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The European Physical Journal A

, Volume 31, Issue 4, pp 474–478 | Cite as

The Kπ and ππ S-wave amplitude from D-meson decays

  • A. C. dos ReisEmail author
QNP 2006
  • 30 Downloads

Abstract.

The issue of and ππ S-wave amplitude is addressed using decays of D-mesons. Model-independent measurements of the phases of the π + π + and K - π + S-wave amplitude from D +π - π + π + and D +K - π + π + decays are discussed. The result indicates a deviation from the phase of the K - π + S-wave amplitude obtained by scattering experiments. This could be interpreted as an indication of the presence of 3-body final-state interaction, or in other words, that the phases from production and scattering process cannot be directly compared.

PACS.

11.80.Et Partial-wave analysis 11.80.La Multiple scattering 13.30.Eg Hadronic decays 13.30.Ce Leptonic, semileptonic, and radiative decays 

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Copyright information

© Società Italiana di Fisica and Springer-Verlag 2007

Authors and Affiliations

  1. 1.Centro Brasileiro de Pesquisas FısicasRio de JaneiroBrazil

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