High-spin states in 215Fr

N Schulz; S Khazrouni; A Chevallier; J Chevallier; L Kraus; I Linck; D C Radford; J Dudek; W Nazarewicz

doi:10.1088/0305-4616/10/9/010

High-spin states in ²¹⁵Fr

N Schulz¹, S Khazrouni¹, A Chevallier¹, J Chevallier¹, L Kraus¹, I Linck¹, D C Radford¹, J Dudek¹ and W Nazarewicz¹

Published under licence by IOP Publishing Ltd
Journal of Physics G: Nuclear Physics, Volume 10, Number 9 Citation N Schulz et al 1984 J. Phys. G: Nucl. Phys. 10 1201 DOI 10.1088/0305-4616/10/9/010

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¹ Univ. Louis Pasteur, Strasbourg, France

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Abstract

An alpha-particle and gamma-ray investigation of ²¹⁵Fr was performed by means of the reaction ²⁰⁸Pb(¹¹B, 4n). Gamma-ray angular distributions, gamma - gamma and alpha - gamma coincidences time centroid shifts and pulsed-beam isomeric decay rates were measured. Excited states were observed up to spins of about ⁴⁷/₂ and 3.5 MeV excitation energy. An interpretation of the results is given in terms of a particle-hole analysis based on the Woods-Saxon single-particle potential.

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