Probing nuclear structures in the vicinity of 78Ni with β- and βn-decay spectroscopy of 84Ga

K. Kolos, D. Verney, F. Ibrahim, F. Le Blanc, S. Franchoo, K. Sieja, F. Nowacki, C. Bonnin, M. Cheikh Mhamed, P. V. Cuong, F. Didierjean, G. Duchêne, S. Essabaa, G. Germogli, L. H. Khiem, C. Lau, I. Matea, M. Niikura, B. Roussière, I. Stefan, D. Testov, and J.-C. Thomas
Phys. Rev. C 88, 047301 – Published 14 October 2013

Abstract

The decay of 84Ga has been reinvestigated at the PARRNe online mass separator of the electron-driven installation ALTO at IPN Orsay. The nominal primary electron beam of 10 μA (50 MeV) on a 238UCx target in combination with resonant laser ionization were used for the first time at ALTO. Improved level schemes of the neutron-rich 83,84Ge (Z=32) isotopes were obtained. The experimental results are compared with the state-of-the-art shell model calculations and discussed in terms of collectivity development in the natural valence space outside the 78Ni core.

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  • Received 4 August 2013

DOI:https://doi.org/10.1103/PhysRevC.88.047301

©2013 American Physical Society

Authors & Affiliations

K. Kolos1,2,*, D. Verney1, F. Ibrahim1, F. Le Blanc1,3, S. Franchoo1, K. Sieja3, F. Nowacki3, C. Bonnin1, M. Cheikh Mhamed1, P. V. Cuong4, F. Didierjean3, G. Duchêne3, S. Essabaa1, G. Germogli1, L. H. Khiem4, C. Lau1, I. Matea1,5, M. Niikura1,5, B. Roussière1, I. Stefan1, D. Testov1,6, and J.-C. Thomas7

  • 1Institut de Physique Nucléaire, CNRS/IN2P3 and Université Paris Sud, Orsay, France
  • 2University of Tennessee, Knoxville, Tennessee 37996, USA
  • 3Institut Pluridisciplinaire Hubert Curien, CNRS/IN2P3 and Université de Strasbourg, Strasbourg, France
  • 4Center of Nuclear Physics, Institute of Physics, Vietnam Academy of Science and Technology, Hanoi, Vietnam
  • 5Department of Physics, University of Tokyo, Hongo, Bunkyo-ku, Tokyo, Japan
  • 6Flerov Laboratory of Nuclear Reactions, Joint Institute of Nuclear Research, Dubna, Russia
  • 7Grand Accélérateur National d'Ions Lourds (GANIL), CEA/DSM-CNRS/IN2P3, Caen, France

  • *kkolos@utk.edu

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Vol. 88, Iss. 4 — October 2013

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