Low Mass Exotic Baryons: Myth or Reality ?

Abstract

Using mainly $\vec{p}$ p $\to$ p ${\pi }^{+}X$ and $\vec{p}$ p $\to$ p${}_f$~p${}_s$ X reactions, narrow baryonic structures were observed in the mass range 950$\le$ M $\le$ 1800 MeV.

9 pages, 9 figures, 1 table, revtex, to be published in Proceedings of the XVI International Baldin Seminar on High Energy Physics Problems, Dubna 10-15 june 2002