Complete gluon bremsstrahlung corrections to the process b→sl+l- -: art. no. 034009

被引：61
|
作者：
Asatryan, HH
Asatrian, HM
Greub, C
Walker , M
机构：
[1] Yerevan Phys Inst, Yerevan 375036, Armenia
[2] Univ Bern, Inst Theoret Phys, CH-3012 Bern, Switzerland
来源：
PHYSICAL REVIEW D | 2002年 / 66卷 / 03期
关键词：
D O I：
10.1103/PhysRevD.66.034009
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
In a recent paper, we presented a calculation of the O(alpha(s)) virtual corrections to b-->sl(+)l(-) and of those bremsstrahlung terms that are needed to cancel the infrared divergences. In the present paper we work out the remaining O(alpha(s)) bremsstrahlung corrections to b-->sl(+)l(-), which do not suffer from infrared and collinear singularities. These new contributions turn out to be small numerically. In addition, we also investigate the impact of the definition of m(c) on the numerical results.
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页数：11
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