New neutron-rich nuclei Zr103,104 and the A∼100 region of deformation

M. A. C. Hotchkis, J. L. Durell, J. B. Fitzgerald, A. S. Mowbray, W. R. Phillips, I. Ahmad, M. P. Carpenter, R. V. F. Janssens, T. L. Khoo, E. F. Moore, L. R. Morss, Ph. Benet, and D. Ye
Phys. Rev. Lett. 64, 3123 – Published 25 June 1990
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Abstract

Partial decay schemes in the neutron-rich nuclei Zr103 and Zr104 have been measured for the first time and rotational bands in Zr100102 have been extended to spins of up to 10ħ by observing prompt γ rays from the spontaneous fisson of Cm248. These nuclei are among the most deformed known at low spin and excitation energy. The level structures in the odd-A nuclei show that the h11/2 intruder orbital plays an important role in stabilizing the deformation in this region.

  • Received 5 February 1990

DOI:https://doi.org/10.1103/PhysRevLett.64.3123

©1990 American Physical Society

Authors & Affiliations

M. A. C. Hotchkis, J. L. Durell, J. B. Fitzgerald, A. S. Mowbray, and W. R. Phillips

  • Department of Physics, University of Manchester, Manchester M13 9PL, United Kingdom

I. Ahmad, M. P. Carpenter, R. V. F. Janssens, T. L. Khoo, E. F. Moore, and L. R. Morss

  • Argonne National Laboratory, Argonne, Illinois 60439

Ph. Benet

  • Purdue University, West Lafayette, Indiana 47907

D. Ye

  • University of Notre Dame, Notre Dame, Indiana 46556

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Issue

Vol. 64, Iss. 26 — 25 June 1990

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