Deformation on isomeric excitation of Eu isotopes in [Formula Presented] and [Formula Presented] reactions

Isomeric ratios in [Formula Presented] and [Formula Presented] reactions in Eu isotopes were measured. Thermal neutrons and bremsstrahlung photons in the giant dipole resonance energy range of 13–22 MeV were used to excite the isomeric states. The isomeric levels [Formula Presented] and [Formula Presented] were excited in the isotopes [Formula Presented] and [Formula Presented] The cross section for the reaction [Formula Presented] leading to the high-spin isomeric state [Formula Presented] on [Formula Presented] isotope was measured in the giant-dipole-resonance region by the activation method. Experimental values of the isomeric cross section ratios were compared with the theoretical values. The influence of the nuclei quadropole deformation on the isomeric ratio was described. © 1998 The American Physical Society.

Duke Scholars

Author Anton P. Tonchev Physics