Abstract
We have determined the isomeric ratios in 120Te(γ, n)119m,gTe, 122Te(γ, n)121m,gTe, 128Te(γ, n)127m,gTe and 130Te(γ, n)129m,gTe photonuclear reactions of natural tellurium induced by bremsstrahlungs with end-point energies in the giant dipole resonance (GDR) region. The investigated samples were irradiated at electron accelerator Microtron MT-25 of the Flerov Laboratory of Nuclear Reaction, Joint Institute for Nuclear Research, Dubna, Russia. The gamma spectra of the samples irradiated were measured with spectroscopic system consisting of 8192 channel analyzer and high-energy resolution (180 keV at gamma ray 1,332 keV of 60Co) HP(Ge) semiconductor detector Canberra. The GENIE2000 (Canberra) computer program was used for data processing. The results were discussed and compared with those of other authors.
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Acknowledgments
This work has been performed at the Flerov Laboratory of Nuclear Reaction, Joint Institute for Nuclear Research, Dubna, Russia. The authors would like to express sincere thanks to the Chemical Department of the Flerov Laboratory of Nuclear Reaction for providing the measurement system. The financial supports from the Vietnam National Foundation for Science and Technology Development (NAFOSTED) are highly appreciated.
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Thiep, T.D., An, T.T., Cuong, P.V. et al. The isomeric ratios in photonuclear reactions of natural tellurium induced by bremsstrahlungs with endpoint energies in the giant dipole resonance region. J Radioanal Nucl Chem 289, 637–645 (2011). https://doi.org/10.1007/s10967-011-1137-4
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DOI: https://doi.org/10.1007/s10967-011-1137-4