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Measurement of the B-s(0) lifetime and study of B-s(0)-(B-s(0))over-bar oscillations using D(s)l events

Abstract:

Lifetime and oscillations of B0s mesons have been studied in events with a large transverse momentum lepton and a Ds of opposite electric charge in the same hemisphere, selected from about, 3.6 million hadronic Z0 decays accumulated by DELPHI between 1992 and 1995. The B0s lifetime and the fractional width difference between the two physical B0s states have been found to be: τB0s = (1.42+0.14-0.13(stat.) ± 0.03(syst.)) ps ΔΓB0s/ΓB0s < 0.46 at the 95% C.L. In the latter result it has been a...

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Publication status:
Published

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Publisher copy:
10.1007/s100520000415

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Journal:
EUROPEAN PHYSICAL JOURNAL C More from this journal
Volume:
16
Issue:
4
Pages:
555-578
Publication date:
2000-09-01
DOI:
ISSN:
1434-6044
Language:
English
Pubs id:
pubs:15258
UUID:
uuid:e75d8682-a58c-4861-a934-a4aa78d94d7b
Local pid:
pubs:15258
Source identifiers:
15258
Deposit date:
2012-12-19

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