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Intermediate structures in 12C(16O,12C[2+])16O studied with the γ-ray recoil method

H. Fujita

M. Hijiya, Y. Inotani, T. Mukae, K. Koga, M. Koga, F. Nakamura, S. Koto, T. Sugimitsu, N. Ikeda* et al.

Y. Sugiyama, Y. Tomita, H. Ikezoe, Y. Yamanouti, K. Ideno, S. Hamada, and T. Ikuta

  • Daiichi College of Pharmaceutical Sciences, Fukuoka 815-8511, Japan

S. Morinobu

  • Department of Physics, Kyushu University, Fukuoka 812-8581, Japan

  • Advanced Science Research Center, Japan Atomic Energy Research Institute, Tokai-mura, Ibaraki 319-1195, Japan

  • *Present address: Department of Applied Quantum Physics and Nuclear Engineering, Kyushu University, Fukuoka 812-8581, Japan.

Phys. Rev. C 66, 024609 – Published 26 August, 2002Erratum Phys. Rev. C 68, 019904 (2003)

DOI: https://doi.org/10.1103/PhysRevC.66.024609

Abstract

The intermediate structures in 12C+16O inelastic scattering were investigated at energies around Ec.m.=30MeV in the 12C(2+)+16O(g.s.) single excitation and the 12C(2+)+16O(3,02+) mutual excitation channels and at Ec.m.=22.6MeV in the 12C(2+)+16O(g.s.) single excitation channel. The angular distributions of the magnetic substate cross sections for the 2+ (4.439 MeV) state of 12C were measured by using the γ-ray recoil method in the center-of-mass ejectile-axis frame. It is shown that the structures at Ec.m.=29.8 and 31.8 MeV in the 12C(2+)+16O(g.s.) channel are interpreted as resonances of Jπ=16+ or 17 which decay dominantly through the aligned configurations with L=J2. On the other hand, the structure at Ec.m.=22.6MeV is accounted for by assuming the overlap of two resonances having spins and parities of Jπ=12+ and Jπ=16+. In the 12C(2+)+16O(3,02+) channel, little oscillatory structures are observed in the m-substate angular distributions so that the resonance spins cannot be extracted.

Erratum

Erratum: Intermediate structures in 12C(16O,12C[2+])16O studied with the γ-ray recoil method [Phys. Rev. C 66, 024609 (2002)]

H. Fujita, M. Hijiya, Y. Inotani, T. Mukae, K. Koga, M. Koga, F. Nakamura, S. Koto, T. Sugimitsu, N. Ikeda, S. Morinobu, Y. Sugiyama, Y. Tomita, H. Ikezoe, Y. Yamanouti, K. Ideno, S. Hamada, and T. Ikuta
Phys. Rev. C 68, 019904 (2003)

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