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Measurement of |Vcs| using W decays at LEP2

Abstract:
Decays of W± bosons, produced at LEP2, have been used to measure the |Vcs| element of the Cabibbo-Kobayashi-Maskawa matrix. Values for |Vcs| were extracted both from the measured hadronic branching ratio of W± decays and by tagging the flavour of hadronic jets produced in W± decays. Applying the two methods to the data collected during 1996 at energies of 161 and 172 GeV, DELPHI obtains |Vcs| = 0.091+0.15-0.14(stat) ± 0.05(syst). © 1998 Elsevier Science B.V. All rights reserved.

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Journal:
Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
Volume:
439
Issue:
1-2
Pages:
209-224
Publication date:
1998-10-29
DOI:
ISSN:
0370-2693
URN:
uuid:f43c09dc-a371-4cfb-97b9-13c5f6a1dd1b
Source identifiers:
345258
Local pid:
pubs:345258
Language:
English

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