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Title: Structure of Ni 78 from First-Principles Computations

Journal Article · · Physical Review Letters
 [1];  [2];  [1]
  1. Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States); Univ. of Tennessee, Knoxville, TN (United States)
  2. Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)

Doubly magic nuclei have a simple structure and are the cornerstones for entire regions of the nuclear chart. Theoretical insights into the supposedly doubly magic 78Ni and its neighbors are challenging because of the extreme neutron-to-proton ratio and the proximity of the continuum. In this study, we predict the Jπ = 2$$+\atop{1}$$ state in 78Ni from a correlation with the Jπ = 2$$+\atop{1}$$ state in 48Ca using chiral nucleon-nucleon and three-nucleon interactions. Our results confirm that 78Ni is doubly magic, and the predicted low-lying states of 79,80Ni open the way for shell-model studies of many more rare isotopes.

Research Organization:
Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States). Oak Ridge Leadership Computing Facility (OLCF)
Sponsoring Organization:
USDOE Office of Science (SC)
Grant/Contract Number:
AC05-00OR22725; FG02-96ER40963; SC0008499
OSTI ID:
1341533
Alternate ID(s):
OSTI ID: 1329097
Journal Information:
Physical Review Letters, Vol. 117, Issue 17; ISSN 0031-9007
Publisher:
American Physical Society (APS)Copyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 84 works
Citation information provided by
Web of Science

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Cited By (19)

Interplay between nuclear shell evolution and shape deformation revealed by the magnetic moment of 75Cu journal January 2019
Discrepancy between experimental and theoretical β-decay rates resolved from first principles journal March 2019
78Ni revealed as a doubly magic stronghold against nuclear deformation journal May 2019
Downfolding of many-body Hamiltonians using active-space models: Extension of the sub-system embedding sub-algebras approach to unitary coupled cluster formalisms journal July 2019
Nucleon transfer reactions with radioactive beams journal February 2018
Excitations of the magic N = 50 neutron-core revealed in Ga 81 journal July 2019
Probing the Ga 31 ground-state properties in the region near Z = 28 with high-resolution laser spectroscopy journal October 2017
Pion-less effective field theory for atomic nuclei and lattice nuclei journal November 2018
Excitation spectra of exotic nuclei in a self-consistent phonon-coupling model journal November 2018
Strangeness and Δ resonance in compact stars with relativistic-mean-field models journal January 2019
Uncertainties in constraining low-energy constants from 3H $ \beta$β decay journal August 2017
Electric and magnetic dipole modes in high-resolution inelastic proton scattering at 0° journal July 2019
Persistence of magicity in neutron-rich exotic 78Ni in ground as well as excited states journal July 2018
First principles electromagnetic responses in medium-mass nuclei: Recent progress from coupled-cluster theory journal December 2019
Chiral interactions up to next-to-next-to-next-to-leading order and nuclear saturation text January 2017
Persistence of magicity in neutron rich exotic $^{78}$Ni in ground as well as excited states text January 2018
Excitation spectra of exotic nuclei in a self-consistent phonon-coupling model text January 2018
Interplay between nuclear shell evolution and shape deformation revealed by magnetic moment of 75Cu text January 2018
Global sensitivity analysis of bulk properties of an atomic nucleus text January 2019

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