Approximate next-to-next-to-leading-order threshold resummation in heavy flavor decays

被引:18
作者
Aglietti, U [1 ]
Ricciardi, G
机构
[1] Univ Roma La Sapienza, Dipartimento Sci Fis, Rome, Italy
[2] Ist Nazl Fis Nucl, Sez Rome, Rome, Italy
[3] Univ Naples Federico II, Dipartimento Sci Fis, Naples, Italy
[4] Ist Nazl Fis Nucl, Sez Napoli, Naples, Italy
来源
PHYSICAL REVIEW D | 2002年 / 66卷 / 07期
关键词
D O I
10.1103/PhysRevD.66.074003
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
We present an approximate next-to-next-to-leading-order evaluation of the QCD form factor resumming large logarithmic perturbative contributions in semi-inclusive heavy flavor decays.
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页数:10
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