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Measurement of B-s(0) Mixing Parameters from the Flavor-Tagged Decay B-s(0)-> J/psi phi

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  • V. M. Abazov
  • B. Abbott
  • M. Abolins
  • B. S. Acharya
  • M. Adams
  • T. Adams
  • E. Aguilo
  • S. H. Ahn
  • M. Ahsan
  • G. D. Alexeev
  • G. Alkhazov
  • A. Alton
  • G. Alverson
  • G. A. Alves
  • M. Anastasoaie
  • L. S. Ancu
  • T. Andeen
  • S. Anderson
  • B. Andrieu
  • M. S. Anzelc
  • Y. Arnoud
  • M. Arov
  • M. Arthaud
  • A. Askew
  • B. Asman
  • 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
  • A.-F. Barfuss
  • P. Bargassa
  • S. B. Beri
  • I. Bertram
  • C. Biscarat
  • G. Borissov
  • S. Burke
  • H. Fox
  • M. Johnson
  • P. Love
  • P. N. Ratoff
  • A. Sopczak
  • D0 Collaboration
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Article number241801
<mark>Journal publication date</mark>12/12/2008
<mark>Journal</mark>Physical review letters
Issue number24
Volume101
Number of pages7
<mark>State</mark>Published
<mark>Original language</mark>English

Abstract

From an analysis of the flavor-tagged decay B-s(0)-> J/psi phi we obtain the width difference between the B-s(0) light and heavy mass eigenstates, Delta Gamma(s)=0.19 +/- 0.07(stat)(-0.01)(+0.02)(syst) ps(-1), and the CP-violating phase, phi(s)=-0.57(-0.30)(+0.24)(stat)(-0.02)(+0.08)(syst). The allowed 90% CL intervals of Delta Gamma(s) and phi(s) are 0.06 <Delta Gamma(s)< 0.30 ps(-1) and -1.20 <phi(s)< 0.06, respectively. The data sample corresponds to an integrated luminosity of 2.8 fb(-1) accumulated with the D0 detector at the Fermilab Tevatron collider.

Bibliographic note

© 2008 The American Physical Society