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Pion spectra for ( p , π - ) reactions in the 88 Sr region

Pion spectra for ( p , π - ) reactions in the 88 Sr region We have calculated the pion spectra of ( p , π - ) reactions from near threshold to the Δ region for medium-heavy nuclei with the zero-range plane-wave approximation supplemented with the cutoff of a radial integral simulating the distortion effect. The shell-model wave function with a 1 p 1 / 2 - 0 g 9 / 2 configuration is used to calculate the two-particle one-hole spectroscopic amplitudes. The excitation spectra leading to both the positive- and the negative-parity states are calculated for 88 Sr , 90 Zr , and 92 Mo nuclei. The present model calculation predicts pronounced selectivity of the excitation of several high-spin states, especially at higher incident energies. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Physical Review C American Physical Society (APS)

Pion spectra for ( p , π - ) reactions in the 88 Sr region

Yamamoto, Shiho; Kume, Kenji
Physical Review C , Volume 61 (2) – Feb 1, 2000
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Publisher
American Physical Society (APS)
Copyright
Copyright © 2000 The American Physical Society
ISSN
1089-490X
DOI
10.1103/PhysRevC.61.024608
Publisher site
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Abstract

We have calculated the pion spectra of ( p , π - ) reactions from near threshold to the Δ region for medium-heavy nuclei with the zero-range plane-wave approximation supplemented with the cutoff of a radial integral simulating the distortion effect. The shell-model wave function with a 1 p 1 / 2 - 0 g 9 / 2 configuration is used to calculate the two-particle one-hole spectroscopic amplitudes. The excitation spectra leading to both the positive- and the negative-parity states are calculated for 88 Sr , 90 Zr , and 92 Mo nuclei. The present model calculation predicts pronounced selectivity of the excitation of several high-spin states, especially at higher incident energies.

Journal

Physical Review C – American Physical Society (APS)

Published: Feb 1, 2000

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