Theoretical modification on semiclassical distorted wave model and its application to the study of spin observables

K. Ogata, M. Kawai, Yukinobu Watanabe, Sun Weili, M. Kohno

Research output: Contribution to journalArticle

Abstract

The semiclassical distorted wave (SCDW) model of nucleon inelastic and charge exchange scattering at intermediate energies is modified to take accurate account of off-the-energy-shell matrix elements of the in-medium [Formula Presented] interaction and explicit account of the exchange of colliding two nucleons, making use of the G matrix parametrized in coordinate representation. The effects of the modification on the double differential inclusive cross sections are discussed for the cases of [Formula Presented] and (p, nx) reactions on [Formula Presented] at 160 MeV. The modification enables the SCDW model to calculate spin observables. The depolarizations in [Formula Presented] at 80 MeV and [Formula Presented] and [Formula Presented] at 160 MeV by one- and two-step processes are calculated, and the result for [Formula Presented] is compared with experimental data. The calculated spin flips in [Formula Presented] and (p, nx) on [Formula Presented] are analyzed in terms of the effects of in-medium modification of the [Formula Presented] interaction and the contributions of individual components of the effective interaction.

Original languageEnglish
Number of pages1
JournalPhysical Review C - Nuclear Physics
Volume60
Issue number5
DOIs
Publication statusPublished - Jan 1 1999

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interactions
matrices
charge exchange
nucleons
depolarization
energy
cross sections
scattering

All Science Journal Classification (ASJC) codes

  • Nuclear and High Energy Physics

Cite this

Theoretical modification on semiclassical distorted wave model and its application to the study of spin observables. / Ogata, K.; Kawai, M.; Watanabe, Yukinobu; Weili, Sun; Kohno, M.

In: Physical Review C - Nuclear Physics, Vol. 60, No. 5, 01.01.1999.

Research output: Contribution to journalArticle

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AB - The semiclassical distorted wave (SCDW) model of nucleon inelastic and charge exchange scattering at intermediate energies is modified to take accurate account of off-the-energy-shell matrix elements of the in-medium [Formula Presented] interaction and explicit account of the exchange of colliding two nucleons, making use of the G matrix parametrized in coordinate representation. The effects of the modification on the double differential inclusive cross sections are discussed for the cases of [Formula Presented] and (p, nx) reactions on [Formula Presented] at 160 MeV. The modification enables the SCDW model to calculate spin observables. The depolarizations in [Formula Presented] at 80 MeV and [Formula Presented] and [Formula Presented] at 160 MeV by one- and two-step processes are calculated, and the result for [Formula Presented] is compared with experimental data. The calculated spin flips in [Formula Presented] and (p, nx) on [Formula Presented] are analyzed in terms of the effects of in-medium modification of the [Formula Presented] interaction and the contributions of individual components of the effective interaction.

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