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Measurement of the Bs(0) lifetime using semileptonic decays.

Abstract:
We report a measurement of the Bs(0) lifetime in the semileptonic decay channel Bs(0) --> Ds- mu+ nuX (and its charge conjugate), using approximately 0.4 fb(-1) of data collected with the D0 detector during 2002-2004. Using 5176 reconstructed Ds- mu+ signal events, we have measured the Bs(0) lifetime to be tau(Bs(0))=1.398+/-0.044(stat)(-0.025)(+0.028)(syst) ps. This is the most precise measurement of the Bs(0) lifetime to date.

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Publisher copy:
10.1103/physrevlett.97.241801

Authors



Journal:
Physical Review Letters More from this journal
Volume:
97
Issue:
24
Pages:
241801
Publication date:
2006-12-01
DOI:
EISSN:
1079-7114
ISSN:
0031-9007


Language:
English
Keywords:
Pubs id:
pubs:180031
UUID:
uuid:9ad409b8-8344-432e-a2fa-7a9cfcff8001
Local pid:
pubs:180031
Source identifiers:
180031
Deposit date:
2012-12-19

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