Semiclassical distorted wave model analysis of the complete set of spin transfer coefficients for multistep direct (p, nx) at 350 MeV

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

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Abstract

The semiclassical distorted wave (SCDW) model of multistep direct processes is extended to calculate the double differential inclusive cross section (DDX) and the complete set of spin transfer coefficients (Dij) at energies of 350-400 MeV, taking account of one- and two-step processes. The DDX for (p, p′x) on 40Ca at 392 MeV is calculated and compared with experimental data. The calculated Dij and the DDXs for (p, nx) on 12C and 40Ca at 346 MeV for the emission angle of 22° are compared with the measured ones. Features of the calculated Dij, the contribution of two-step processes in particular, are discussed in terms of the comparison with those of the DDX. The calculated DDX and Dij are analyzed in terms of the choice of the bare N N force on which the effective interaction is based, the difference in the methods of the calculation of G matrices, and the in-medium modification of effective interactions.

Original languageEnglish
Pages (from-to)152-166
Number of pages15
JournalNuclear Physics A
Volume703
Issue number1-2
DOIs
Publication statusPublished - May 20 2002

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coefficients
interactions
cross sections
matrices
energy

All Science Journal Classification (ASJC) codes

  • Nuclear and High Energy Physics

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Semiclassical distorted wave model analysis of the complete set of spin transfer coefficients for multistep direct (p, nx) at 350 MeV. / Ogata, K.; Watanabe, Y.; Weili, Sun; Kohno, M.; Kawai, M.

In: Nuclear Physics A, Vol. 703, No. 1-2, 20.05.2002, p. 152-166.

Research output: Contribution to journalArticle

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AU - Ogata, K.

AU - Watanabe, Y.

AU - Weili, Sun

AU - Kohno, M.

AU - Kawai, M.

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N2 - The semiclassical distorted wave (SCDW) model of multistep direct processes is extended to calculate the double differential inclusive cross section (DDX) and the complete set of spin transfer coefficients (Dij) at energies of 350-400 MeV, taking account of one- and two-step processes. The DDX for (p, p′x) on 40Ca at 392 MeV is calculated and compared with experimental data. The calculated Dij and the DDXs for (p, nx) on 12C and 40Ca at 346 MeV for the emission angle of 22° are compared with the measured ones. Features of the calculated Dij, the contribution of two-step processes in particular, are discussed in terms of the comparison with those of the DDX. The calculated DDX and Dij are analyzed in terms of the choice of the bare N N force on which the effective interaction is based, the difference in the methods of the calculation of G matrices, and the in-medium modification of effective interactions.

AB - The semiclassical distorted wave (SCDW) model of multistep direct processes is extended to calculate the double differential inclusive cross section (DDX) and the complete set of spin transfer coefficients (Dij) at energies of 350-400 MeV, taking account of one- and two-step processes. The DDX for (p, p′x) on 40Ca at 392 MeV is calculated and compared with experimental data. The calculated Dij and the DDXs for (p, nx) on 12C and 40Ca at 346 MeV for the emission angle of 22° are compared with the measured ones. Features of the calculated Dij, the contribution of two-step processes in particular, are discussed in terms of the comparison with those of the DDX. The calculated DDX and Dij are analyzed in terms of the choice of the bare N N force on which the effective interaction is based, the difference in the methods of the calculation of G matrices, and the in-medium modification of effective interactions.

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