期刊
PHYSICAL REVIEW LETTERS
卷 129, 期 23, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.129.232501
关键词
-
资金
- U.S. Department of Energy, Office of Science, Office of Nuclear Physics [DE-SC0013365, DE-SC0018083]
The recent experimental determination of the parity violating asymmetry APV in 48Ca and 208Pb at Jefferson Lab is important for understanding the arrangement of neutrons and protons inside atomic nuclei. To assess the impact of these measurements, a rigorous theoretical investigation and evaluation of associated uncertainties were conducted. The study concluded that accurate description of APV in 48Ca and 208Pb cannot be achieved by their models.
The recent experimental determination of the parity violating asymmetry APV in 48Ca and 208Pb at Jefferson Lab is important for our understanding on how neutrons and protons arrange themselves inside the atomic nucleus. To better understand the impact of these measurements, we present a rigorous theoretical investigation of APV in 48Ca and 208Pb and assess the associated uncertainties. We complement our study by inspecting the static electric dipole polarizability in these nuclei. The analysis is carried out within nuclear energy density functional theory with quantified input. We conclude that the simultaneous accurate description of APV in 48Ca and 208Pb cannot be achieved by our models that accommodate a pool of global nuclear properties, such as masses and charge radii, throughout the nuclear chart, and describe- within one standard deviation-the experimental dipole polarizabilities alpha D in these nuclei.
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