Combined Theoretical Analysis of the Parity-Violating Asymmetry for 48Ca and 208Pb

Reinhard, Paul-Gerhard; Roca-Maza, Xavier; Nazarewicz, Witold

doi:10.1103/physrevlett.129.232501

Title: Combined Theoretical Analysis of the Parity-Violating Asymmetry for ⁴⁸Ca and ²⁰⁸Pb

Journal Article · Fri Dec 02 00:00:00 UTC 2022 · Physical Review Letters

DOI: https://doi.org/10.1103/physrevlett.129.232501 · OSTI ID:1901585

Reinhard, Paul-Gerhard ^[1]; Roca-Maza, Xavier ^[2];

^[3]

Univ. Erlangen (Germany); Michigan State University
Univ. degli Studi di Milano (Italy)
Michigan State Univ., East Lansing, MI (United States)

The recent experimental determination of the parity violating asymmetry A_PV 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 A_PV in ⁴⁸Ca and ²⁰⁸Pb and assess the associated uncertainties. Here, 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 A_PV 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 in these nuclei.

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Research Organization:: Michigan State Univ., East Lansing, MI (United States)

Sponsoring Organization:: USDOE Office of Science (SC), Nuclear Physics (NP)

Grant/Contract Number:: SC0013365; SC0018083

OSTI ID:: 1901585

Journal Information:: Physical Review Letters, Journal Name: Physical Review Letters Journal Issue: 23 Vol. 129; ISSN 0031-9007

Publisher:: American Physical Society (APS)Copyright Statement

Country of Publication:: United States

Language:: English

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