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	Measurement of the b-s(0) -> j/psi eta lifetime
	Aaij, R.40; Adeva, B.39; Adinolfi, M.48; Ajaltouni, Z.5; Akar, S.6; Albrecht, J.10; Alessio, F.40; Alexander, M.53; Ali, S.43; Alkhazov, G.31
刊名	Physics letters b
	2016-11-10
卷号	762页码:484-492
ISSN号	0370-2693
DOI	10.1016/j.physletb.2016.10.006
通讯作者	Needham, m.(matthew.needham@cern.ch)
英文摘要	Using a data set corresponding to an integrated luminosity of 3fb(-1), collected by the lhcb experiment in ppcollisions at centre-of-mass energies of 7 and 8tev, the effective lifetime in the b-s(0) -> j/psi eta decay mode, teff, is measured to be tau(eff) = 1.479 +/- 0.034 (stat)+/- 0.011 (syst) ps. assuming cp conservation, tau(eff) corresponds to the lifetime of the light b-s(0) mass eigenstate. this is the first measurement of the effective lifetime in this decay mode. (c) 2016 the author. published by elsevier b.v.
WOS关键词	DECAY ; (B)OVER-BAR(S)(0)
WOS研究方向	Astronomy & Astrophysics ; Physics
WOS类目	Astronomy & Astrophysics ; Physics, Nuclear ; Physics, Particles & Fields
语种	英语
出版者	ELSEVIER SCIENCE BV
WOS记录号	WOS:000388473700067
内容类型	期刊论文
URI标识	http://www.corc.org.cn/handle/1471x/2176813
专题	高能物理研究所
通讯作者	Needham, M.
作者单位	1.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, CNRS, IN2P3, LAPP, Annecy Le Vieux, France 5.Univ Blaise Pascal, Clermont Univ, CNRS, IN2P3,LPC, Clermont Ferrand, France 6.Aix Marseille Univ, CPPM, CNRS, IN2P3, Marseille, France 7.Univ Paris 11, CNRS, IN2P3, LAL, 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
推荐引用方式 GB/T 7714	Aaij, R.,Adeva, B.,Adinolfi, M.,et al. Measurement of the b-s(0) -> j/psi eta lifetime[J]. Physics letters b,2016,762:484-492.
APA	Aaij, R..,Adeva, B..,Adinolfi, M..,Ajaltouni, Z..,Akar, S..,...&Zucchelli, S..(2016).Measurement of the b-s(0) -> j/psi eta lifetime.Physics letters b,762,484-492.
MLA	Aaij, R.,et al."Measurement of the b-s(0) -> j/psi eta lifetime".Physics letters b 762(2016):484-492.

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