The √mΛQCD scale in heavy quarkonium

被引:33
|
作者
Brambilla, N
Pineda, A
Soto, J
Vairo, A
机构
[1] Univ Milan, Ist Nazl Fis Nucl, I-20133 Milan, Italy
[2] Univ Milan, Dipartimento Fis, I-20133 Milan, Italy
[3] Dept Estructura & Constituents Mat, E-08028 Barcelona, Spain
[4] IFAE, E-08028 Barcelona, Spain
[5] CERN, Div Theory, CH-1211 Geneva 23, Switzerland
关键词
D O I
10.1016/j.physletb.2003.11.031
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
We investigate the effects produced by the three-momentum scale rootmLambdaQCD in the strong coupling regime of heavy quarkonium. We compute the leading non-vanishing contributions due to this scale to the masses and inclusive decay widths. We find that they may provide leading corrections to the S-wave decay widths but only subleading corrections to the masses. (C) 2003 Elsevier B.V. All rights reserved.
引用
收藏
页码:60 / 71
页数:12
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