Combined SLD Measurement of Ab at the Z0 Resonance using Various Techniques

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We present a new preliminary combination of measurements of the parity-violation parameter A<sub>b</sub> made by the SLD collaboration using various experimental techniques. The techniques differ in detail, but in general a sample of b anti-b events is selected or enhanced by using the topologically reconstructed mass of the separated vertices formed by decaying B hadrons. The direction of the b(anti-b) quark is signed by one of four final state tags: jet charge, vertex charge, leptons, or identified K<sup>=</sup> from the b vertex. We account for statistical and systematic correlations between the four analyses to arrive at our combined result: A<sub>b</sub> ... continued below

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Crawford, Glen D July 27, 1999.

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We present a new preliminary combination of measurements of the parity-violation parameter A<sub>b</sub> made by the SLD collaboration using various experimental techniques. The techniques differ in detail, but in general a sample of b anti-b events is selected or enhanced by using the topologically reconstructed mass of the separated vertices formed by decaying B hadrons. The direction of the b(anti-b) quark is signed by one of four final state tags: jet charge, vertex charge, leptons, or identified K<sup>=</sup> from the b vertex. We account for statistical and systematic correlations between the four analyses to arrive at our combined result: A<sub>b</sub> = 0.905 ± 0.017(stat) ± 0.020(syst).

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  • Other: DE00010212
  • Report No.: SLAC-PUB-8211
  • Grant Number: AC03-76SF00515
  • DOI: 10.2172/10212 | External Link
  • Office of Scientific & Technical Information Report Number: 10212
  • Archival Resource Key: ark:/67531/metadc620132

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  • July 27, 1999

Added to The UNT Digital Library

  • June 16, 2015, 7:43 a.m.

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  • Oct. 26, 2016, 1:29 p.m.

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Crawford, Glen D. Combined SLD Measurement of Ab at the Z0 Resonance using Various Techniques, report, July 27, 1999; Menlo Park, California. (digital.library.unt.edu/ark:/67531/metadc620132/: accessed October 19, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.