b-quark decay in the collinear approximation -: art. no. 077501

被引：0
|
作者：
Zeppenfeld, D [1 ]
机构：
[1] Univ Wisconsin, Dept Phys, Madison, WI 53706 USA
来源：
PHYSICAL REVIEW D | 2000年 / 61卷 / 07期
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中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
The semileptonic decay of a b quark, b --> cl nu, is considered in the relativistic limit where the decay products are approximately collinear. Analytic results for the double differential lepton energy distributions are given for finite charm-quark mass. Their use for the fast simulation of isolated lepton backgrounds from heavy quark decays is discussed.
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