Advertisement

New parameterization of the trinucleon wave function and its application to the π 3He scattering length

  • V. Baru
  • J. Haidenbauer
  • C. Hanhart
  • J.A. Niskanen

Abstract:

We present a new parameterization of the trinucleon wave function. As a novel feature a separable parameterization for the complete wave function is given. In this way any calculation that considers two-body currents only is largely simplified. To demonstrate this we calculate the π3He scattering length in chiral-perturbation theory. We find reasonable agreement with experimental values inferred from data on level shifts in pionic 3He bound states. The relevance of the π-triton system for an alternative determination of the πN scattering lengths is discussed.

PACS. 25.80.Ls Pion inclusive scattering and absorption – 25.80.Hp Pion-induced reactions – 25.10.+s Nuclear reactions involving few-nucleon systems – 21.45.+v Few-body systems 

Preview

Unable to display preview. Download preview PDF.

Unable to display preview. Download preview PDF.

Copyright information

© Società Italiana di Fisica and Springer-Verlag 2003

Authors and Affiliations

  • V. Baru
    • 1
  • J. Haidenbauer
    • 1
  • C. Hanhart
    • 1
  • J.A. Niskanen
    • 2
  1. 1.Institut für Kernphysik, Forschungszentrum Jülich, D-52425 Jülich, GermanyDE
  2. 2.Department of Physical Sciences, P.O. Box 64, FIN-00014 University of Helsinki, FinlandFI

Personalised recommendations