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DIRECT MEASUREMENT OF THE W-GAMMA COUPLING AT THE CERN PBARP COLLIDER

Abstract:
The process p̄p→evy+X is studied as √s=630 GeV The observed signal is used to extract a direct measurement of the parameters κ and λ which define the magnetic dipole and electric quadrupole moments of the W boson and therefore the WWγ coupling We find κ=1-2 2 +2 6 and λ=0-1 8 +1 7 and their 95% confidence limits - 3 5 < κ < 5 9 and -3 6 < λ < 3 5 The results are model independent and in good agreement with the standard model values, κ=1 and λ=0.
Publication status:
Published

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Publisher copy:
10.1016/0370-2693(92)90979-E

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Journal:
Physics Letters B More from this journal
Volume:
277
Issue:
1-2
Pages:
194-202
Publication date:
1992-02-27
DOI:
ISSN:
0370-2693


Pubs id:
pubs:7311
UUID:
uuid:04153186-934a-47cb-b77c-4d920a383182
Local pid:
pubs:7311
Source identifiers:
7311
Deposit date:
2012-12-19
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