Magnetic moment of the 13/2(+) isomeric state in Cu-69: Spin alignment in the one-nucleon removal reaction

Abstract : We report on a new measurement of the g factor of the (13/2(+)) isomeric state in the neutron-rich nucleus Cu-69. This study demonstrates the possibility of obtaining considerable nuclear spin alignment for multi-quasiparticle states in single-nucleon removal reactions. The time-dependent perturbed angular distribution (TDPAD) method was used to extract the gyromagnetic factor of the (13/2(+)) [T-1/2 = 351(14) ns] isomeric state of Cu-69. Its g factor was obtained as g(13/2(+)) = 0.248( 9). The experimentally observed spin alignment for the state of interest was deduced as A = -3.3(9)%.
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Submitted on : Thursday, June 9, 2016 - 10:02:33 AM
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A. Kusoglu, G. Georgiev, C. Sotty, L. Balabanski D., A. Goasduff, et al.. Magnetic moment of the 13/2(+) isomeric state in Cu-69: Spin alignment in the one-nucleon removal reaction . Physical Review C, American Physical Society, 2016, 93 (issue 5), pp.054313. ⟨10.1103/PhysRevC.93.054313⟩. ⟨in2p3-01329347⟩

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