HQ(Q)OVER-BAR-ET - AN EFFECTIVE THEORY APPROACH TO HEAVY QUARKONIA DECAYS

Citation
T. Mannel et Ga. Schuler, HQ(Q)OVER-BAR-ET - AN EFFECTIVE THEORY APPROACH TO HEAVY QUARKONIA DECAYS, Physics letters. Section B, 349(1-2), 1995, pp. 181-188
Citations number
31
Categorie Soggetti
Physics
Journal title
ISSN journal
03702693
Volume
349
Issue
1-2
Year of publication
1995
Pages
181 - 188
Database
ISI
SICI code
0370-2693(1995)349:1-2<181:H-AETA>2.0.ZU;2-8
Abstract
We discuss systems containing a heavy quark and a heavy antiquark in t he infinite mass limit of QCD. Studying the limit of equal velocities for both heavy particles, we formulate an effective theory approach to heavy quarkonia-like systems. The method is well suited to processes in which the two heavy quarks annihilate, such as electromagnetic and strong decays of charmonium and bottomonium and weak decays of B-c.