Study of B → πlνl and B+ → η(′)l+νl decays and determination of |Vub|

被引：7
作者：
Gonzalez-Solis, Sergi [1 ]
Masjuan, Pere [2 ,3 ]
机构：
[1] Chinese Acad Sci, Inst Theoret Phys, CAS Key Lab Theoret Phys, Beijing 100190, Peoples R China
[2] Univ Autonoma Barcelona, Dept Fis, Grp Fis Teor, E-08193 Bellaterra, Barcelona, Spain
[3] BIST, IFAE, Campus UAB, E-08193 Bellaterra, Barcelona, Spain
来源：
PHYSICAL REVIEW D | 2018年 / 98卷 / 03期
关键词：
SEMILEPTONIC DECAYS; HEAVY;
D O I：
10.1103/PhysRevD.98.034027
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
We reassess the B -> pi l nu(l) differential branching ratio distribution experimental data released by the BABAR and Belle Collaborations supplemented with all lattice calculations of the B -> pi form factor shape available to date obtained by the HPQCD, FNAL/MILC, and RBC/UKQCD Collaborations. Our study is based on the method of Pade approximants and includes a detailed scrutiny of each individual data set that allows us to obtain vertical bar V-ub vertical bar = 3.51(8)(stat)(7)(syst) x 10(-3). The semileptonic B+ -> eta(('))l(+)nu(l) decays are also addressed and the eta-eta' mixing discussed.
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页数：18
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