Comments on QCD corrections to b->s gamma decay

被引:0
作者
Lu, CD [1 ]
Hu, JL [1 ]
Gao, CS [1 ]
机构
[1] BEIJING UNIV,DEPT PHYS,BEIJING 100871,PEOPLES R CHINA
关键词
D O I
10.1088/0253-6102/25/3/347
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
We find some errors in the previous calculation of leading log QCD corrections to b --> s gamma decay, which include corrections from m(top) to M(W) in addition to corrections from M(W) to m(b). The inclusive decay rate is found to be enhanced more than previous calculations. At m(t) = 170 GeV, the running from m(top) to M(W) results in 13% enhancement, and for m(t) = 250 GeV, 16% enhancement is found.
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页码:347 / 352
页数:6
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