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Charge-Exchange Dipole and Spin-Dipole Resonances in Deformed Nuclei

机译：变形核中的电荷交换偶极子和自旋偶极子共振

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The (p, n) and (n, p) transition strength functions with excitation spin-dipole (with lambdasup( pi )=0sup(-), 1 exp - , 2 exp - ) and E1 charge-exchange resonances in deformed nuclei in the regions 156 <= A <= 168 and 236 <= A <= 240 are calculated in the RPA. It is shown that the spin-dipole resonance with lambdasup( pi ) = 0 exp - , 1 exp - , and 2 exp - strength is distributed within 14-33 MeV. The maximum region of this resonance contains (87-89)% of the (p, n) strength. The low-energy part 2-14 MeV has only the states with lambda=2. The E1 charge-exchange resonance is distributed within 25-29 MeV. It is splitted with delta E equal to 0.6-2 MeV into two peaks with Isup( pi )K=1 exp - O and 1 exp - 1. This resonance strength is concentrated in a narrower energy region in comparison with the ordinary E1 giant resonance. In the region of 4-7 MeV around maximum (73-77)% of E1 strength is concentrated. The total (n, p) transition strength is 10-200 times as small as the total (p, n) transition strength. (Atomindex citation 15:043138)

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