Search results for "E=340–375 MeV"

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Lifetimes of intruder states in 186Pb, 188Pb and 194Po

2008

Abstract Lifetimes of prolate intruder states in 186Pb and 188Pb and oblate intruder states in 194Po have been determined through recoil distance Doppler-shift lifetime measurements. Deformation parameters of | β 2 | = 0.29 ( 5 ) and | β 2 | = 0.17(3) have been extracted from experimental B ( E 2 ) values for the prolate and the oblate bands, respectively. The present study addresses the phenomenon of shape coexistence typical for the nuclei near Z = 82 and N = 104 , providing information on configuration mixing of intrinsic structures of the nuclei of interest. The results are compared with the available lifetime data and theoretical results for neutron-deficient Po, Pb, Hg and Pt nuclei. …

Nuclear reactionPhysicsNuclear and High Energy Physics21.10.Tg; 23.20.Lv; 27.70.+q; 27.80.+wquadrupole moment[PHYS.NUCL]Physics [physics]/Nuclear Theory [nucl-th]010308 nuclear & particles physics114Cd(83Kr 3n)Prolate spheroid7. Clean energy01 natural sciencesdeformation parametersE=340–375 MeVRecoil108Pd106Pd0103 physical sciencesQuadrupoleOblate spheroidDeformation (engineering)Atomic physics010306 general physicsnuclear reactionsMixing (physics)
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