EFFECTIVE LAGRANGIAN FOR QUARKONIA AND LIGHT MESONS IN A SOFT-EXCHANGE-APPROXIMATION

被引：36

作者：

CASALBUONI, R

DEANDREA, A

DIBARTOLOMEO, N

GATTO, R

FERUGLIO, F

NARDULLI, G

机构：

[1] INFN,SEZ FIRENZE,I-50125 FLORENCE,ITALY

[2] UNIV GENEVA,DEPT PHYS THEOR,CH-1211 GENEVA 4,SWITZERLAND

[3] INFN,SEZ PADOVA,I-35131 PADUA,ITALY

[4] UNIV PADUA,DIPARTIMENTO FIS,I-35131 PADUA,ITALY

[5] UNIV BARI,DIPARTIMENTO FIS,I-70126 BARI,ITALY

[6] INFN,SEZ BARI,I-70126 BARI,ITALY

来源：

PHYSICS LETTERS B | 1993年 / 302卷 / 01期

关键词：

D O I：

10.1016/0370-2693(93)90641-T

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We present a heavy quark description of quarkonium states and an effective lagrangian describing those interactions with chiral bosons and photons which occur in a soft-exchange-approximation regime. The formalism is expected to be valid for an intermediate heavy quark mass (up to almost-equal-to 80 GeV) and is based on the approximate validity of the heavy quark spin symmetry and velocity superselection rule. Some applications to radiative and hadronic transitions are discussed.

引用

页码：95 / 102

页数：8

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