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29 March 2024
 
  » arxiv » 1309.4303

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Y(4260): hadronic molecule versus hadro-charmonium interpretation
Qian Wang ; Martin Cleven ; Feng-Kun Guo ; Christoph Hanhart ; Ulf-G. Meißner ; Xiao-Gang Wu ; Qiang Zhao ;
Date 17 Sep 2013
AbstractIn this paper it is demonstrated that although the production of a (3/2)^+-(1/2)^- meson--anti-meson pair in e^+e^- collisions is suppressed in the heavy quark limit, it is not in conflict with such a scenario that the Y(4260) is dominated by a D_1ar D+c.c. molecular component. Especially, we confront both the hadronic molecule and the hadro-charmonium interpretations of the Y(4260) with the experimental facts. We conclude that the the data presently available support the Y(4260) being dominantly a D_1ar D+c.c. hadronic molecule while they challenge the hadro-charmonium interpretation.
Source arXiv, 1309.4303
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