Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
1848130 | Nuclear Physics B - Proceedings Supplements | 2007 | 4 Pages |
Abstract
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 relativistic corrections, it also clarifies some inconsistent treatment in previous potential model approach. The impact of our formalism on J/ψ→ηcγ is discussed.
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