Isospin Dependence of Pion Absorption on He3

Phys. Rev. Lett. 49, 1079 – Published 11 October 1982
T. -S. H. Lee and K. Ohta


It is shown that the strong isospin dependence observed in pion absorption on He3 can be described by the two-body mechanism πNNΔNNN. The effect of the three-body mechanism is also calculated but found to be negligibly small. The ΔNNN dynamics consistently determined from NN inelasticities is shown to be essential to understand the isospin dependence.


  • Received 4 August 1982
  • Published in the issue dated 11 October 1982

© 1982 The American Physical Society

Authors & Affiliations

T. -S. H. Lee

  • Argonne National Laboratory, Argonne, Illinois 60439

K. Ohta*

  • Center for Theoretical Physics, Laboratory for Nuclear Science and Department of Physics, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139

  • *On leave from University of Tokyo, Tokyo, Japan.

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