Model-independent Study on Magnetic Dipole Transition in Heavy Quarkonium

Details Model-independent Study on Magnetic Dipole Transition in Heavy Quarkonium Model-independent Study on Magnetic Dipole Transition in Heavy Quarkonium

2006-01-20

arxiv.org/abs/hep-ph/0601173v2

Physics

High Energy Physics

High Energy Physics - Phenomenology

7 pages and 3 figures. Talk presented at QCD@Work 2005, Conversano, June 16-20, 2005 and QCD05, Montpellier, July 4-8, 2005

Scientific paper

10.1063/1.2163768

Some new results on magnetic dipole (M1) transitions in heavy quarkonium from nonrelativistic effective field theories of QCD are briefly reported. This model-independent approach not only facilitates a systematic and lucid way to investigate the relativistic corrections, it also clarifies some inconsistent treatment in previous potential model approach. The impact of our formalism on J/Psi -> eta_c gamma, Upsilon(Upsilon') -> eta_b gamma and h_c -> chi_{c0} gamma are discussed.

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