HEAVY-QUARK SYMMETRY, CHIRAL-SYMMETRY, AND PARITY DOUBLETS OF HEAVY MESONS IN THE BETHE-SALPETER APPROACH

被引：3
|
作者：
HUANG, CS [1 ]
机构：
[1] ACAD SINICA,INST THEORET PHYS,BEIJING 100080,PEOPLES R CHINA
来源：
PHYSICAL REVIEW D | 1995年 / 51卷 / 03期
关键词：
D O I：
10.1103/PhysRevD.51.1243
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
It is shown that there must exist degenerate parity doublets of heavy mesons with arbitrary spin if QCD possesses both heavy quark and chiral symmetries. The chiral symmetric pahase and chiral broken phase can be dynamically turned in the Bethe-Salpeter approach. In the chiral broken phase the mass splittings of the parity doublets can be calculated and they are proportional to the constituent mass m of the light quark to order m/Λχ. © 1995 The American Physical Society.
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页码：1243 / 1247
页数：5
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