论文标题

测量细胞核弱电荷密度的表面厚度

Measuring the surface thickness of the weak charge density of nuclei

论文作者

Reed, Brendan, Jaffe, Z., Horowitz, C. J., Sfienti, C.

论文摘要

当前的Prex-II和Crex实验正在测量$^{208} $ pb和$^{48} $ CA的弱电荷密度的RMS半径。我们讨论了违反电子散射实验的新奇偶校验的可行性,以测量重核的弱电荷密度的表面厚度。一旦Prex-II和Crex限制了弱半径,额外的均等违反了$^{208} $ pb或1.28 fm $^{ - 1} $ $^{48} $的动量转移的额外差异,以$^{208} $ pb或1.28 fm $^{ - 1} $ ca {48} $ CA可以确定表面厚度。

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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