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Exclusive semileptonic heavy meson decays including lepton mass effects

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Zeitschrift für Physik C Particles and Fields

Abstract

We discuss the exclusive semi-leptonic (s.l.) bottom meson decaysB→D(D *)+l+v where we include non-zero lepton mass effects in the kinematics and dynamics. We develop the general formalism for the non-zero lepton mass case. We then look at how rates, spectra and angular correlations are affected by non-zero lepton masses in the context of a specific spectator quark model. Numerical results are presented for s.l. decays involving thee-, μ- and τ-leptons. We also discuss the s.l. decaysB→π(ρ),D→K(K *) and the free quark decay model.

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Authors and Affiliations

  1. Institut für Physik, Universität, Staudinger Weg 7, D-6500, Mainz, Federal Republic of Germany

    J. G. Körner

  2. II. Institut für Theoretische Physik, Universität, Luruper Chaussee 149, D-2000, Hamburg 50, Federal Republic of Germany

    G. A. Schuler

Authors
  1. J. G. Körner
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  2. G. A. Schuler
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Supported by Bundesministerium für Forschung und Technologie, 054HH 92P/3 Bonn, FRG

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Körner, J.G., Schuler, G.A. Exclusive semileptonic heavy meson decays including lepton mass effects. Z. Phys. C - Particles and Fields 46, 93–109 (1990). https://doi.org/10.1007/BF02440838

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  • DOI: https://doi.org/10.1007/BF02440838

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