REMARKS ON THE HEAVY-QUARK SYMMETRY IN THE COMPLEX-PLANE

被引：8
|
作者：
BALL, P
DOSCH, HG
SHIFMAN, MA
机构：
[1] CERN,CH-1211 GENEVA 23,SWITZERLAND
[2] UNIV HEIDELBERG,INST THEORET PHYS,W-6900 HEIDELBERG,GERMANY
[3] UNIV MINNESOTA,INST THEORET PHYS,MINNEAPOLIS,MN 55455
来源：
PHYSICAL REVIEW D | 1993年 / 47卷 / 09期
关键词：
D O I：
10.1103/PhysRevD.47.4077
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
Hadronic systems built from a heavy quark and a cloud of light quarks and massless gluons possess the Isgur-Wise symmetry resulting in certain relations between various form factors. These relations cannot be valid in the entire complex plane. We identify contributions which unavoidably violate strongly the symmetry in the timelike domain near thresholds. A possible connection with the heavy-quark phenomenology is discussed in brief.
引用
收藏
页码：4077 / 4083
页数：7
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