A high statistics measurement of the Ds+ lifetime from the Fermilab fixed-target FOCUS photoproduction experiment is presented. We describe the analysis of the two decay modes, Ds+→(1020)π+ and Ds+→K̄ *(892)0K+, used for the measurement. The measured lifetime is 507.4±5.5(stat)±5.1(syst)fs using 8961±105 Ds+→(1020)π+ and 4680±90 Ds+→K̄*(892)0K+ decays. This is a significant improvement over the present world average.

Link, J., Yager, P., Anjos, J., Bediaga, I., Castromonte, C., Machado, A., et al. (2005). Measurement of the Ds+ lifetime. PHYSICAL REVIEW LETTERS, 95(5) [10.1103/PhysRevLett.95.052003].

Measurement of the Ds+ lifetime

Moroni L.;Gianini G.;
2005

Abstract

A high statistics measurement of the Ds+ lifetime from the Fermilab fixed-target FOCUS photoproduction experiment is presented. We describe the analysis of the two decay modes, Ds+→(1020)π+ and Ds+→K̄ *(892)0K+, used for the measurement. The measured lifetime is 507.4±5.5(stat)±5.1(syst)fs using 8961±105 Ds+→(1020)π+ and 4680±90 Ds+→K̄*(892)0K+ decays. This is a significant improvement over the present world average.
Articolo in rivista - Articolo scientifico
Decay (organic); Fermi level
English
2005
95
5
052003
none
Link, J., Yager, P., Anjos, J., Bediaga, I., Castromonte, C., Machado, A., et al. (2005). Measurement of the Ds+ lifetime. PHYSICAL REVIEW LETTERS, 95(5) [10.1103/PhysRevLett.95.052003].
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/10281/455482
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