The width of the \xi(2230) meson

Abstract

A lower bound of 135 MeV for the width of the \xi meson is obtained from analyzing the pp and pbar-p interactions by use of Regge theory. The pp data exclude a narrow \xi as the latter would lead to total pbar-p cross sections far exceeding the measured ones. The broad width explains why the \xi may not be seen in pbarp-p experiments.

Comments: 8 pages with 1 figure