Lepton Photon 543 Measurement of the Ξ + c Lifetime
نویسندگان
چکیده
The Ξc lifetime is measured using 9.0 fb −1 of ee annihilation data collected on and just below the Υ(4S) resonance with the CLEO II.V detector at CESR. The Ξc lifetime is measured using an unbinned maximum likelihood fit. The preliminary result for the Ξc lifetime is (503 ± 47(stat.)± 18(syst.)) fs. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Submitted to the International Europhysics Conference on High Energy Physics EPS HEP-2001 July 2001, Budapest Hungary and the XXth International Symposium on Lepton and Photon Interactions at High Energies Lepton-Photon July 2001, Rome Italy
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