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Proton Distribution Radii of 12-19C Illuminate Features of Neutron Halos

Journal Article · · Physical Review Letters
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  1. Saint Mary's University, Halifax, Nova Scotia (Canada)
  2. Hokkaido Univ., Sapporo (Japan)
  3. Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States); Univ. of Tennessee, Knoxville, TN (United States)
  4. Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
  5. TRIUMF, Vancouver, BC (Canada)
  6. GSI-Helmholtzzentrum fur Schwerionenforschung, Darmstadt (Germany)
  7. University of Santiago de Compostela (Spain)
  8. Saint Mary's University, Halifax, Nova Scotia (Canada); GSI-Helmholtzzentrum fur Schwerionenforschung, Darmstadt (Germany)
  9. GSI-Helmholtzzentrum fur Schwerionenforschung, Darmstadt (Germany); Justus-Liebig University, Giessen (Germany)
  10. Comenius Univ., Bratislava (Slovakia)
  11. Osaka Univ. (Japan)
  12. RIKEN Nishina Center, Wako (Japan); Niigata Univ. (Japan)
  13. Osaka Univ. (Japan); Beihang University, Beijing (China)
  14. Beihang University, Beijing (China)
+ Show Author Affiliations
We report proton radii of 12-19C densities derived from first accurate charge changing cross section measurements at 900A MeV with a carbon target. A thick neutron surface evolves from ~0.5 fm in 15C to ~1 fm in 19C. Also, the halo radius in 19C is found to be 6.4±0.7 fm as large as 11Li. Ab initio calculations based on chiral nucleon-nucleon and three-nucleon forces reproduce the radii well.
Research Organization:
Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States). Oak Ridge Leadership Computing Facility (OLCF)
Sponsoring Organization:
USDOE; USDOE Office of Science (SC)
Grant/Contract Number:
AC05-00OR22725; SC0008499
OSTI ID:
1324111
Alternate ID(s):
OSTI ID: 1315856
Journal Information:
Physical Review Letters, Journal Name: Physical Review Letters Journal Issue: 10 Vol. 117; ISSN 0031-9007
Publisher:
American Physical Society (APS)Copyright Statement
Country of Publication:
United States
Language:
English

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Cited By (17)

Evidence for prevalent Z = 6 magic number in neutron-rich carbon isotopes journal April 2018
Effective field theory description of halo nuclei journal September 2017
Interpretation of halo in 19 C with complex momentum representation method journal July 2018
Extension of the ratio method to proton-rich nuclei journal September 2019
Novel chiral Hamiltonian and observables in light and medium-mass nuclei journal January 2020
Chiral g -matrix folding-model approach to reaction cross sections for scattering of Ca isotopes on a C target journal January 2020
Charge-changing cross-section measurements of C 12 – 16 at around 45 A MeV and development of a Glauber model for incident energies 10 A – 2100 A MeV journal December 2016
Neutron-skin thickness determines the surface tension of a compressible nuclear droplet journal September 2017
Explicit inclusion of the spin-orbit contribution in the Tohsaki-Horiuchi-Schuck-Röpke wave function journal October 2018
Ab initio Gamow in-medium similarity renormalization group with resonance and continuum journal June 2019
Nuclear Force Imprints Revealed on the Elastic Scattering of Protons with C 10 journal June 2017
Peeling Off Neutron Skins from Neutron-Rich Nuclei: Constraints on the Symmetry Energy from Neutron-Removal Cross Sections journal December 2017
Influence of neutrons on charge-changing cross-sections journal August 2019
Peeling Off Neutron Skins from Neutron-Rich Nuclei: Constraints on the Symmetry Energy from Neutron-Removal Cross Sections text January 2017
Evidence for prevalent Z = 6 magic number in neutron-rich carbon isotopes text January 2018
Effective field theory description of halo nuclei text January 2017
$g$-matrix folding-model approach to reaction cross sections for scattering of Ca isotopes on a C target text January 2019

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