Analysis of the $X(1835)$ as a baryonium state with Bethe-Salpeter equation

Details Analysis of the $X(1835)$ as a baryonium state with Bethe-Salpeter equation Analysis of the $X(1835)$ as a baryonium state with Bethe-Salpeter equation

2010-06-10

arxiv.org/abs/1006.2000v2

Chin. Phys. Lett. 27 (2010) 101201

Physics

High Energy Physics

High Energy Physics - Phenomenology

7 pages, 1 figure, published version

Scientific paper

10.1088/0256-307X/27/10/101201

In this article, we take the X(1835) as a pseudoscalar baryonium state, and calculate the mass spectrum of the baryon-antibaryon bound states $p\bar{p}$, $\Sigma\bar{\Sigma}$, $\Xi\bar{\Xi}$, and $\Lambda\bar{\Lambda}$ in the framework of the Bethe-Salpeter equation with a phenomenological potential. The numerical results indicate the $p\bar{p}$, $\Sigma\bar{\Sigma}$ and $\Xi\bar{\Xi}$ bound states maybe exist, and the $X(1835)$ can be tentatively identified as the $p\bar{p}$ bound state.

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