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The European Physical Journal C
ISSN: 1434-6044 (printed version)
ISSN: 1434-6052 (electronic version)
Abstract Volume 1 Issue 1/2 (1998) pp 177-190
theoretical physics:
Anomalous three gauge boson couplings in $e^+e^-\to W^+W^-$ and "optimal" strategies for their measurement
M. Diehl (1) (a), O. Nachtmann (2)
(1) Department of Applied Mathematics and Theoretical Physics, Silver Street, Cambridge CB3 9EW, Great Britain (e-mail: diehl@pth.polytechnique.fr)
(2) Institut für Theoretische Physik, Philosophenweg 16, D-69120 Heidelberg, Germany (e-mail: O.Nachtmann@thphys.uni-heidelberg.de)
Received: 31 January 1997 / Revised version: 14 April 1997
Abstract. We discuss how to measure anomalous $WWZ$- and $WW\gamma$-couplings with minimal statistical error using integrated observables, without having to assume that the anomalous couplings are small. We propose a parametrisation of these couplings which is well suited for the extraction of both single and many parameters, and which leads to a very simple form of the integrated cross section, from which additional information on the couplings can be obtained.
(a) Present address: Centre de Physique Théorique Unité propre 14 du CNRS, Ecole Polytechnique, F-91128 Palaiseau Cedex, France
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Online publication: December 11, 1997
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