A New Measurement of the Cascade(c)+ Lifetime

Details A New Measurement of the Cascade(c)+ Lifetime A New Measurement of the Cascade(c)+ Lifetime

2001-10-01

arxiv.org/abs/hep-ex/0110002v2

Phys.Lett.B523:53-59,2001

Physics

High Energy Physics

High Energy Physics - Experiment

Submitted to PLB. 11 pages, 12 postscript figures (eps), uses elsart.cls

Scientific paper

10.1016/S0370-2693(01)01322-3

A precise determination of the charm-strange baryon Cascade(c)+ lifetime is presented. The data were accumulated by the Fermilab high-energy photoproduction experiment FOCUS. The measurement is made with 300 Cascade(c)+ --> Cascade- pi+ pi+ decays, 130 Cascade(c)+ --> Sigma+ K- pi+ decays, 45 Cascade(c)+ --> p K- pi+ decays and 58 Cascade(c)+ --> Lambda K- pi+ pi+ decays. The Cascade(c)+ lifetime is measured to be 0.439+/-0.022+/-0.009 ps.

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