期刊
PHYSICAL REVIEW D
卷 101, 期 9, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevD.101.094022
关键词
-
资金
- joint RFBR/CNRS [19-52-15022]
- Italian Ministry of Research (MIUR) [PRIN 20172LNEEZ]
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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