FOCUS Document 742-v1

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A new measurement of the Xi_c^+ lifetime

Document #:
FOCUS-doc-742-v1
Document type:
Publication
Submitted by:
Jonathan A. Pellish
Updated by:
Jonathan A. Pellish
Document Created:
01 Oct 2001, 00:00
Contents Revised:
01 Oct 2001, 00:00
Metadata Revised:
20 Dec 2001, 14:15
Actually Revised:
25 Aug 2005, 14:13
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Abstract:
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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Journal References:
Published in Phys. Lett. B vol. 523 pg. 53.
Published in hep-ex/0110002.
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