Publications
Publication Information
| Title | Measurement of Parity Violating Asymmetry in Elastic Electron Scattering off 48Ca |
| Authors | Cameron Clarke |
| JLAB number | JLAB-PHY-21-3560 |
| LANL number | (None) |
| Other number | DOE/OR/23177-5428 |
| Document Type(s) | (Thesis) |
| Associated with EIC: | No |
| Supported by Jefferson Lab LDRD Funding: | No |
| Funding Source: | Nuclear Physics (NP) |
|
Thesis A PHD thesis Advisor(s) : Krishna Kumar (UMass Amherst) | |
| Publication Abstract: | Atomic nuclei are composed of nucleons governed by the strong nuclear force. Although the proton distributions in nuclei are well measured with electromagnetic probes, the neutron distributions are relatively unconstrained. The nuclear symmetry energy governs the distribution of the excess neutrons in asymmetric nuclei, as well as the dynamics of neutron-rich nuclear matter up to the scale of neutron stars. Parity-violating electron scattering (PVES) is a mature experimental method by which the parity-violating weak interaction provides access to the neutron distributions. We report the result of the CREX experiment which is sensitive to bulk and surface isospin asymmetry effects through the measurement of the parity-violating scattering asymmetry, AP V , with 2.18 GeV highly polarized iii electron beam scattering elastically from an unpolarized 48Ca target at 5? forward angle. CREX ran in Hall A at Jefferson Lab in the Spring and Fall of 2020 and measured AP V = 2659 ± 106 (s |
| Experiment Numbers: | E12-12-004, E12-11-101 |
| Group: | Hall A |
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| Accepted Manuscript: | |
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