Charge Radius of the Short-Lived Ni68 and Correlation with the Dipole Polarizability

Kaufmann, S.; Simonis, J.; Bacca, S.; Billowes, J.; Bissell, M. L.; Blaum, K.; Cheal, B.; Ruiz, R. F. Garcia; Gins, W.; Gorges, C.; Hagen, G.; Heylen, H.; Kanellakopoulos, A.; Malbrunot-Ettenauer, S.; Miorelli, M.; Neugart, R.; Neyens, G.; Nörtershäuser, W.; Sánchez, R.; Sailer, S.; Schwenk, A.; Ratajczyk, T.; Rodríguez, L. V.; Wehner, L.; Wraith, C.; Xie, L.; Xu, Z. Y.; Yang, X. F.; Yordanov, D. T.

doi:10.1103/PhysRevLett.124.132502

Title: Charge Radius of the Short-Lived ${}^{68}{Ni}$ and Correlation with the Dipole Polarizability

Abstract

We present the first laser spectroscopic measurement of the neutron-rich nucleus ⁶⁸Ni at the N = 40 subshell closure and extract its nuclear charge radius. Since this is the only short-lived isotope for which the dipole polarizability $$α$$_D has been measured, the combination of these observables provides a benchmark for nuclear structure theory. We compare them to novel coupled-cluster calculations based on different chiral two- and three-nucleon interactions, for which a strong correlation between the charge radius and dipole polarizability is observed, similar to the stable nucleus ⁴⁸Ca. Three-particle–three-hole correlations in coupled-cluster theory substantially improve the description of the experimental data, which allows to constrain the neutron radius and neutron skin of ⁶⁸Ni.

Authors:

Kaufmann, S.; Simonis, J.; Bacca, S.; Billowes, J.; Bissell, M. L.;

; Cheal, B.; Ruiz, R. F. Garcia; Gins, W.; Gorges, C.; Hagen, G.; Heylen, H.;

; Malbrunot-Ettenauer, S.; Miorelli, M.; Neugart, R.;

;

; Sailer, S. more »

Publication Date:: Wed Apr 01 00:00:00 EDT 2020

Research Org.:: Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)

Sponsoring Org.:: USDOE Office of Science (SC), Nuclear Physics (NP); ISOLDE Collaboration; European Union’s Horizon 2020; German Research Foundation (DFG); German Federal Ministry of Education and Research (BMBF); Innovative and Novel Computational Impact on Theory and Experiment (INCITE); Science and Technology Facilities Council (STFC)

OSTI Identifier:: 1607964

Alternate Identifier(s):: OSTI ID: 1633144

Grant/Contract Number:: AC05-00OR22725; SC0018223; 654002; 05P18RDCIA; 05P18RDFN1; 05P19RDFN1; ST/ L005670/1; ST/L005794/1; ST/P004423/1; ST/ P004598/1

Resource Type:: Published Article

Journal Name:: Physical Review Letters

Additional Journal Information:: Journal Name: Physical Review Letters Journal Volume: 124 Journal Issue: 13; Journal ID: ISSN 0031-9007

Publisher:: American Physical Society (APS)

Country of Publication:: United States

Language:: English

Subject:: 73 NUCLEAR PHYSICS AND RADIATION PHYSICS

Citation Formats


                    Kaufmann, S., Simonis, J., Bacca, S., Billowes, J., Bissell, M. L., Blaum, K., Cheal, B., Ruiz, R. F. Garcia, Gins, W., Gorges, C., Hagen, G., Heylen, H., Kanellakopoulos, A., Malbrunot-Ettenauer, S., Miorelli, M., Neugart, R., Neyens, G., Nörtershäuser, W., Sánchez, R., Sailer, S., Schwenk, A., Ratajczyk, T., Rodríguez, L. V., Wehner, L., Wraith, C., Xie, L., Xu, Z. Y., Yang, X. F., and Yordanov, D. T. Charge Radius of the Short-Lived Ni68 and Correlation with the Dipole Polarizability.  United States: N. p., 2020. 
Web.  doi:10.1103/PhysRevLett.124.132502.

