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

Buskulic, D. and Finch, Alexander (1995) Measurement of D(s)+ meson production in Z decays and of the anti-B(s)0 lifetime. Zeitschrift für Physik C Particles and Fields, 69 (1). pp. 585-595. ISSN 0170-9739

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Abstract

Ds+ mesons produced inZ0→bb events were separated from theZ0→cc component using a lifetime tag. Using a sample of 1.5 million hadronicZ decays collected with theAleph detector theBs0 andDs+ yields have been measured:B(b→B ¯ 0 s )B(B ¯ 0 s →D + s )=0.088±0.020(stat.) ±0.020(stat.) B(c→D + s )=0.088±0.020(stat.) +0.019 −0.016 (syst.) TheBs0 lifetime was measured in aBs0 enriched sample reconstructing the decay length from the vertex of theDs+ with a hadron from theBs0 decay. The result obtained is:τ B s =1.61 +0.30 −0.29 (stat.) +0.018 −0.016 (syst.) ps.

Item Type: Article
Journal or Publication Title: Zeitschrift für Physik C Particles and Fields
Subjects:
Departments: Faculty of Science and Technology > Physics
ID Code: 64069
Deposited By: ep_importer_pure
Deposited On: 09 May 2013 16:45
Refereed?: Yes
Published?: Published
Last Modified: 20 Sep 2017 06:28
Identification Number:
URI: http://eprints.lancs.ac.uk/id/eprint/64069

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