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 a high priority). The results of the Møller polarimetry measurements taken over the PREX-II experiment averaged 89.7% ± 0.1% (stat) ± 0.89% (syst) while results from the CREX experiment were in remarkable agreement with the Compton Polarimetry results. The PREX-II experimental results returned an APV = 550 ± 16 (stat) ± 8 (sys) ppb corresponding to a 208-Pb neutron skin thickness of 0.283 ± 0.071 fm.
This dissertation will detail the author's work towards ensuring precision Møller polarimetry measurements for the PREX-II and CREX experiments, a review of associated systematics, and Møller polarimetry analysis results for PREX-II and CREX. A brief review of the PREX-II general experimental analysis and results are also provided as well as additional work done in the development efforts for the anticipated future SoLID experiments.
","abstract_html":"<p>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 a high priority). The results of the Møller polarimetry measurements taken over the PREX-II experiment averaged 89.7% ± 0.1% (stat) ± 0.89% (syst) while results from the CREX experiment were in remarkable agreement with the Compton Polarimetry results. The PREX-II experimental results returned an APV = 550 ± 16 (stat) ± 8 (sys) ppb corresponding to a 208-Pb neutron skin thickness of 0.283 ± 0.071 fm.</p><p>This dissertation will detail the author's work towards ensuring precision Møller polarimetry measurements for the PREX-II and CREX experiments, a review of associated systematics, and Møller polarimetry analysis results for PREX-II and CREX. A brief review of the PREX-II general experimental analysis and results are also provided as well as additional work done in the development efforts for the anticipated future SoLID experiments.</p>","abstract_has_math":false,"creators":["King, David Eric"],"institution":null,"degree_name":"Doctor of Philosophy (PhD)","degree_level":"Dissertation","degree_discipline":"Physics","degree_department":null,"school":null,"contributors":["Souder, Paul A."],"advisors":[],"committee_chairs":[],"committee_members":[],"year":2021,"date_issued":"2021-12-22T08:00:00Z","date_published":"2021-12-22T08:00:00Z","updated_at":"2026-07-24T04:56:14Z","subjects":["moller polarimetry","neutron skin","nuclear eos","parity violation","spin physics","weak form factor","Nuclear","Physical Sciences and Mathematics","Physics"],"languages":[],"rights":[],"rights_urls":[],"identifier_entries":[]},"links":{"outbound_url":"https://surface.syr.edu/etd/1464","outbound_label":"Repository record","outbound_source":"dc:identifier"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:contributor","label":"Contributor","values":["Souder, Paul A."]},{"key":"dc:creator","label":"Author","values":["King, David Eric"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"thesis:degree_discipline","label":"Discipline","values":["Physics"]},{"key":"thesis:degree_level","label":"Degree Level","values":["Dissertation"]},{"key":"thesis:degree_name","label":"Degree Name","values":["Doctor of Philosophy (PhD)"]}]},{"id":"subjects_keywords","label":"Subjects and Keywords","entries":[{"key":"dc:subject","label":"Dc Subject","values":["moller polarimetry","neutron skin","nuclear eos","parity violation","spin physics","weak form factor","Nuclear","Physical Sciences and Mathematics","Physics"]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier","label":"Identifier","values":["https://surface.syr.edu/etd/1464"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description.abstract","label":"Abstract","values":["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 a high priority). The results of the Møller polarimetry measurements taken over the PREX-II experiment averaged 89.7% ± 0.1% (stat) ± 0.89% (syst) while results from the CREX experiment were in remarkable agreement with the Compton Polarimetry results. The PREX-II experimental results returned an APV = 550 ± 16 (stat) ± 8 (sys) ppb corresponding to a 208-Pb neutron skin thickness of 0.283 ± 0.071 fm.
This dissertation will detail the author's work towards ensuring precision Møller polarimetry measurements for the PREX-II and CREX experiments, a review of associated systematics, and Møller polarimetry analysis results for PREX-II and CREX. A brief review of the PREX-II general experimental analysis and results are also provided as well as additional work done in the development efforts for the anticipated future SoLID experiments.
"]},{"key":"dc:title","label":"Title","values":["Utilizing Parity Violating Electron Scattering As a Probe to Measure the Neutron Radius of 208-pb"]}]}],"canonical_facts":{"dc:contributor":["Souder, Paul A."],"dc:creator":["King, David Eric"],"dc:description.abstract":["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 a high priority). The results of the Møller polarimetry measurements taken over the PREX-II experiment averaged 89.7% ± 0.1% (stat) ± 0.89% (syst) while results from the CREX experiment were in remarkable agreement with the Compton Polarimetry results. The PREX-II experimental results returned an APV = 550 ± 16 (stat) ± 8 (sys) ppb corresponding to a 208-Pb neutron skin thickness of 0.283 ± 0.071 fm.
This dissertation will detail the author's work towards ensuring precision Møller polarimetry measurements for the PREX-II and CREX experiments, a review of associated systematics, and Møller polarimetry analysis results for PREX-II and CREX. A brief review of the PREX-II general experimental analysis and results are also provided as well as additional work done in the development efforts for the anticipated future SoLID experiments.
"],"dc:identifier":["https://surface.syr.edu/etd/1464"],"dc:subject":["moller polarimetry","neutron skin","nuclear eos","parity violation","spin physics","weak form factor","Nuclear","Physical Sciences and Mathematics","Physics"],"dc:title":["Utilizing Parity Violating Electron Scattering As a Probe to Measure the Neutron Radius of 208-pb"],"thesis:degree_discipline":["Physics"],"thesis:degree_level":["Dissertation"],"thesis:degree_name":["Doctor of Philosophy (PhD)"]},"updated_at":"2026-07-24T04:56:14Z"}