Electromagnetic moments and electric dipole transitions in carbon isotopes

Toshio Suzuki, Hiroyuki Sagawa, Kouichi Hagino

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26 Citations (Scopus)

Abstract

We carry out shell model calculations to study electromagnetic moments and electric dipole transitions of C isotopes. We point out the configuration dependence of the quadrupole and magnetic moments of the odd C isotopes, which will be useful to find out the deformations and the spin parities of the ground states of these nuclei. We also study the electric dipole states of C isotopes, focusing on the interplay between low energy pigmy strength and giant dipole resonances. As far as the energies of the resonances are concerned, reasonable agreement is obtained with available experimental data for the photoreaction cross sections in 12C, 13C, and 14C, both in the low energy region below ℏω = 14 MeV and in the high energy giant resonance region (14 MeV <ℏω≤30 MeV). The calculated transition strength below the giant dipole resonance (ℏω≤14 MeV) in C isotopes heavier than 15C is found to exhaust about 12-16 % of the classical Thomas-Reiche-Kuhn sum rule value and 50-80 % of the cluster sum rule value.

Original languageEnglish
Article number014317
Pages (from-to)143171-1431710
Number of pages1288540
JournalPhysical Review C - Nuclear Physics
Volume68
Issue number1
Publication statusPublished - 2003 Jul
Externally publishedYes

ASJC Scopus subject areas

  • Nuclear and High Energy Physics

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