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Yrast decays in 87,89 Zr, 87,88,89,90 Y and 86 Sr from 74,76 Ge( 18 O,xn,yp,z ) reactions

1986; IOP Publishing; Volume: 12; Issue: 10 Linguagem: Inglês

10.1088/0305-4616/12/10/012

2057-763X

E. K. Warburton, J. W. Olness, C. J. Lister, J. A. Becker, S. D. Bloom,

X-ray Spectroscopy and Fluorescence Analysis

Gamma-ray data from 74,76Ge+18O fusion-evaporation reactions are analysed to provide data on yrast decay schemes in 87,89Zr, 87,88,89,90Y and 86Sr. The data include excitation functions, angular distributions, gamma - gamma coincidences, linear polarisation measurements and lifetimes deduced from both Doppler shift attenuation and recoil distance measurements. Shell-model calculations are presented for 88,90Y and 86Sr.