Electric Multipole Transitions between High-Spin States with Different Shapes | Zendy

Nobuaki Yoshida | Zendy; H. Sagawa | Zendy; A. Odahara | Zendy; T. Suzuki | Zendy

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Electric Multipole Transitions between High-Spin States with Different Shapes

Author(s) -

Nobuaki Yoshida,

H. Sagawa,

A. Odahara,

T. Suzuki

Publication year - 2009

Publication title -

progress of theoretical physics

Language(s) - English

Resource type - Journals

eISSN - 1347-4081

pISSN - 0033-068X

DOI - 10.1143/ptp.121.85

Subject(s) - multipole expansion , physics , oblate spheroid , transition rate matrix , spin states , spin (aerodynamics) , quasiparticle , state (computer science) , condensed matter physics , atomic physics , quantum mechanics , superconductivity , statistics , mathematics , algorithm , computer science , thermodynamics

Electric multipole transitions between multi-quasiparticle states with different shapes are formulated within Nilsson-BCS model. As a specific case, we investigate the transition from the oblate I = 49/2 to the spherical I = 45/2 observed in Gd. The transition rate is shown to be very sensitive to the difference in deformations between the initial and final states. To explain the observed transition rate, it is necessary to mix a well-deformed oblate-shape state into the spherical I = 45/2 state.

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