期刊
EUROPEAN PHYSICAL JOURNAL A
卷 44, 期 3, 页码 479-486出版社
SPRINGER
DOI: 10.1140/epja/i2010-10972-4
关键词
-
资金
- DGICYT [FIS2006-03438]
- European Community [227431]
We determine the radiative decay amplitudes for the decay into D* and (D) over bar gamma, or (D) over bar gamma(s)* and s. of some of the charmonium- like states classified as X, Y, Z resonances, plus some other hidden charm states which are dynamically generated from the interaction of vector mesons with charm. The mass distributions as a function of the (D) over bar gamma or (D) over bar (s)gamma. invariant mass show a peculiar behavior as a consequence of the D* (D) over bar gamma* nature of these states. The experimental search of these magnitudes can shed light on the nature of these states.
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