Bremsstrahlung fluxes for irradiating tantalum samples were formed by irradiating a tungsten converter with an electron beam having energy up to 130 MeV.The relative yields and flux-averaged cross-sections of multinuc...Bremsstrahlung fluxes for irradiating tantalum samples were formed by irradiating a tungsten converter with an electron beam having energy up to 130 MeV.The relative yields and flux-averaged cross-sections of multinucleon photonuclear reactions that emit up to nine neutrons in^(181)Ta nuclei were determined.Monte Carlo simulations for studying the yields of photonuclear reactions were performed using Geant4 and TALYS-2.0 codes.The obtained experimental results were compared with available literature data and calculated results.The comparison showed that the values of the relative reaction yield and flux-averaged cross-section coincide with the literature data,considering the different geometries of the experiments.The calculated results coincide with the experimental ones only for reactions that emit up to five neutrons from the nucleus.展开更多
The yields of photonuclear reactions in the 107Ag,113In,and 115In nuclei were measured.Monte Carlo simulations were performed using the Geant4 code,and the results were compared with the experimental values.The isomer...The yields of photonuclear reactions in the 107Ag,113In,and 115In nuclei were measured.Monte Carlo simulations were performed using the Geant4 code,and the results were compared with the experimental values.The isomeric ratios of the yields in the reactions 107Ag(γ,n)106m,gAg and 113In(γ,m)112m,gIn were determined,and the cross sections for the reactions 107Ag(γ,n)106gAg and 107Ag(γ,2n)105Ag at an energy of 20 MeV were calculated based on the experimental data.展开更多
Relative yields were measured in the 40−130 MeV bremsstrahlung induced reactions of ^(59)Co.The experiments were performed with the beam from the electron linear accelerator LINAC-200 using the activation and off-line...Relative yields were measured in the 40−130 MeV bremsstrahlung induced reactions of ^(59)Co.The experiments were performed with the beam from the electron linear accelerator LINAC-200 using the activation and off-lineγ-ray spectrometric techniques.The bremsstrahlung photon flux was calculated with the Geant4 program.The cross sections were calculated by using the computer code TALYS-1.96 with different models and were found to be in good agreement with the experimental data.展开更多
文摘Bremsstrahlung fluxes for irradiating tantalum samples were formed by irradiating a tungsten converter with an electron beam having energy up to 130 MeV.The relative yields and flux-averaged cross-sections of multinucleon photonuclear reactions that emit up to nine neutrons in^(181)Ta nuclei were determined.Monte Carlo simulations for studying the yields of photonuclear reactions were performed using Geant4 and TALYS-2.0 codes.The obtained experimental results were compared with available literature data and calculated results.The comparison showed that the values of the relative reaction yield and flux-averaged cross-section coincide with the literature data,considering the different geometries of the experiments.The calculated results coincide with the experimental ones only for reactions that emit up to five neutrons from the nucleus.
基金gratitude to the team of the LINAC-200 electron accelerator and the management of the Joint Institute for Nuclear Research for their support in conducting the experiments。
文摘The yields of photonuclear reactions in the 107Ag,113In,and 115In nuclei were measured.Monte Carlo simulations were performed using the Geant4 code,and the results were compared with the experimental values.The isomeric ratios of the yields in the reactions 107Ag(γ,n)106m,gAg and 113In(γ,m)112m,gIn were determined,and the cross sections for the reactions 107Ag(γ,n)106gAg and 107Ag(γ,2n)105Ag at an energy of 20 MeV were calculated based on the experimental data.
基金Supported in part by the Ministry of Science and Higher Education of the Russian Federation (075-15-2021-1360)by the project of the National Center for Physics and Mathematics (NCPM)No.6“Nuclear and Radiation Physics,”direction 6.5.1。
文摘Relative yields were measured in the 40−130 MeV bremsstrahlung induced reactions of ^(59)Co.The experiments were performed with the beam from the electron linear accelerator LINAC-200 using the activation and off-lineγ-ray spectrometric techniques.The bremsstrahlung photon flux was calculated with the Geant4 program.The cross sections were calculated by using the computer code TALYS-1.96 with different models and were found to be in good agreement with the experimental data.
