Nuclear Charge Radii of the Nickel Isotopes
Journal Article
·
· Physical Review Letters
Collinear laser spectroscopy is performed on the nickel isotopes 58-68,70Ni, using a time-resolved photon counting system. From the measured isotope shifts, nuclear charge radii Rc are extracted and compared to theoretical results. Three ab initio approaches all employ, among others, the chiral interaction NNLOsat, which allows an assessment of their accuracy. We find agreement with experiment in differential radii δ$$\langle r^2_c \rangle$$ for all employed ab initio methods and interactions, while the absolute radii are consistent with data only for NNLOsat. Within nuclear density functional theory, the Skyrme functional SV-min matches experiment more closely than the Fayans functional Fy(Δr,HFB).
- Research Organization:
- Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States); Michigan State Univ., East Lansing, MI (United States)
- Sponsoring Organization:
- USDOE Office of Science (SC), Nuclear Physics (NP)
- Contributing Organization:
- NUCLEI SciDAC-4 Collaboration
- Grant/Contract Number:
- FG02-96ER40963; SC0013365; SC0018083; DESC0018223; AC05-00OR22725; AC05-00OR22725: FG02-96ER40963; SC0018223
- OSTI ID:
- 1840065
- Alternate ID(s):
- OSTI ID: 1844865; OSTI ID: 1871673
- Journal Information:
- Physical Review Letters, Journal Name: Physical Review Letters Vol. 128 Journal Issue: 2; ISSN 0031-9007
- Publisher:
- American Physical SocietyCopyright Statement
- Country of Publication:
- United States
- Language:
- English
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