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Constraints on anomalous QGC's in e+ e- interactions from 183-GeV to 209-GeV

Research output: Contribution to journalJournal article

Published

Journal publication date18/11/2004
JournalPhysics Letters B
Journal number1-3
Volume602
Number of pages10
Pages31-40
Original languageEnglish

Abstract

The acoplanar photon pairs produced in the reaction are analysed in the 700 pb−1 of data collected by the ALEPH detector at centre-of-mass energies between 183 and 209 GeV. No deviation from the Standard Model predictions is seen in any of the distributions examined. The resulting 95% C.L. limits set on the anomalous QGCs, , , and , are , , , , where Λ is the energy scale of the new physics responsible for the anomalous couplings.