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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.
|Additional Information:||© 1996 The American Physical Society. Received 11 May 1995. We thank the staff of the SLC for their efforts in the challenging task of bringing submicrometer-sized stable colliding beams to the SLD for a unique physics program. We thank the technical staff at the collaborating institutions for their valiant support in the construction and maintenance of the SLD. This work was supported by Department of Energy Contracts Nos. DE-FG02-91ER40676 (BU), DEFG03-92ER40701 (CIT), DE-FG03-91ER40618 (UCSB), DE-FG03-92ER40689 (UCSC), DE-FG03-93ER40788 (CSU), DE-FG02-91ER40672 (Colorado), DE-FG02-91ER40677 (Illinois), DE-AC03-76SF00098 (LBL), DE-FG02-92ER40715 (Massachusetts), DE-AC02-76ER03069 (MIT), DE-FG06-85ER40224 (Oregon), DE-AC03-76SF00515 (SLAC), DE-FG05-91ER40627 (Tennessee), DE-AC02-76ER00881 (Wisconsin), DE-FG02-92ER40704 (Yale); National Science Foundation grants: PHY-91-13428 (UCSC), PHY-8921320 (Columbia), PHY-92-04239 (Cincinnati), PHY-88-17930 (Rutgers), PHY-88-19316 (Vanderbilt), PHY-92-03212 (Washington); the UK Science and Engineering Research Council (Brunel and RAL); the Istituto Nazionale di Fisica Nuclear of Italy (Bologna, Ferrara, Frascati, Pisa, Padova, Perugia); and the Japan-US Cooperative Research Project on High Energy Physics (Nagoya, Tohoku).|
|Subject Keywords:||LUND MONTE-CARLO; HADRONIC DECAYS; RADIATIVE-CORRECTIONS; B-QUARK; INCLUSIVE PRODUCTION; JET FRAGMENTATION; STANDARD MODEL; E+E-PHYSICS; Z-RESONANCE; MESONS|
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|Deposited By:||Tony Diaz|
|Deposited On:||06 Feb 2009 00:58|
|Last Modified:||26 Dec 2012 10:45|
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