CORRECTIONS TO CHIRAL DYNAMICS OF HEAVY HADRONS - 1/M CORRECTION

被引:36
作者
CHENG, HY
CHEUNG, CY
LIN, GL
LIN, YC
YAN, TM
YU, HL
机构
[1] NATL CENT UNIV,DEPT PHYS,CHUNGLI 32054,TAIWAN
[2] CORNELL UNIV,FLOYD R NEWMAN LAB NUCL STUDIES,ITHACA,NY 14853
[3] SUNY STONY BROOK,INST THEORET PHYS,STONY BROOK,NY 11794
来源
PHYSICAL REVIEW D | 1994年 / 49卷 / 05期
关键词
D O I
10.1103/PhysRevD.49.2490
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
In earlier publications we have analyzed the strong and radiative decays of heavy hadrons in a formalism which incorporates both heavy-quark and chiral symmetries. In particular, we have derived a heavy-hadron chiral Lagrangian whose coupling constants are related by the heavy-quark flavor-spin symmetry arising from the QCD Lagrangian with infinitely massive quarks. In this paper, we reexamine the structure of the above chiral Lagrangian by including the effects of 1/m(Q) corrections in the heavy-quark effective theory. The relations among the coupling constants, originally derived in the heavy-quark limit, are modified by heavy-quark symmetry-breaking interactions in QCD. Some of the implications are discussed.
引用
收藏
页码:2490 / 2507
页数:18
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