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A measurement of the Ω^? lifetime

Authors:	M Bourquin RM Brown Y Chatelus JC Chollet A Degré D Froidevaux AR Fyfe CNP Gee J-M Gaillard WM Gibson P Igo-Kemenes PW Jeffreys B Merkel R Morand H Plothow J-P Repellin BJ Saunders SN Tovey

Institution:	1. H.H. Wills Physics Laboratory, University of Bristol, England;2. University of Geneva, Switzerland;4. Laboratoire de l''Accelerateur Linéaire, Orsay, France;5. Rutherford Laboratory, Chilton, Didcot, England;6. CRN, Division des Hautes Energies, Strasbourg, France;7. CERN, Geneva, Switzerland;8. University of Melbourne, Australia

Abstract:	In an experiment at the CERN-SPS charged-hyperon beam, a sample of $2500 Ω^{?} → ΛK^{?}$ decays has been collected at Ω^? momenta of 98.5 and 115 GeV/c. The Ω^? lifetime is found to be $τ_{Ω} = (0.822 ± 0.028) × 10^{?10} s$ .

Keywords:	Bristol-Geneva-Heidelberg-Orsay-Rutherford-Strasbourg Collaboration
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