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Rev. Mod. Phys. 80, 1161–1193 (2008)

Quarkonia and their transitions

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Estia Eichten
Fermilab, P.O. Box 500, Batavia, Illinois 60510, USA

Stephen Godfrey
Ottawa Carleton Institute for Physics, Department of Physics, Carleton University, 1125 Colonel By Drive, Ottawa, ON K1S 5B6, Canada

Hanna Mahlke
Laboratory for Elementary-Particle Physics, Cornell University, Ithaca, New York 14853, USA

Jonathan L. Rosner
Enrico Fermi Institute and Department of Physics, University of Chicago, 5640 South Ellis Avenue, Chicago, Illinois 60637, USA

Published 19 September 2008

Valuable data on quarkonia (the bound states of a heavy quark Q=c,b and the corresponding antiquark) have recently been provided by a variety of sources, mainly e+e− collisions, but also hadronic interactions. This permits a thorough updating of the experimental and theoretical status of electromagnetic and strong transitions in quarkonia. The QQ̅ transitions to other QQ̅ states are discussed, with some reference to processes involving QQ̅ annihilation.

© 2008 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/RevModPhys.80.1161
DOI:
10.1103/RevModPhys.80.1161
PACS:
13.20.Gd, 13.25.Gv, 14.40.Gx, 13.40.Hq
 
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