Form factors for B → j1 j2 decays into two currents in QCD

被引：2
|
作者：
Ivanov, Mikhail A. [1 ]
Melikhov, Dmitri [1 ,2 ,3 ]
Simula, Silvano [4 ]
机构：
[1] Joint Inst Nucl Res, Dubna 141980, Russia
[2] Moscow MV Lomonosov State Univ, DV Skobeltsyn Inst Nucl Phys, Moscow 119991, Russia
[3] Univ Vienna, Fac Phys, Boltzmanngasse 5, A-1090 Vienna, Austria
[4] Roma Tre, INFN, Via Vasca Navale 84, I-00146 Rome, Italy
来源：
PHYSICAL REVIEW D | 2020年 / 101卷 / 09期
关键词：
D O I：
10.1103/PhysRevD.101.094022
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
We discuss the general properties of the B-meson decay form factors F(q(2), q'(2)), describing B-meson decays induced by two currents, e.g., B decays into four leptons in the final state. We study the analytic properties of these complicated objects and identify those regions of q(2) and q'(2), where perturbative QCD can be applied for obtaining predictions for the physical form factors.
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页数：8
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