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Measurement of triple gauge boson couplings at 172-GeV

Research output: Contribution to journalJournal article

Published

Journal publication date12/03/1998
JournalPhysics Letters B
Journal number1-4
Volume422
Number of pages15
Pages369-383
Original languageEnglish

Abstract

The triple gauge-boson couplings, αWΦ, αW and αBΦ, have been measured using 34 semileptonically and 54 hadronically decaying W+W− candidate events. The events were selected in the data recorded during 1996 with the ALEPH detector at 172 GeV, corresponding to an integrated luminosity of 10.65 pb−1. The triple gauge-boson couplings have been measured using optimal observables constructed from kinematic information of W+W− events. The results are in agreement with the Standard Model expectation.