The lifetime of the Bs 0 has been measured in a data sample of 8890000 hadronic events recorded with the ALEPH detector at LEP. After background subtraction 30.8 ± 6.9 events are attributed to the semileptonic decay of the Bs 0 to a Ds - and an opposite-sign lepton. A maximum-likelihood fit to the distribution of the proper times of these events yields a Bs 0 lifetime of τBs = 1.92-0.35 +0.45 ± 0.04 ps.

Buskulic, D., Debonis, I., Decamp, D., Ghez, P., Goy, C., Lees, J., et al. (1994). Measurement of the Bs 0 lifetime. PHYSICS LETTERS. SECTION B, 322(3), 275-286 [10.1016/0370-2693(94)91120-7].

Measurement of the Bs 0 lifetime

CARPINELLI, Massimo;
1994

Abstract

The lifetime of the Bs 0 has been measured in a data sample of 8890000 hadronic events recorded with the ALEPH detector at LEP. After background subtraction 30.8 ± 6.9 events are attributed to the semileptonic decay of the Bs 0 to a Ds - and an opposite-sign lepton. A maximum-likelihood fit to the distribution of the proper times of these events yields a Bs 0 lifetime of τBs = 1.92-0.35 +0.45 ± 0.04 ps.
Articolo in rivista - Articolo scientifico
DECAYS; LEP; BS;
English
275
286
12
Buskulic, D., Debonis, I., Decamp, D., Ghez, P., Goy, C., Lees, J., et al. (1994). Measurement of the Bs 0 lifetime. PHYSICS LETTERS. SECTION B, 322(3), 275-286 [10.1016/0370-2693(94)91120-7].
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/10281/390397
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