Evidence for non-axial shapes in81, 82, 83Kr |
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| Authors: | P Kemnitz J Döring L Funke F R May P Ojeda E Will G Winter |
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| Institution: | 1. Zentralinstitut für Kernforschung Rossendorf, Akademie der Wissenschaften der DDR, Postschlie?fach 19, DDR-8051, Dresden, German Democratic Republic
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| Abstract: | Excitations up to I=12 have been found in82Kr during an (α, 2n) in-beam experiment. Several levels are interpreted as due to (g9/2)2 neutron excitations. A comparison with g9/2 neutron bands in81, 83Kr and with cranked shell model calculations indicates non-axial deformation in connection with a rotation-aligned band starting with an 8+ level. Non-collective excitations, 8+ (and 6+), have been interpreted as deformation-aligned two-neutron states. |
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