On the search for a narrow penta-quark Z$^+$ baryon in NN interactions

Details On the search for a narrow penta-quark Z$^+$ baryon in NN interactions On the search for a narrow penta-quark Z$^+$ baryon in NN interactions

1999-09-19

arxiv.org/abs/nucl-th/9909048v1

Eur.Phys.J. A9 (2000) 115-118

Physics

Nuclear Physics

Nuclear Theory

5 pages, espcrc2, including 3 ps-figures

Scientific paper

10.1007/s100500070061

The possibility for an observation of a narrow penta-quark $Z^+$ baryon in $NN$ reactions is discussed. It is shown that the $pp{\to}n\Sigma^+K^+$ reaction at excess energies around 100 MeV above threshold provides optimal conditions for $Z^+$ baryon detection by an analysis of the $nK^+$ invariant mass spectrum, if the $Z^+$ mass is located around 1.5 GeV involving a rather narrow width.

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