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Measuring the surface thickness of the weak charge density of nuclei
Published 14 Sep 2020 in nucl-th and nucl-ex | (2009.06664v1)
Abstract: 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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