Isobaric analog resonances of the N=21 nucleus 35Si

N. Imai, Y. Hirayama, Y. X. Watanabe, T. Teranishi, T. Hashimoto, S. Hayakawa, Y. Ichikawa, H. Ishiyama, S. C. Jeong, D. Kahl, S. Kubono, H. Miyatake, H. Ueno, H. Yamaguchi, K. Yoneda, and A. Yoshimi
Phys. Rev. C 85, 034313 – Published 15 March 2012

Abstract

Neutron single-particle states in the neutron-rich nucleus 35Si, which is located beside the N=20 shell breaking nucleus 32Mg, were investigated through their isobaric analog resonances. The excitation function for 34Si+p elastic scattering was measured around 0 in the laboratory frame by the thick target inverse kinematics method with a 34Si beam around 5 MeV/nucleon and a thick polyethylene target. Eight resonances were successfully observed. Angular momenta and proton and total widths of the resonances were assigned using R-matrix analysis. With the help of information of the β decay study, six isobaric analog resonances were identified. Spectroscopic factors and spin-parities of the corresponding parent states in 35Si are presented.

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  • Received 16 December 2011

DOI:https://doi.org/10.1103/PhysRevC.85.034313

©2012 American Physical Society

Authors & Affiliations

N. Imai1,2,*, Y. Hirayama1, Y. X. Watanabe1, T. Teranishi3, T. Hashimoto4, S. Hayakawa4, Y. Ichikawa5, H. Ishiyama1, S. C. Jeong1, D. Kahl4, S. Kubono4, H. Miyatake1, H. Ueno5, H. Yamaguchi4, K. Yoneda5, and A. Yoshimi5

  • 1Institute of Particle and Nuclear Studies, High Energy Accelerator Research Organization (KEK), Oho 1-1, Tsukuba, Ibaraki 305-0801, Japan
  • 2PH-Department, CERN, CH-1211 Geneva 23, Switzerland
  • 3Department of Physics, Kyushu University, Fukuoka 812-8581, Japan
  • 4Center for Nuclear Study, University of Tokyo, RIKEN Campus, 2-1 Hirosawa, Wako, Saitama 351-0198, Japan
  • 5RIKEN Nishina Center, 2-1 Hirosawa, Wako, Saitama 351-0198, Japan

  • *nobuaki.imai@cern.ch

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Vol. 85, Iss. 3 — March 2012

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