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Examination of the C-22 radius determination with interaction cross sections

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Title: Examination of the C-22 radius determination with interaction cross sections
Authors: Nagahisa, T. Browse this author
Horiuchi, Wataru Browse this author →KAKEN DB
Keywords: Low & intermediate energy heavy-ion reactions
Nucleon distribution
Metropolis algorithm
Nuclear reactions
Issue Date: 23-May-2018
Publisher: American Physical Society (APS)
Journal Title: Physical Review C
Volume: 97
Issue: 5
Start Page: 054614
Publisher DOI: 10.1103/PhysRevC.97.054614
Abstract: A nuclear radius of C-22 is investigated with the total reaction cross sections at medium- to high-incident energies in order to resolve the radius puzzle in which two recent interaction cross-section measurements using H-1 and C-12 targets show the quite different radii. The cross sections of C-22 are calculated consistently for these target nuclei within a reliable microscopic framework, the Glauber theory. To describe appropriately such a reaction involving a spatially extended nucleus, the multiple scattering processes within the Glauber theory are fully taken into account, that is, the multidimensional integration in the Glauber amplitude is evaluated using a Monte Carlo technique without recourse to the optical-limit approximation. We discuss the sensitivity of the spatially extended halo tail to the total reaction cross sections. The root-mean-square matter radius obtained in this study is consistent with that extracted from the recent cross-section measurement on C-12 target. We show that the simultaneous reproduction of the two recent measured cross sections is not feasible within this framework.
Rights: ©2018 American Physical Society
Type: article
Appears in Collections:理学院・理学研究院 (Graduate School of Science / Faculty of Science) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 堀内 渉

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