.Univ Blaise Pascal, Clermont Univ, CNRS, IN2P3,LPC, Clermont Ferrand, France
6.Aix Marseille Univ, CNRS, IN2P3, CPPM, Marseille, France
7.Univ Paris 11, LAL, CNRS, IN2P3, Orsay, France
8.Univ Paris Diderot, Univ Pierre & Marie Curie, LPNHE, CNRS,IN2P3, Paris, France
9.Rhein Westfal TH Aachen, Phys Inst 1, Aachen, Germany
10.Tech Univ Dortmund, Fak Phys, Dortmund, Germany
Recommended Citation
GB/T 7714
Aaij, R.,Adeva, B.,Adinolfi, M.,et al. Search for the lepton-flavour violating decays b-(s)(0) -> e(+/-) mu(-/+)[J]. Journal of high energy physics,2018(3):20.
APA Aaij, R..,Adeva, B..,Adinolfi, M..,Ajaltouni, Z..,Akar, S..,...&Zucchelli, S..(2018).Search for the lepton-flavour violating decays b-(s)(0) -> e(+/-) mu(-/+).Journal of high energy physics(3),20.
MLA Aaij, R.,et al."Search for the lepton-flavour violating decays b-(s)(0) -> e(+/-) mu(-/+)".Journal of high energy physics .3(2018):20.

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