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MEASUREMENT OF GAMMA(B(B)OVER-BAR)/GAMMA(HAD) USING IMPACT PARAMETER MEASUREMENTS AND LEPTON IDENTIFICATION

Abstract:

The partial decay width of the Z to {Mathematical expression} quark pairs has been measured by the DELPHI detector at LEP. b-hadrons, containing b-quarks, were tagged by leptons with high transverse momentum relative to the hadron or by tracks with large impact parameters to the primary vertex. The ratio of the numbers of events with a single such tag to those with two tags was used to estimate the efficiency of the method and to reduce the systematic uncertainty. Combining all methods, the v...

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Publication status:
Published

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Publisher copy:
10.1007/BF01556358

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Journal:
ZEITSCHRIFT FUR PHYSIK C-PARTICLES AND FIELDS More from this journal
Volume:
66
Issue:
3
Pages:
323-339
Publication date:
1995-04-01
DOI:
EISSN:
1434-6052
ISSN:
0170-9739
Language:
English
Pubs id:
pubs:5827
UUID:
uuid:f8b77e10-a339-4c9d-a518-ee351ddd1831
Local pid:
pubs:5827
Source identifiers:
5827
Deposit date:
2012-12-19

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