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Measurement of the Bs0 lifetime using semileptonic decays

  • V. M. Abazov
  • , B. Abbott
  • , M. Abolins
  • , B. S. Acharya
  • , M. Adams
  • , T. Adams
  • , M. Agelou
  • , J. L. Agram
  • , S. H. Ahn
  • , M. Ahsan
  • , G. D. Alexeev
  • , G. Alkhazov
  • , A. Alton
  • , G. Alverson
  • , G. A. Alves
  • , M. Anastasoaie
  • , T. Andeen
  • , S. Anderson
  • , B. Andrieu
  • , M. S. Anzelc
  • Y. Arnoud, M. Arov, A. Askew, B. Åsman, A. C.S. Assis Jesus, O. Atramentov, C. Autermann, C. Avila, C. Ay, F. Badaud, A. Baden, L. Bagby, B. Baldin, D. V. Bandurin, P. Banerjee, S. Banerjee, E. Barberis, P. Bargassa, P. Baringer, C. Barnes, J. Barreto, J. F. Bartlett, U. Bassler, D. Bauer, A. Bean, M. Begalli, M. Begel, C. Belanger-Champagne, A. Bellavance, J. A. Benitez, S. B. Beri, G. Bernardi, R. Bernhard, L. Berntzon, I. Bertram, M. Besançon, R. Beuselinck, V. A. Bezzubov, P. C. Bhat, V. Bhatnagar, M. Binder, C. Biscarat, K. M. Black, I. Blackler, G. Blazey, F. Blekman, S. Blessing, D. Bloch, K. Bloom, U. Blumenschein, A. Boehnlein, O. Boeriu, T. A. Bolton, F. Borcherding, G. Borissov, K. Bos, T. Bose, A. Brandt, R. Brock, G. Brooijmans, A. Bross, D. Brown, N. J. Buchanan, D. Buchholz, M. Buehler, V. Buescher, S. Burdin, S. Burke, T. H. Burnett, E. Busato, C. P. Buszello, J. M. Butler, S. Calvet, J. Cammin, S. Caron, M. A. Carrasco-Lizarraga, W. Carvalho, B. C.K. Casey, N. M. 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Zieminski, V. Zutshi, E. G. Zverev
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Research output: Contribution to journalArticlepeer-review

159 Citations (Scopus)

Abstract

We report a measurement of the Bs0 lifetime in the semileptonic decay channel Bs0→Ds-μ+νX (and its charge conjugate), using approximately 0.4fb-1 of data collected with the D0 detector during 2002-2004. Using 5176 reconstructed Ds-μ+ signal events, we have measured the Bs0 lifetime to be τ(Bs0)=1.398±0.044(stat)-0.025+0.028(syst)ps. This is the most precise measurement of the Bs0 lifetime to date.

Original languageEnglish
Article number241801
JournalPhysical Review Letters
Volume97
Issue number24
DOIs
Publication statusPublished - 18 Dec 2006
Externally publishedYes

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