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29 March 2024
 
  » arxiv » hep-ph/0507050

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X(1835): A Possible Baryonium?
Shi-Lin Zhu ; Chong-Shou Gao ;
Date 5 Jul 2005
Subject hep-ph hep-ex nucl-ex nucl-th
AbstractWe point out that (1) the large $par p$ coupling and suppressed mesonic coupling of X(1835) and (2) the suppression of the three-body strange final states strongly indicate that X(1835) may be a $par p$ baryonium. We also point out that the branching ratio of $X(1835) oeta pipi$ should be bigger than that of $X(1835) oeta^prime pipi$. If BES further confirms the non-observation of X(1835) in the $etapipi$ channel, that will be very puzzling. Finally, X(1835) may be used a tetraquark generator if X(1835) is really established as a baryonium state.
Source arXiv, hep-ph/0507050
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