In-beam γ-ray spectroscopy of Cf248,250,252 by neutron-transfer reactions using a Cf target

R. Takahashi, T. Ishii, M. Asai, D. Nagae, H. Makii, K. Tsukada, A. Toyoshima, Y. Ishii, M. Matsuda, A. Makishima, T. Shizuma, T. Kohno, and M. Ogawa
Phys. Rev. C 81, 057303 – Published 25 May 2010

Abstract

The ground-state bands of Cf248,250,252 have been established up to the 10+, 12+, and 10+ states, respectively, by in-beam γ-ray spectroscopy using neutron-transfer reactions with a 153-MeV O18 beam and a highly radioactive Cf target. The deexcitation γ rays in Cf248,250,252 were identified by taking coincidences with outgoing particles of O1619 measured with Si ΔEE detectors, and by selecting their kinetic energies. Moments of inertia of Cf248,250,252 were discussed in terms of the N=152 deformed shell gap.

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  • Received 4 February 2010

DOI:https://doi.org/10.1103/PhysRevC.81.057303

©2010 American Physical Society

Authors & Affiliations

R. Takahashi1,2,*, T. Ishii2,3, M. Asai2, D. Nagae2, H. Makii2, K. Tsukada2, A. Toyoshima2, Y. Ishii2, M. Matsuda3, A. Makishima4, T. Shizuma5, T. Kohno6, and M. Ogawa7

  • 1Department of Physics, Tokyo University of Science, Noda, Chiba 278-8510, Japan
  • 2Advanced Science Research Center, Japan Atomic Energy Agency, Tokai, Ibaraki 319-1195, Japan
  • 3Department of Research Reactor and Tandem Accelerator, Japan Atomic Energy Agency, Tokai, Ibaraki 319-1195, Japan
  • 4Department of Liberal Arts and Sciences, National Defense Medical College, Tokorozawa, Saitama 359-8513, Japan
  • 5Quantum Beam Science Directorate, Japan Atomic Energy Agency, Kyoto 619-0215, Japan
  • 6Department of Energy Sciences, Tokyo Institute of Technology, Yokohama 226-8502, Japan
  • 7Department of Radiological Sciences, Komazawa University, Setagaya, Tokyo 154-8525, Japan

  • *takahashi.ryuta@jaea.go.jp

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Vol. 81, Iss. 5 — May 2010

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