Momentum-space method for pionic atoms

A. Cieplý, M. Gmitro, R. Mach, and S. S. Kamalov
Phys. Rev. C 44, 713 – Published 1 August 1991
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Abstract

A new momentum-space method is developed for calculation of the strong-interaction shifts and widths in pionic atoms. The singularity connected with the Coulomb potential is treated by using the Vincent and Phatak prescription. The nuclear and atomic distances are separated in our scheme and this secures numerical stability of the calculation. The latter property makes the method a useful alternative to the earlier algorithms. Sample results for a series of light pionic atoms are shown.

  • Received 9 July 1990

DOI:https://doi.org/10.1103/PhysRevC.44.713

©1991 American Physical Society

Authors & Affiliations

A. Cieplý, M. Gmitro, and R. Mach

  • Institute of Nuclear Physics, Czechoslovak Academy of Sciences, CS 250 68 Řež, Czechoslovakia

S. S. Kamalov

  • Laboratory of Theoretical Physics, Joint Institute for Nuclear Research, Dubna, SU 101 000 Moscow, U.S.S.R.

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Issue

Vol. 44, Iss. 2 — August 1991

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