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题名: Recalculation of QCD corrections to b->s gamma decay
作者: Gao, CS ;  Hu, JL ;  Lu, CD ;  Qiu, ZM
刊名: PHYSICAL REVIEW D
出版日期: 1995
卷号: 52, 期号:7, 页码:3978-3985
关键词: BBAR-MESON DECAY ;  B->S-GAMMA DECAY
学科分类: Physics
通讯作者: Gao, CS , CHINA CTR ADV SCI & TECHNOL,WORLD LAB,POB 8730,BEIJING 100080,PEOPLES R CHINA.
部门归属: BEIJING UNIV,DEPT PHYS,BEIJING 100871,PEOPLES R CHINA; ACAD SINICA,INST THEORET PHYS,BEIJING 100080,PEOPLES R CHINA; CHINESE ACAD SCI,GEN OFF,BEIJING,PEOPLES R CHINA
英文摘要: We give a more complete calculation of b --> s gamma decay, including leading log QCD corrections from m(t) to M(W) in addition to corrections from M(W) to m(b). We have included the full set of dimension-6 operators and corrected numerical mistakes of anomalous dimensions in a previous paper [14]. Compared with the calculations without QCD running from m(t) to M(W), the inclusive decay rate is found to be enhanced. At m(t) = 150 GeV, it results in a 12% enhancement, and for m(t) = 250 GeV, 15% is found. The total QCD effect makes an enhanced factor of 4.2 at m(t) = 150 GeV, and 3.2 for m(t) = 250 GeV.
收录类别: SCI
原文出处: 查看原文
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/11702
Appears in Collections:理论物理所1978-2010年知识产出_期刊论文

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Recommended Citation:
Gao, CS,Hu, JL,Lu, CD,et al. Recalculation of QCD corrections to b->s gamma decay[J]. PHYSICAL REVIEW D,1995,52(7):3978-3985.
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