Prospects for detecting an $η_c'$ in two photon processes

Details Prospects for detecting an $η_c'$ in two photon processes Prospects for detecting an $η_c'$ in two photon processes

1996-05-10

arxiv.org/abs/hep-ph/9605278v1

Phys.Lett. B385 (1996) 391-394

Physics

High Energy Physics

High Energy Physics - Phenomenology

9 pages, LATEX format

Scientific paper

10.1016/0370-2693(96)00878-7

We argue that an experimental search for an $\eta_c'$, the first radial excitation of the $\eta_c(2980)$, may be carried out using the two photon process $e^+e^- \to e^+e^- \gamma \gamma \ra e^+e^-\eta_c'$. We estimate the partial width $\Gamma_{\gamma \gamma}(\eta_c')$ and the branching fraction $B(\eta_c' \to h)$, where $h$ is an exclusive hadronic channel, and find that for $h = K^o_s K^\pm \pi^\mp$ it may be possible to observe this state in two photon collisions at CLEO-II.

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