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Chang, Q; Li, XN; Sun, JF; Yang, YL; Chang, Q (reprint author), Henan Normal Univ, Inst Particle & Nucl Phys, Xinxiang 453007, Henan, Peoples R China.; Chang, Q (reprint author), Chinese Acad Sci, Inst Theoret Phys, State Key Lab Theoret Phys, Beijing 100864, Peoples R China.
Fits of weak annihilation and hard spectator scattering corrections in B-u,B-d -> VV decays
Source PublicationJOURNAL OF PHYSICS G-NUCLEAR AND PARTICLE PHYSICS
Language英语
Keywordb Meson Qcd Factorization Weak Annihilation
AbstractIn this paper, the contributions of weak annihilation and hard spectator scattering in B -> rho K*, K* (K) over bar*, phi K*, rho rho and phi phi decays are investigated within the framework of quantum chromodynamics factorization. Using the experimental data available, we perform chi(2) analyses of end-point parameters in four cases based on the topology-dependent and polarization-dependent parameterization schemes. The fitted results indicate that: (i) in the topology-dependent scheme, the relation (rho(i)(A), phi(i)(A)) not equal (rho(f)(A), phi(f)(A)) obtained through B -> PP and PV decays is favored by the penguin-dominated B -> VV decays at 95% CL; (ii) the large hard spectator scattering corrections and/or the simplification (rho(H), phi(H)) = (rho(i)(A), phi(i)(A)) are challenged by B((B) over bar (0) -> rho(0)rho(0)), even though they are allowed by B -> PP and PV decays and helpful for resolving the 'pi pi puzzle'; (iii) in the polarization-dependent scheme, the relation (rho(L)(A), phi(L)(A)) not equal (rho(T)(A), phi(T)(A)) is always required. Moreover, we have updated the theoretical results for B -> VV decays with the best-fit values of end-point parameters. A few observables, such as the ones of pure annihilation B-d -> phi phi decay, are also identified for probing the annihilation corrections.
2016
Volume43Issue:10Pages:105004
Subject AreaPhysics
DOIhttp://dx.doi.org/10.1088/0954-3899/43/10/105004
Indexed BySCI
Funding OrganizationNational Natural Science Foundation of China [11475055, 11275057, U1232101, U1332103] ; National Natural Science Foundation of China [11475055, 11275057, U1232101, U1332103] ; National Natural Science Foundation of China [11475055, 11275057, U1232101, U1332103] ; National Natural Science Foundation of China [11475055, 11275057, U1232101, U1332103] ; Foundation for the Author of National Excellent Doctoral Dissertation of P R China [201317] ; Foundation for the Author of National Excellent Doctoral Dissertation of P R China [201317] ; Foundation for the Author of National Excellent Doctoral Dissertation of P R China [201317] ; Foundation for the Author of National Excellent Doctoral Dissertation of P R China [201317] ; Program for Science and Technology Innovation Talents in Universities of Henan Province [14HASTIT036] ; Program for Science and Technology Innovation Talents in Universities of Henan Province [14HASTIT036] ; Program for Science and Technology Innovation Talents in Universities of Henan Province [14HASTIT036] ; Program for Science and Technology Innovation Talents in Universities of Henan Province [14HASTIT036] ; Foundation for University Key Teacher of Henan Province [2013GGJS-58] ; Foundation for University Key Teacher of Henan Province [2013GGJS-58] ; Foundation for University Key Teacher of Henan Province [2013GGJS-58] ; Foundation for University Key Teacher of Henan Province [2013GGJS-58]
Citation statistics
Document Type期刊论文
Identifierhttp://ir.itp.ac.cn/handle/311006/21519
Collection理论物理所科研产出_SCI论文
Corresponding AuthorChang, Q (reprint author), Henan Normal Univ, Inst Particle & Nucl Phys, Xinxiang 453007, Henan, Peoples R China.; Chang, Q (reprint author), Chinese Acad Sci, Inst Theoret Phys, State Key Lab Theoret Phys, Beijing 100864, Peoples R China.
Recommended Citation
GB/T 7714
Chang, Q,Li, XN,Sun, JF,et al. Fits of weak annihilation and hard spectator scattering corrections in B-u,B-d -> VV decays[J]. JOURNAL OF PHYSICS G-NUCLEAR AND PARTICLE PHYSICS,2016,43(10):105004.
APA Chang, Q,Li, XN,Sun, JF,Yang, YL,Chang, Q ,&Chang, Q .(2016).Fits of weak annihilation and hard spectator scattering corrections in B-u,B-d -> VV decays.JOURNAL OF PHYSICS G-NUCLEAR AND PARTICLE PHYSICS,43(10),105004.
MLA Chang, Q,et al."Fits of weak annihilation and hard spectator scattering corrections in B-u,B-d -> VV decays".JOURNAL OF PHYSICS G-NUCLEAR AND PARTICLE PHYSICS 43.10(2016):105004.
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