Possible new resonance at the $D^* {\bar D^*}$ threshold in $e^+e^-$ annihilation

Details Possible new resonance at the $D^* {\bar D^*}$ threshold in $e^+e^-$ annihilation Possible new resonance at the $D^* {\bar D^*}$ threshold in $e^+e^-$ annihilation

2006-08-16

arxiv.org/abs/hep-ph/0608179v1

Mod.Phys.Lett.A21:2779-2788,2006

Physics

High Energy Physics

High Energy Physics - Phenomenology

9 pages, 1 figure

Scientific paper

10.1142/S0217732306022195

We argue that the recent CLEO-c data on $e^+e^-$ annihilation into pairs of
charmed mesons at c.m. energy around 4.0 GeV are not well described by a single
resonance $\psi(4040)$, but can be better understood if there is an additional
narrow resonance with mass within few MeV from the $D^* {\bar D}^*$ threshold.

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