The^(nat)Mo(γ,xnp)^(95m,g)Nb photonuclear reaction was studied using the electron beam from the NSC KIPT linear accelerator LUE-40.The experiment was performed using the activation and off-lineγ-ray spectrometric te...The^(nat)Mo(γ,xnp)^(95m,g)Nb photonuclear reaction was studied using the electron beam from the NSC KIPT linear accelerator LUE-40.The experiment was performed using the activation and off-lineγ-ray spectrometric technique.The experimental isomeric yield ratio(IR)was determined for the reaction products^(95m,g)Nb at the bremsstrahlung end-point energy E_(γmax)range of 38-93 MeV.The obtained values of IR are in satisfactory agreement with the results of other studies and extend the range of previously known data.The theoretical values of the yields Y_(m,g)(E_(γmax))and the IR for the isomeric pair^(95m,g)Nb from the^(nat)Mo(γ,xnp)reaction were calculated using the partial cross-sectionsσ(E)from the TALYS1.95 code for six different level density models.For the investigated range of E_(γmax),the theoretical dependence of IR on energy was confirmed-the IR smoothly increases with increasing energy.The comparison showed a noticeable difference(more than 3.85 times)in the experimental IR relative to all theoretical estimates.展开更多
文摘The^(nat)Mo(γ,xnp)^(95m,g)Nb photonuclear reaction was studied using the electron beam from the NSC KIPT linear accelerator LUE-40.The experiment was performed using the activation and off-lineγ-ray spectrometric technique.The experimental isomeric yield ratio(IR)was determined for the reaction products^(95m,g)Nb at the bremsstrahlung end-point energy E_(γmax)range of 38-93 MeV.The obtained values of IR are in satisfactory agreement with the results of other studies and extend the range of previously known data.The theoretical values of the yields Y_(m,g)(E_(γmax))and the IR for the isomeric pair^(95m,g)Nb from the^(nat)Mo(γ,xnp)reaction were calculated using the partial cross-sectionsσ(E)from the TALYS1.95 code for six different level density models.For the investigated range of E_(γmax),the theoretical dependence of IR on energy was confirmed-the IR smoothly increases with increasing energy.The comparison showed a noticeable difference(more than 3.85 times)in the experimental IR relative to all theoretical estimates.
