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

doi:10.1103/PhysRevLett.78.1014

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

Experimental Particle Physics

Research output: Contribution to journal › Article › peer-review

37 Citations (Scopus)

Abstract

Differential cross sections and analyzing powers(A_y)have been measured for the proton knockout reaction from s_1/2 orbits of three kinds of target nuclei at E_p=392meV.The A_y 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 A_yshows a monotonically decreasing function of the averaged density, which strongly suggests the existence of a nuclear medium effect on the nucleon-nucleon interaction.

Original language	English
Pages (from-to)	1014-1017
Number of pages	4
Journal	Physical review letters
Volume	78
Issue number	6
DOIs	https://doi.org/10.1103/PhysRevLett.78.1014
Publication status	Published - Feb 10 1997

All Science Journal Classification (ASJC) codes

Physics and Astronomy(all)

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10.1103/PhysRevLett.78.1014

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Hatanaka, K., Kawabata, M., Matsuoka, N., Mizuno, Y., Morinobu, S., Nakamura, M., Noro, T., Okihana, A., Sagara, K., Takahisa, K., Takeda, H., Tamura, K., Tanaka, M., Toyama, S., Yamazaki, H., & Yuasa, Y. (1997). Exclusive measurement of proton quasifree scattering and density dependence of the nucleon-nucleon interaction. Physical review letters, 78(6), 1014-1017. https://doi.org/10.1103/PhysRevLett.78.1014

Hatanaka, K, Kawabata, M, Matsuoka, N, Mizuno, Y, Morinobu, S, Nakamura, M, Noro, T, Okihana, A, Sagara, K, Takahisa, K, Takeda, H, Tamura, K, Tanaka, M, Toyama, S, Yamazaki, H & Yuasa, Y 1997, 'Exclusive measurement of proton quasifree scattering and density dependence of the nucleon-nucleon interaction', Physical review letters, vol. 78, no. 6, pp. 1014-1017. https://doi.org/10.1103/PhysRevLett.78.1014

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abstract = "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.",

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T1 - Exclusive measurement of proton quasifree scattering and density dependence of the nucleon-nucleon interaction

AU - Hatanaka, K.

AU - Kawabata, M.

AU - Matsuoka, N.

AU - Mizuno, Y.

AU - Morinobu, S.

AU - Nakamura, M.

AU - Noro, T.

AU - Okihana, A.

AU - Sagara, K.

AU - Takahisa, K.

AU - Takeda, H.

AU - Tamura, K.

AU - Tanaka, M.

AU - Toyama, S.

AU - Yamazaki, H.

AU - Yuasa, Y.

PY - 1997/2/10

Y1 - 1997/2/10

N2 - 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.

AB - 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.

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

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