Exclusive measurement of proton quasifree scattering and density dependence of the nucleon-nucleon interaction

K. Hatanaka, M. Kawabata, N. Matsuoka, Y. Mizuno, S. Morinobu, M. Nakamura, T. Noro, A. Okihana, K. Sagara, K. Takahisa, H. Takeda, K. Tamura, M. Tanaka, S. Toyama, H. Yamazaki, Y. Yuasa

研究成果: Contribution to journalArticle査読

36 被引用数 (Scopus)

抄録

Differential cross sections and analyzing powers(Ay)have been measured for the proton knockout reaction from s1/2 orbits of three kinds of target nuclei at Ep=392meV.The Ay values are reduced from those of free proton-proton scattering and the reduction rate is found to depend on target. For the present setting, where the recoil momentum is almost zero, an averaged density seen through this reaction can be estimated and it reaches almost half of the saturation density in some cases. The reduction of Ayshows a monotonically decreasing function of the averaged density, which strongly suggests the existence of a nuclear medium effect on the nucleon-nucleon interaction.

本文言語英語
ページ(範囲)1014-1017
ページ数4
ジャーナルPhysical review letters
78
6
DOI
出版ステータス出版済み - 2 10 1997

All Science Journal Classification (ASJC) codes

  • 物理学および天文学(全般)

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