The Neutron Skin-Thickness of 208Pb Determined by Electron and Proton Scattering

被引：0

作者：

Suzuki, Toshio ^{[1
]}

Danjo, Rika ^{[1
]}

Suda, Toshimi ^{[1
]}

机构：

[1] Tohoku Univ, Res Ctr Accelerator & Radioisotope Sci, Sendai 9820826, Japan

来源：

PROGRESS OF THEORETICAL AND EXPERIMENTAL PHYSICS | 2024年 / 2024卷 / 09期

关键词：

NUCLEAR-CHARGE-DENSITY; ELASTIC-SCATTERING;

D O I：

10.1093/ptep/ptae131

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Electron as well as proton elastic scattering is not able to determine the point proton and point neutron densities, rho(tau)(r),(tau = p, n), separately. If both scatterings are analyzed consistently, those densities would be determined uniquely, since the two densities are observed by different combinations from each other. Previous experiments have not provided rho(tau)(r) uniquely, but the values of the mean square radii of rho(p)(r), < r(2)>(p), and of rho(n)(r), < r(2)>(n), are shown to be determined consistently through the fourth moment of the observed charge density, < r(4)>(c), in Pb-208. The previous analyses of (gamma, pi(0)) and p<overline>-nucleus obtained a similar value of < r(2)>(n), but they do not yield the experimental value of < r(4)>(c) observed in electron scattering.

引用

页数：7

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