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Investigation of lifetimes in the dipole band of $^{139}$Sm

Abstract : Lifetimes have been measured for a dipole band in 139Sm using DSAM. The deduced B(M1) and B(E2) values as well as B(M1)/B(E2) ratios are compared with calculations in the framework of the TAC (Tilted Axis Cranking) and SPAC (Shears mechanism with Principal Axis Cranking) models. The dipole band in 139Sm can be considered as a magnetic rotational band with a prolate or triaxial nuclear deformation
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Submitted on : Monday, November 17, 2008 - 11:32:12 AM
Last modification on : Tuesday, May 4, 2021 - 11:26:07 AM

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A. A. Pasternak, E. O. Lieder, R. M. Lieder, S. Chmel, W. Gast, et al.. Investigation of lifetimes in the dipole band of $^{139}$Sm. European Physical Journal A, EDP Sciences, 2008, 37, pp.279-286. ⟨10.1140/epja/i2008-10631-5⟩. ⟨in2p3-00339196⟩



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