First observation of the Xi- pi+ decay mode of the Xi0(1690) hyperon

Details First observation of the Xi- pi+ decay mode of the Xi0(1690) hyperon First observation of the Xi- pi+ decay mode of the Xi0(1690) hyperon

1997-10-23

arxiv.org/abs/hep-ex/9710024v1

Eur.Phys.J.C5:621-624,1998

Physics

High Energy Physics

High Energy Physics - Experiment

6 pages, Latex, 1 eps figure

Scientific paper

10.1007/s100520050304

We report the first observation of the Xi- pi+ decay mode of the Xi0(1690), confirming the existence of this resonance. The Xi0(1690) were produced by Sigma- of 345 Gev/c mean momentum in copper and carbon targets. The mass and width are close to those observed earlier for the Xi-(1690) in the Lambda K- decay channel. The product of inclusive production cross section and branching ratio is given relative to that of the Xi0(1530).

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