Measurement of the B Hadron Lifetime PDF Download
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Author: ALEPH.
Publisher:
ISBN:
Category :
Languages : en
Pages : 13
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Author: ALEPH.
Publisher:
ISBN:
Category :
Languages : en
Pages : 13
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Author: Renʹe Ashwin Ong
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Category : Hadrons
Languages : en
Pages : 266
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Author: Stefan Bernard Gromoll
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Category :
Languages : en
Pages : 120
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Author:
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Category :
Languages : en
Pages : 10
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The average B hadron lifetime was measured using data collected with the SLD detector at the SLC in 1993. From a sample of -50,000 Z° events, a sample enriched in Z° → b{bar b} was selected by applying an impact parameter tag. The lifetime was extracted from the decay length distribution of inclusive vertices reconstructed in three dimensions. A binned maximum likelihood method yielded an average B hadron lifetime of?{sub B} = 1.577±0.032(stat.)±0.046(syst.) ps.
Author:
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Category :
Languages : en
Pages : 10
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Author: David Robert Muller
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Category : Hadrons
Languages : en
Pages : 486
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Author: Colum Owen Higgins
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Category :
Languages : en
Pages :
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Author: Sumit Sen
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Category :
Languages : en
Pages : 280
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Author:
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Category :
Languages : en
Pages : 5
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Using data taken by the Mark II detector at PEP, the decays of B hadrons are tagged by identifying leptons at high transverse momentum. By means of a precision inner drift chamber, the impact parameters of these leptons are measured with respect to the B production point. From this impact parameter distribution, the B hadron lifetime is found to be 0.98 +- 0.12 +- 0.13 ps. This measurement can be used to place constraints models of quark mixing. 11 refs., 2 figs., 2 tabs.
Author: Denis J. Dumas
Publisher:
ISBN:
Category :
Languages : en
Pages : 402
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