paper

The process $\epem\to J/ ψX(3940)$ at GeV in the framework of light cone formalism

arXiv:hep-ph/0602232 · doi:10.1103/PhysRevD.74.094004

Abstract

This paper is devoted to the study of the process $\epem\to J/ψX(3940)$ in the framework of light cone formalism. In our calculation two hypotheses about the structure of X(3940) meson are considered: X(3940) is S state and X(3940) is one of P states. The former hypothesis leads to a good agreements with the cross section measured at the experiment. As to the latter one, it is proposed a mechanism that allows one to understand the suppression of 2P mesons production in hard processes.

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