The process $\epem\to J/ ψX(3940)$ at $\sqrt s = 10.6$ GeV in the framework of light cone formalism

Details The process $\epem\to J/ ψX(3940)$ at $\sqrt s = 10.6$ GeV in the framework of light cone formalism The process $\epem\to J/ ψX(3940)$ at $\sqrt s = 10.6$ GeV in the framework of light cone formalism

2006-02-26

arxiv.org/abs/hep-ph/0602232v2

Phys.Rev.D74:094004,2006

Physics

High Energy Physics

High Energy Physics - Phenomenology

minor changes

Scientific paper

10.1103/PhysRevD.74.094004

This paper is devoted to the study of the process $\epem\to J/\psi X(3940)$ in the framework of light cone formalism. In our calculation two hypotheses about the structure of X(3940) meson are considered: X(3940) is $3^1$S$_0$ state and X(3940) is one of $2^3$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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