English

Muon transverse polarization in the $K_{l2\gamma}$ decay in SM

High Energy Physics - Phenomenology 2009-11-07 v1
Authors: V. V. Braguta , A. E. Chalov , A. A. Likhoded
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Abstract

The muon transverse polarization in the K+→μ+νγK^+ \to \mu^+ \nu \gamma process induced by the electromagnetic final state interaction is calculated in the framework of Standard Model. It is shown that one loop contributions lead to a nonvanihing muon transverse polarization. The value of the muon transverse polarization averaged over the kinematical region of Eγ≥20E_\gamma \geq 20 MeV is equal to 5.63×10−45.63 \times 10^{-4}.

Keywords

muon transverse polarization K_{l2\gamma} decay electromagnetic final state interaction Standard Model one-loop contribution

Cite

@article{arxiv.hep-ph/0205203,
  title  = {Muon transverse polarization in the $K_{l2\gamma}$ decay in SM},
  author = {V. V. Braguta and A. E. Chalov and A. A. Likhoded},
  journal= {arXiv preprint arXiv:hep-ph/0205203},
  year   = {2009}
}

Comments

18 pages, 4 figures

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