测量原子核弱电荷密度的表面厚度

B. Reed, Z. Jaffe, C. Horowitz, C. Sfienti
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引用次数: 5

摘要

目前的PREX-II和CREX实验是测量$^{208}$Pb和$^{48}$Ca的弱电荷密度的均数半径。讨论了一种新的违反宇称的电子散射实验测量重核弱电荷密度表面厚度的可行性。一旦PREX-II和CREX有了约束弱半径,在动量转移接近0.76 fm$^{-1}$的$^{208}$Pb或1.28 fm$^{-1}$的$^{48}$Ca的奇偶性违反测量可以确定表面厚度。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Measuring the surface thickness of the weak charge density of nuclei
The present PREX-II and CREX experiments are measuring the rms radius of the weak charge density of $^{208}$Pb and $^{48}$Ca. We discuss the feasibility of a new parity violating electron scattering experiment to measure the surface thickness of the weak charge density of a heavy nucleus. Once PREX-II and CREX have constrained weak radii, an additional parity violating measurement at a momentum transfer near 0.76 fm$^{-1}$ for $^{208}$Pb or 1.28 fm$^{-1}$ for $^{48}$Ca can determine the surface thickness.
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