Multipolarity of the continuum γ-rays in 152Dy and 160Er via linear polarisation measurements |
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Authors: | JP Vivien Y Schutz FA Beck E Bozek T Byrski C Gehringer JC Merdinger |
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Institution: | Centre de Recherches Nucléaires et Université Louis Pasteur, 67037 Strasbourg Cédex, France |
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Abstract: | The multipolarity of the continuum transitions in 152Dy and 160Er has been deduced from γ-ray linear polarisation and angular distribution measurements. The yrast part for 160Er agrees with the predicted stretched E2 cascade. The statistical parts for both 152Dy and 160Er consist of a mixture of dipolar stretched and non-stretched transitions, predominantly of electrical character. Below 1.5 MeV, the data of 152Dy exhibit a different structure, and reveal a stretched M1 component in the low-energy region. |
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