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Utilizing Parity Violating Electron Scattering As A Probe To Measure The Neutron Radius Of 208-Pb, David Eric King
Utilizing Parity Violating Electron Scattering As A Probe To Measure The Neutron Radius Of 208-Pb, David Eric King
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The Lead Radius Experiment 2 (PREX-II) and Calcium Radius Experiment (CREX) carried out in Hall A of the Thomas Jefferson National Accelerator Facility were designed to measure the neutron skins of 208-Pb and 48-Ca nuclei by measuring the parity-violating asymmetry APV of the elastic scattering of polarized electrons on 208-Pb and 48-Ca targets. In order to achieve a precision measurement of the neutron skins of 208-Pb and 48-Ca it is imperative to maintain precise control over many experimental parameters–one of which is a precision measurement of the electron beam polarization (which is the largest contributor to experimental error making control …