D(s)+ mesons produced in Z(0) --> b (b) over bar events were separated from the Z(0) --> c (c) over bar component using a lifetime tag. Using a sample of 1.5 million hadronic Z decays collected with the ALEPH detector the (B) over bar(s)(0) and Ds(+) yields have been measured.The (B) over bar (s)(0) lifetime was measured in a anti B(s)(0) enriched sample reconstructing the decay length from the vertex of the D(s)+ with a hadron from the (B) over bar (s)(0) decay, The result obtained is: tau_B(s) =(1.61 + (+0.30 -0.29)(stat.) + (+0.18-0.16) (syst.)) ps.

D., B., D., C., I., D., D., D., P., G., C., G., et al. (1996). Measurement of D(s)+ meson production in Z decays and of the (B)over-bar(s)(0) lifetime. ZEITSCHRIFT FÜR PHYSIK. C, PARTICLES AND FIELDS, 69, 585-595 [10.1007/BF02907442].

Measurement of D(s)+ meson production in Z decays and of the (B)over-bar(s)(0) lifetime

CIOCCI, MARIA AGNESE;MARROCCHESI, PIER SIMONE;
1996-01-01

Abstract

D(s)+ mesons produced in Z(0) --> b (b) over bar events were separated from the Z(0) --> c (c) over bar component using a lifetime tag. Using a sample of 1.5 million hadronic Z decays collected with the ALEPH detector the (B) over bar(s)(0) and Ds(+) yields have been measured.The (B) over bar (s)(0) lifetime was measured in a anti B(s)(0) enriched sample reconstructing the decay length from the vertex of the D(s)+ with a hadron from the (B) over bar (s)(0) decay, The result obtained is: tau_B(s) =(1.61 + (+0.30 -0.29)(stat.) + (+0.18-0.16) (syst.)) ps.
1996
D., B., D., C., I., D., D., D., P., G., C., G., et al. (1996). Measurement of D(s)+ meson production in Z decays and of the (B)over-bar(s)(0) lifetime. ZEITSCHRIFT FÜR PHYSIK. C, PARTICLES AND FIELDS, 69, 585-595 [10.1007/BF02907442].
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11365/38133
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