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A new approach for deducing rms proton radii from charge-changing reactions of neutron-rich nuclei and the reaction-target dependence

  • Jichao Zhang
  • , Baohua Sun*
  • , Isao Tanihata
  • , Rituparna Kanungo
  • , Christoph Scheidenberger
  • , Satoru Terashima
  • , Feng Wang
  • , Frederic Ameil
  • , Joel Atkinson
  • , Yassid Ayyad
  • , Soumya Bagchi
  • , Dolores Cortina-Gil
  • , Iris Dillmann
  • , Alfredo Estradé
  • , Alexey Evdokimov
  • , Fabio Farinon
  • , Hans Geissel
  • , Giulia Guastalla
  • , Rudolf Janik
  • , Satbir Kaur
  • Ronja Knöbel, Jan Kurcewicz, Yury Litvinov, Michele Marta, Magdalena Mostazo, Ivan Mukha, Chiara Nociforo, Hooi Jin Ong, Stephane Pietri, Andrej Prochazka, Branislav Sitar, Peter Strmen, Maya Takechi, Junki Tanaka, Jossitt Vargas, Helmut Weick, John Stuart Winfield
*Corresponding author for this work
  • Beihang University
  • The University of Osaka
  • Saint Mary's University Halifax
  • TRIUMF
  • GSI Helmholtz Centre for Heavy Ion Research
  • Justus Liebig University Giessen
  • University of Santiago de Compostela
  • Indian Institute of Technology, Dhanbad
  • Comenius University
  • Dalhousie University

Research output: Contribution to journalArticlepeer-review

Abstract

We report the charge-changing cross sections (σcc) of 24 p-shell nuclides on both hydrogen and carbon at about 900A MeV, of which 8,9Li, 10–12Be, 10,14,15B, 14,15,17–22N and 16O on hydrogen and 8,9Li on carbon are for the first time. Benefiting from the data set, we found a new and robust relationship between the scaling factor of the Glauber model calculations and the separation energies of the nuclei of interest on both targets. This allows us to deduce proton radii (Rp) for the first time from the cross sections on hydrogen. Nearly identical Rp values are deduced from both target data for the neutron-rich carbon isotopes; however, the Rp from the hydrogen target is systematically smaller in the neutron-rich nitrogen isotopes. This calls for further experimental and theoretical investigations.

Original languageEnglish
Pages (from-to)1647-1652
Number of pages6
JournalScience Bulletin
Volume69
Issue number11
DOIs
StatePublished - 15 Jun 2024

Keywords

  • Exotic nuclei
  • Glauber model
  • Nuclear size
  • Radioactive ion beam
  • Reaction cross section

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