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Charge asymmetries in \gamma\gamma \to \ell^+\ell^-+ \nu's (\ell=\mu, e) with polarized photons in the Standard Model

Authors
  • Anipko, D. A.
  • Cannoni, M.
  • Ginzburg, I. F.
  • Kanishev, K. A.
  • Pak, A. V.
  • Panella, O.
Type
Published Article
Publication Date
Dec 16, 2008
Submission Date
Jun 10, 2008
Identifiers
DOI: 10.1103/PhysRevD.78.093009
Source
arXiv
License
Yellow
External links

Abstract

It is shown that in reaction \gamma\gamma\to\ell^+\ell^-+\nu's at \sqrt{s}>200 GeV with polarized photons, large and well observable differences arise in the distribution of positive and negative charged leptons (\ell=\mu^\pm, e^\pm), (charge asymmetry). The modification due to the contribution of the cascade processes with intermediate \tau-lepton in \gamma \gamma \to W^\pm\ell^\mp + \nu's reaction is taken into account. This charge asymmetry is potentially sensitive to effects of physics beyond the standard model at the anticipated luminosity of the Photon Collider mode of the future international linear collider.

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