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Transition form factors of B decays into p-wave axial-vector mesons in the perturbative QCD approach
Li, Run-Hui; Lue, Cai-Dian; Wang, Wei; Li, RH , Inst High Energy Phys, POB 918 4, Beijing 100049, Peoples R China
2009
发表期刊PHYSICAL REVIEW D
ISSN1550-7998
卷号79期号:3页码:-
摘要The B(u,d,s) -> V, A form factors are studied in the perturbative QCD approach (V, A denote a vector meson and two kinds of p-wave axial-vector mesons: (3)P(1) and (1)P(1) states, respectively). The form factors are directly studied in the large recoiling region and extrapolated to the whole kinematic region within the dipole parametrization. Adopting decay constants with different signs for the two kinds of axial vectors, we find that the two kinds of B -> A form factors have the same sign. The two strange mesons K(1A) and K(1B) mix with each other via the SU(3) symmetry breaking effect. In order to reduce the ambiguities in the mixing angle between K(1A) and K(1B), we propose a model-independent way that utilizes the B decay data. Most of the branching fractions of the semilteptonic B -> Al (nu) over bar (l) decays are of the order 10(-4), which still need experimental tests in the ongoing and forthcoming experiments.
部门归属[Li, RH; Lue, CD; Wang, W] Inst High Energy Phys, Beijing 100049, Peoples R China; [Li, RH] Shandong Univ, Sch Phys, Jinan 250100, Peoples R China; [Lue, CD] Chinese Acad Sci, Kavli Inst Theoret Phys, Beijing 100190, Peoples R China
关键词Distribution Amplitudes Semileptonic b Quark-model
学科领域Physics
资助者National Natural Science Foundation of China[10735080, 10625525, 10525523, 10805037]; Chinese Academy of Sciences[KJCX2. YW.W10] ; National Natural Science Foundation of China[10735080, 10625525, 10525523, 10805037]; Chinese Academy of Sciences[KJCX2. YW.W10] ; National Natural Science Foundation of China[10735080, 10625525, 10525523, 10805037]; Chinese Academy of Sciences[KJCX2. YW.W10] ; National Natural Science Foundation of China[10735080, 10625525, 10525523, 10805037]; Chinese Academy of Sciences[KJCX2. YW.W10]
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收录类别SCI
资助者National Natural Science Foundation of China[10735080, 10625525, 10525523, 10805037]; Chinese Academy of Sciences[KJCX2. YW.W10] ; National Natural Science Foundation of China[10735080, 10625525, 10525523, 10805037]; Chinese Academy of Sciences[KJCX2. YW.W10] ; National Natural Science Foundation of China[10735080, 10625525, 10525523, 10805037]; Chinese Academy of Sciences[KJCX2. YW.W10] ; National Natural Science Foundation of China[10735080, 10625525, 10525523, 10805037]; Chinese Academy of Sciences[KJCX2. YW.W10]
WOS记录号WOS:000263816600038
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被引频次:30[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.itp.ac.cn/handle/311006/5393
专题理论物理所1978-2010年知识产出
通讯作者Li, RH , Inst High Energy Phys, POB 918 4, Beijing 100049, Peoples R China
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GB/T 7714
Li, Run-Hui,Lue, Cai-Dian,Wang, Wei,et al. Transition form factors of B decays into p-wave axial-vector mesons in the perturbative QCD approach[J]. PHYSICAL REVIEW D,2009,79(3):-.
APA Li, Run-Hui,Lue, Cai-Dian,Wang, Wei,&Li, RH , Inst High Energy Phys, POB 918 4, Beijing 100049, Peoples R China.(2009).Transition form factors of B decays into p-wave axial-vector mesons in the perturbative QCD approach.PHYSICAL REVIEW D,79(3),-.
MLA Li, Run-Hui,et al."Transition form factors of B decays into p-wave axial-vector mesons in the perturbative QCD approach".PHYSICAL REVIEW D 79.3(2009):-.
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