Title
Production-rate and decay lifetime measurements of <tex>$B_{S}^{0}$</tex> mesons at LEP using <tex>$D_{s}$</tex> and <tex>$\phi$</tex> mesons Production-rate and decay lifetime measurements of <tex>$B_{S}^{0}$</tex> mesons at LEP using <tex>$D_{s}$</tex> and <tex>$\phi$</tex> mesons
Author
Faculty/Department
Faculty of Sciences. Biology
Faculty of Sciences. Physics
Publication type
article
Publication
Berlin ,
Subject
Physics
Source (journal)
Zeitschrift für Physik : C : particles and fields. - Berlin
Volume/pages
61(1994) :3 , p. 407-419
ISSN
0170-9739
ISI
A1994MZ68700005
Carrier
E
Target language
English (eng)
Full text (Publishers DOI)
Affiliation
University of Antwerp
Abstract
The study of the properties of inclusive production of D(s) mesons and of events in which a phi and a muon are present in the same jet provides two independent measurements of the probability, f(s)w, for a heavy quark to hadronize into a strange B or D meson. The data sample analysed corresponds to 243,000 hadronic Z0 decays. The combined value of these measurements is f(s)w=0.19+/-0.06+/-0.08. From the flight distance distributions of D(s) and of (phi-lepton) secondary vertices, with the lepton emitted at high transverse momentum relative to the jet axis, two values are obtained for the B(s)0 meson lifetime. Combining these measurements with a previous result based on the study of D(s)-mu events, the B(s)0 meson lifetime is measured to be: 0.96+/-0.37 ps.
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