Single W production in e−γ collisions through the decay lepton spectrum to probe γWW couplings

The effect of an anomalous γWW coupling in the e  −  γ → process through the angular and energy spectrum of the secondary leptons is investigated. Within the narrow-width-approximation (NWA), a semianalytical study of the secondary lepton energy angle double distribution is considered. Different obs...

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Bibliographic Details
Published inPramāṇa Vol. 79; no. 5; pp. 1247 - 1250
Main Authors KUMAR, SATENDRA, POULOSE, P
Format Journal Article
LanguageEnglish
Published India Springer-Verlag 01.11.2012
Subjects
Astronomy
Astrophysics and Astroparticles
Observations and Techniques
Physics
Physics and Astronomy
14.70.-e
coupling
12.15.-y
Electron–photon collision
14.70.Fm
boson
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Summary:The effect of an anomalous γWW coupling in the e  −  γ → process through the angular and energy spectrum of the secondary leptons is investigated. Within the narrow-width-approximation (NWA), a semianalytical study of the secondary lepton energy angle double distribution is considered. Different observables constructed using this distribution are expected to be very effective to probe the anomalous coupling at a typical International Linear Collider machine. Further, suitable combinations of these observables could be used to disentangle the effect of contributions from different terms in the effective Lagrangian.
ISSN:0304-4289
0973-7111
DOI:10.1007/s12043-012-0433-z