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Recalculation of QCD corrections to b->s gamma decay
Gao, CS; Hu, JL; Lu, CD; Qiu, ZM; Gao, CS , CHINA CTR ADV SCI & TECHNOL,WORLD LAB,POB 8730,BEIJING 100080,PEOPLES R CHINA.
1995
发表期刊PHYSICAL REVIEW D
ISSN0556-2821
卷号52期号:7页码:3978-3985
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.
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
关键词Bbar-meson Decay B->s-gamma Decay
学科领域Physics
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收录类别SCI
文献类型期刊论文
条目标识符http://ir.itp.ac.cn/handle/311006/11702
专题理论物理所1978-2010年知识产出
通讯作者Gao, CS , CHINA CTR ADV SCI & TECHNOL,WORLD LAB,POB 8730,BEIJING 100080,PEOPLES R CHINA.
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GB/T 7714
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.
APA Gao, CS,Hu, JL,Lu, CD,Qiu, ZM,&Gao, CS , CHINA CTR ADV SCI & TECHNOL,WORLD LAB,POB 8730,BEIJING 100080,PEOPLES R CHINA..(1995).Recalculation of QCD corrections to b->s gamma decay.PHYSICAL REVIEW D,52(7),3978-3985.
MLA Gao, CS,et al."Recalculation of QCD corrections to b->s gamma decay".PHYSICAL REVIEW D 52.7(1995):3978-3985.
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