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MEASURING OF THE Z(0)BRANCHING FRACTION TO B QUARK PARIS USING THE BOOSTED SPHERICITY PRODUCT

Abstract:

From a sample of about 120 000 hadronic Z0 decays, using a technique based on a separation of the different event categories in the boosted sphericity product, the fraction of bb̄ decays has been measured to be 0.219 ± 0.014 (stat) ⋯ 0.019 (syst). Using the DELPHI determination of the hadronic Z0 width, this corresponds to a partial width Γbb- = 378 ± 42 MeV (in good agreement with the standard model prediction of ≃ 380 MeV). Combining this measurement with the determinations based on events ...

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Publication status:
Published

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Journal:
PHYSICS LETTERS B
Volume:
281
Issue:
3-4
Pages:
383-393
Publication date:
1992-05-14
DOI:
ISSN:
0370-2693
URN:
uuid:8217d3ca-e50d-408e-bf31-b62b2216310f
Source identifiers:
1762
Local pid:
pubs:1762
Language:
English

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