ITP OpenIR  > SCI期刊论文
Shi, YJ; Wang, W; Wang, W (reprint author), Shanghai Jiao Tong Univ, Dept Phys & Astron, Shanghai Key Lab Particle Phys & Cosmol, INPAC, Shanghai 200240, Peoples R China.
Chiral dynamics and S-wave contributions in semileptonic D-s/B-s decays into pi(+)pi(-)
Source PublicationPHYSICAL REVIEW D
Language英语
AbstractIn this work, we study the semileptonic decay modes B-s(0) -> pi(+)pi(-)l(+)l(-) and D-s(+) -> pi(+)pi(-)l(+)nu in the kinematics region where the pi(+)pi(-) system has a invariant mass in the range 0.5-1.3 GeV. These processes are valuable towards the determination of S-wave pi(+)pi(-)light-cone distribution amplitudes whose normalizations are scalar form factors. We compare the results for scalar form factors predicted in unitarized chiral perturbation theory and extracted from the data on the B-s -> J/psi pi(+)pi(-). Then the B-s -> pi(+)pi(-) and D-s -> pi(+)pi(-) form factors are calculated in light-cone sum rules, based on which predictions for differential decay widths are made. The results are in good agreement with the experimental data on the Bs and Ds decays into pi(+)pi(-). More accurate measurements at BEPC, LHC and KEKB in the future will be helpful to examine our formalism and constrain the input parameters more precisely.
2015
Volume92Issue:7Pages:74038
Subject AreaAstronomy & Astrophysics ; Physics
DOIhttp://dx.doi.org/10.1103/PhysRevD.92.074038
Indexed BySCI
Funding OrganizationShanghai Natural Science Foundation [15DZ2272100, 15ZR1423100] ; Shanghai Natural Science Foundation [15DZ2272100, 15ZR1423100] ; Shanghai Natural Science Foundation [15DZ2272100, 15ZR1423100] ; Shanghai Natural Science Foundation [15DZ2272100, 15ZR1423100] ; Open Project Program of State Key Laboratory of Theoretical Physics, Institute of Theoretical Physics, Chinese Academy of Sciences, China [Y5KF111CJ1] ; Open Project Program of State Key Laboratory of Theoretical Physics, Institute of Theoretical Physics, Chinese Academy of Sciences, China [Y5KF111CJ1] ; Open Project Program of State Key Laboratory of Theoretical Physics, Institute of Theoretical Physics, Chinese Academy of Sciences, China [Y5KF111CJ1] ; Open Project Program of State Key Laboratory of Theoretical Physics, Institute of Theoretical Physics, Chinese Academy of Sciences, China [Y5KF111CJ1] ; Scientific Research Foundation for the Returned Overseas Chinese Scholars, State Education Ministry ; Scientific Research Foundation for the Returned Overseas Chinese Scholars, State Education Ministry ; Scientific Research Foundation for the Returned Overseas Chinese Scholars, State Education Ministry ; Scientific Research Foundation for the Returned Overseas Chinese Scholars, State Education Ministry ; National Natural Science Foundation of China [11575110] ; National Natural Science Foundation of China [11575110] ; National Natural Science Foundation of China [11575110] ; National Natural Science Foundation of China [11575110]
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Document Type期刊论文
Identifierhttp://ir.itp.ac.cn/handle/311006/20816
CollectionSCI期刊论文
Corresponding AuthorWang, W (reprint author), Shanghai Jiao Tong Univ, Dept Phys & Astron, Shanghai Key Lab Particle Phys & Cosmol, INPAC, Shanghai 200240, Peoples R China.
Recommended Citation
GB/T 7714
Shi, YJ,Wang, W,Wang, W . Chiral dynamics and S-wave contributions in semileptonic D-s/B-s decays into pi(+)pi(-)[J]. PHYSICAL REVIEW D,2015,92(7):74038.
APA Shi, YJ,Wang, W,&Wang, W .(2015).Chiral dynamics and S-wave contributions in semileptonic D-s/B-s decays into pi(+)pi(-).PHYSICAL REVIEW D,92(7),74038.
MLA Shi, YJ,et al."Chiral dynamics and S-wave contributions in semileptonic D-s/B-s decays into pi(+)pi(-)".PHYSICAL REVIEW D 92.7(2015):74038.
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