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Measurement of the forward backward asymmetry of c and b quarks at the Z pole using reconstructed D mesons

Abstract:

A measurement of the forward-backward asymmetry of e+e- → cc̄ and e+e- → bb̄ on the Z resonance is performed using about 3.5 million hadronic Z decays collected by the DELPHI detector at LEP in the years 1992 to 1995. The heavy quark is tagged by the exclusive reconstruction of several D meson decay modes. The forward-backward asymmetries for c and b quarks at the Z resonance are determined to be: AcFB(√s = 91.235GeV) = 0.0659 ± 0.0094 (stat) ± 0.0035 (syst) AbFB(√s = 91.235 GeV) = 0.0762 ± 0...

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Publication status:
Published

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Publisher copy:
10.1007/s100520050584

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Journal:
EUROPEAN PHYSICAL JOURNAL C
Volume:
10
Issue:
2
Pages:
219-237
Publication date:
1999-09-05
DOI:
ISSN:
1434-6044
URN:
uuid:1fd90315-a472-447b-93b8-531cd0d56408
Source identifiers:
30630
Local pid:
pubs:30630
Language:
English

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