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Radiative tau decay into pion

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Zeitschrift für Physik C Particles and Fields

Abstract

The possibility of the experimental investigation of the radiative tau decay into pion is discussed including background conditions. The decay width is estimated to be Br(τ→v τ π γ)=0.15% (at the minimal registered photon energy 50 MeV). The contribution of the structural component is 10% of the total radiation. The main background is produced by photons from the τ→v τ π − π 0 decay. We investigate the angular and energy spectra of the decay products and analyse the background conditions. The kinematic region was found where the structural radiation dominates over background.

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Authors and Affiliations

  1. Laboratory of Nuclear Problems, Joint Institute for Nuclear Research, Head Post Office, P.O. Box 79, SU-101000, Moscow, USSR

    Yu. P. Ivanov, G. V. Mitselmakher & A. A. Osipov

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  1. Yu. P. Ivanov
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  2. G. V. Mitselmakher
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  3. A. A. Osipov
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Ivanov, Y.P., Mitselmakher, G.V. & Osipov, A.A. Radiative tau decay into pion. Z. Phys. C - Particles and Fields 50, 113–121 (1991). https://doi.org/10.1007/BF01558565

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  • DOI: https://doi.org/10.1007/BF01558565

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