Proton beam simulation with MCNPX/CINDER'90: Germanium metal activation estimates below 30MeV relevant to the bulk production of arsenic radioisotopes |
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| Authors: | Fassbender M Taylor W Vieira D Nortier M Bach H John K |
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| Affiliation: | Chemistry Division, Los Alamos National Laboratory, P.O. Box 1663, Los Alamos, NM, 87544, USA. mfassbender@gmail.com |
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| Abstract: | Germanium metal targets encapsulated in Nb shells were irradiated in a proton beam. Proton and secondary neutron beam fluences as well as radionuclide activity formation were modeled using MCNPX in combination with CINDER90. Targets were chemically processed using distillation and anion exchange. Good agreement between the measured radiochemical yields and MCNPX/CINDER90 estimates was observed. A target of pentavalent (73,74)As radioarsenic for neutron activation studies was prepared. |
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