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题名: To understand the rare decay B-s -> pi(+)pi(-)l(+)l(-)
作者: Wang, W;  Zhu, RL
刊名: PHYSICS LETTERS B
出版日期: 2015
卷号: 743, 期号:0, 页码:467-471
学科分类: Astronomy & Astrophysics ;  Physics
DOI: http://dx.doi.org/10.1016/j.physletb.2015.03.011
通讯作者: Zhu, RL (reprint author), Shanghai Jiao Tong Univ, Dept Phys & Astron, Shanghai Key Lab Particle Phys & Cosmol, INPAC, Shanghai 200240, Peoples R China.
文章类型: Article
英文摘要: Motivated by the LHCb measurement, we analyze the B-s -> pi(+)pi(-)l(+)l(-) decay in the kinematics region where the pion pairs have invariant massesin the range 0.5-1.3 GeV and muon pairs do not originate from a resonance. The scalar pi(+)pi(-) form factor induced by the strange (s) over bars current is predicted by the unitarized approach rooted in the chiral perturbation theory. Using the two-hadron light-cone distribution amplitude, we then can derive the B-s -> pi(+)pi(-) transition form factor in the light-cone sum rules approach. Merging these quantities, we present our results for differential decay width which can generally agree with the experimental data. More accurate measurements at the LHC and KEKB in future are helpful to validate our formalism and determine the inputs in this approach. (C) 2015 The Authors. Published by Elsevier B.V.
类目[WOS]: Astronomy & Astrophysics ;  Physics, Nuclear ;  Physics, Particles & Fields
关键词[WOS]: CHIRAL PERTURBATION-THEORY ;  TRANSITION FORM-FACTORS ;  QCD APPROACH ;  DISTRIBUTION AMPLITUDES ;  SCALAR MESONS ;  SUM-RULES ;  ONE LOOP ;  PI-PI ;  EXPANSION ;  F(0)(980)
收录类别: SCI
项目资助者: Office of Science and Technology, Shanghai Municipal Government [11DZ2260700] ;  Shanghai Natural Science Foundation [15ZR1423100]
语种: 英语
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/21033
Appears in Collections:理论物理所2015年知识产出_期刊论文

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Recommended Citation:
Wang, W,Zhu, RL. To understand the rare decay B-s -> pi(+)pi(-)l(+)l(-)[J]. PHYSICS LETTERS B,2015,743(0):467-471.
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文件名: To understand the rare decay B-s - pi(+)pi(-)l(+)l(-).pdf
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