Why the Theta+ is seen in some experiments and not in others - a possible explanation

Details Why the Theta+ is seen in some experiments and not in others - a possible explanation Why the Theta+ is seen in some experiments and not in others - a possible explanation

2004-05-03

arxiv.org/abs/hep-ph/0405002v4

Phys.Lett. B597 (2004) 309-313

Physics

High Energy Physics

High Energy Physics - Phenomenology

An experimental reference added. 8 pages, LaTeX, no figures

Scientific paper

10.1016/j.physletb.2004.07.027

The contradiction between evidence for and against the existence of the Theta+ pentaquark might be resolved if it only appears as a result of a particular production mechanism which is present in some experiments and absent in others. We examine the implications of Theta+ production via decay of a cryptoexotic N* resonance with a mass of about 2.4 GeV corresponding to a peak in the experimental data for the invariant mass of the (Theta+,K-) system. Further experimental checks are suggested.

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