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                    Kaufmann, S., Simonis, J., Bacca, S., Billowes, J., Bissell, M. L., Blaum, K., Cheal, B., Ruiz, R. F. Garcia, Gins, W., Gorges, C., Hagen, G., Heylen, H., Kanellakopoulos, A., Malbrunot-Ettenauer, S., Miorelli, M., Neugart, R., Neyens, G., Nörtershäuser, W., Sánchez, R., Sailer, S., Schwenk, A., Ratajczyk, T., Rodríguez, L. V., Wehner, L., Wraith, C., Xie, L., Xu, Z. Y., Yang, X. F., & Yordanov, D. T. Charge Radius of the Short-Lived Ni68 and Correlation with the Dipole Polarizability.  United States.  https://doi.org/10.1103/PhysRevLett.124.132502

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                    Kaufmann, S., Simonis, J., Bacca, S., Billowes, J., Bissell, M. L., Blaum, K., Cheal, B., Ruiz, R. F. Garcia, Gins, W., Gorges, C., Hagen, G., Heylen, H., Kanellakopoulos, A., Malbrunot-Ettenauer, S., Miorelli, M., Neugart, R., Neyens, G., Nörtershäuser, W., Sánchez, R., Sailer, S., Schwenk, A., Ratajczyk, T., Rodríguez, L. V., Wehner, L., Wraith, C., Xie, L., Xu, Z. Y., Yang, X. F., and Yordanov, D. T. Wed .  
"Charge Radius of the Short-Lived Ni68 and Correlation with the Dipole Polarizability".  United States.  https://doi.org/10.1103/PhysRevLett.124.132502.

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@article{osti_1607964,

  title        = {Charge Radius of the Short-Lived Ni68 and Correlation with the Dipole Polarizability},

  author       = {Kaufmann, S. and Simonis, J. and Bacca, S. and Billowes, J. and Bissell, M. L. and Blaum, K. and Cheal, B. and Ruiz, R. F. Garcia and Gins, W. and Gorges, C. and Hagen, G. and Heylen, H. and Kanellakopoulos, A. and Malbrunot-Ettenauer, S. and Miorelli, M. and Neugart, R. and Neyens, G. and Nörtershäuser, W. and Sánchez, R. and Sailer, S. and Schwenk, A. and Ratajczyk, T. and Rodríguez, L. V. and Wehner, L. and Wraith, C. and Xie, L. and Xu, Z. Y. and Yang, X. F. and Yordanov, D. T.},

  abstractNote = {We present the first laser spectroscopic measurement of the neutron-rich nucleus 68Ni at the N = 40 subshell closure and extract its nuclear charge radius. Since this is the only short-lived isotope for which the dipole polarizability $α$D has been measured, the combination of these observables provides a benchmark for nuclear structure theory. We compare them to novel coupled-cluster calculations based on different chiral two- and three-nucleon interactions, for which a strong correlation between the charge radius and dipole polarizability is observed, similar to the stable nucleus 48Ca. Three-particle–three-hole correlations in coupled-cluster theory substantially improve the description of the experimental data, which allows to constrain the neutron radius and neutron skin of 68Ni.},

  doi          = {10.1103/PhysRevLett.124.132502},

  journal      = {Physical Review Letters},

  number       = 13,

  volume       = 124,

  place        = {United States},

  year         = {Wed Apr 01 00:00:00 EDT 2020},

  month        = {Wed Apr 01 00:00:00 EDT 2020}

}

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Cited by: 25 works

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Figures / Tables:

FIG. 1: Resonance spectra of the stable isotopes ^{58,60,61,62,64}Ni and the radioactive ⁶⁸Ni with their center frequency indicated with a vertical line. The count rate is normalized for each isotope, and the frequency is given relative to the center frequency of the reference isotope ₆₀Ni.

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Title: Charge Radius of the Short-Lived Ni 68 and Correlation with the Dipole Polarizability

Abstract

Citation Formats

Figures / Tables:

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Modern theory of nuclear forces journal, December 2009

Improved nuclear matter calculations from chiral low-momentum interactions journal, March 2011

Determination of the Equation of State of Dense Matter journal, October 2002

Tests of atomic charge-exchange cells for collinear laser spectroscopy journal, June 2012

Giant and pigmy dipole resonances in He 4 , O 16 , 22 , and Ca 40 from chiral nucleon-nucleon interactions journal, December 2014

Off-line commissioning of the ISOLDE cooler journal, October 2008

Spins, moments and charge radii of barium isotopes in the range 122–146Ba determined by collinear fast-beam laser spectroscopy journal, July 1983

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Title: Charge Radius of the Short-Lived ${}^{68}{Ni}$ and Correlation with the Dipole Polarizability

From Calcium to Cadmium: Testing the Pairing Functional through Charge Radii Measurements of ${}^{100 − 130}{Cd}$
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Constraints on the symmetry energy and neutron skins from experiments and theory
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Measurement of the Dipole Polarizability of the Unstable Neutron-Rich Nucleus ${}^{68}{Ni}$
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Structure of the Lightest Tin Isotopes
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Chiral effective field theory and nuclear forces
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Complete Electric Dipole Response and the Neutron Skin in ${}^{208}{Pb}$
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Resonance ionization laser ion sources for on-line isotope separators (invited)
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Exploring $s d$ -shell nuclei from two- and three-nucleon interactions with realistic saturation properties
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GW170817: Measurements of Neutron Star Radii and Equation of State
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