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Radiative open charm decay of the Y(3940), Z(3930), X(4160) resonances

AuthorsOset, Eulogi ; Molina, Raquel ; Liang, W. H.
Issue Date3-Jun-2010
CitationEuropean Physical Journal A - Hadrons and Nuclei 44 (3): 479-486 (2010)
AbstractWe 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.
Publisher version (URL)http://dx.doi.org/10.1140/epja/i2010-10972-4
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