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Spin-vibrational 1+ states in 140Ce | | E. Guliyev
; O. Yavas
; A. A. Kuliev
; | | Date: |
25 May 2001 | | Subject: | nucl-th | | Abstract: | The properties of collective I^$Pi$=1+ states in double even semimagic nucleus 140Ce are investigated in random phase approximation(RPA). The calculation of the B(M1) strength, elastic gamma-scattering cross section $sigma_(gamma)(omega)$ and gamma-decay width $Sigma_(gamma)(omega_i)$ show that in 140Ce the isovector spin-spin interactions concenrate the main strength of M1 transition at energy 7.89 MeV where the isovector spin-flip magnetic resonance may appear. The predisctions are consistent with the observed M1 strength in 140Ce which is seen to be concentrated within a range of about 0.8 MeV centered at an excitation of 7.95 MeV. | | Source: | arXiv, nucl-th/0105065 | | Services: | Forum | Review | PDF | Favorites | |
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