Cross sections and analyzing powers for (p,n) reactions on He3 and He4 at 346 MeV

E. Ihara, T. Wakasa, M. Dozono, K. Hatanaka, T. Imamura, M. Kato, S. Kuroita, H. Matsubara, T. Noro, H. Okamura, K. Sagara, Y. Sakemi, K. Sekiguchi, K. Suda, T. Sueta, Y. Tameshige, A. Tamii, H. Tanabe, Y. Yamada

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The cross sections and analyzing powers for (p,n) reactions on He3 and He4 have been measured at a bombarding energy of Tp=346 MeV and reaction angles of 8=9.4-27°. The energy transfer spectra for 3He(p,n) at large 8 (16°) are dominated by quasielastic contributions and can be reasonably reproduced by plane-wave impulse approximation (PWIA) calculations for quasielastic scattering. By contrast, the known L=1 resonances in Li4 are clearly observed near the threshold in the 4He(p,n) spectra. Because these contributions are remarkable at small angles, the energy spectra are significantly different from those expected for quasielastic scattering. The data are compared with the PWIA calculations, and it is found that the quasielastic contributions are dominant at large 8 (22°). The nuclear correlation effects on the quasielastic peak for 4He(p,n) are also discussed.

元の言語英語
記事番号024607
ジャーナルPhysical Review C - Nuclear Physics
78
発行部数2
DOI
出版物ステータス出版済み - 8 28 2008

All Science Journal Classification (ASJC) codes

  • Nuclear and High Energy Physics

フィンガープリント Cross sections and analyzing powers for (p,n) reactions on He3 and He4 at 346 MeV' の研究トピックを掘り下げます。これらはともに一意のフィンガープリントを構成します。

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    Ihara, E., Wakasa, T., Dozono, M., Hatanaka, K., Imamura, T., Kato, M., Kuroita, S., Matsubara, H., Noro, T., Okamura, H., Sagara, K., Sakemi, Y., Sekiguchi, K., Suda, K., Sueta, T., Tameshige, Y., Tamii, A., Tanabe, H., & Yamada, Y. (2008). Cross sections and analyzing powers for (p,n) reactions on He3 and He4 at 346 MeV. Physical Review C - Nuclear Physics, 78(2), [024607]. https://doi.org/10.1103/PhysRevC.78.024607