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Study of anomalous couplings of gauge bosons in the reaction \(e^ - \gamma \to W^ - \nu \to \ell \bar \nu \nu\)

  • Elementary Particles and Fields
  • Theory
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Abstract

The possibility of observing an anomaly in triple interactions of a W boson and a photon in the process eγ → Wν is considered in the leptonic mode of W-boson decay. It is shown that, in some cases, the use of a bounded phase-space domain instead of the total phase space improves upper limits on the anomalous couplings. The estimates obtained in the above mode under conditions of the TESLA project are poorer than analogous current estimates for all modes of the e + e − channel.

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Authors and Affiliations

  1. Sobolev Institute of Mathematics, Siberian Division, RAS, pr. Koptyuga 4, Novosibirsk, 630090, Russia

    D. A. Anipko, I. F. Ginzburg & A. V. Pak

  2. Novosibirsk State University, ul. Pirogova 2, Novosibirsk, 630090, Russia

    D. A. Anipko, I. F. Ginzburg & A. V. Pak

Authors
  1. D. A. Anipko
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  2. I. F. Ginzburg
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  3. A. V. Pak
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__________

Translated from Yadernaya Fizika, Vol. 67, No. 12, 2004, pp. 2234–2240.

Original Russian Text Copyright © 2004 by Anipko, Ginzburg, Pak.

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Anipko, D.A., Ginzburg, I.F. & Pak, A.V. Study of anomalous couplings of gauge bosons in the reaction \(e^ - \gamma \to W^ - \nu \to \ell \bar \nu \nu\) . Phys. Atom. Nuclei 67, 2209–2215 (2004). https://doi.org/10.1134/1.1842301

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  • DOI: https://doi.org/10.1134/1.1842301

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