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Measurements of R(b) with impact parameters and displaced vertices

Authors
  • Abe, K.
  • Abt, I.
  • Ahn, C.J.
  • Akagi, T.
  • Allen, N.J.
  • Ash, W.W.
  • Aston, D.
  • Baird, K.G.
  • Baltay, C.
  • Band, H.R.
  • Barakat, M.B.
  • Baranko, G.J.
  • Bardon, O.
  • Barklow, T.
  • Bazarko, A.O.
  • Ben-David, R.
  • Benvenuti, A.C.
  • Bienz, T.
  • Bilei, G.M.
  • Bisello, D.
  • And 198 more
Publication Date
May 01, 1995
Identifiers
DOI: 10.1103/PhysRevD.53.1023
OAI: oai:inspirehep.net:394980
Source
INSPIRE-HEP
Keywords
License
Unknown
External links

Abstract

We present measurements of Rb using the SLD at the SLC. The analyses use 2D and 3D impact parameter tags and a displaced 3D vertex tag which all exploit the small size and stability of the e+e− interaction point and the precision 3D CCD pixel vertex detector to achieve high bb¯-tagging efficiencies and purities. The combined measurement yields Rb=0.229±0.011 and is consistent with standard model predictions. © 1996 The American Physical Society.

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