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Instruments and methods of investigation


Molybdenum-99 production via lead and bismuth moderators and milli-structure-98Mo samples by indirect production technique using Monte Carlo method


Gerash University of Medical Sciences, Imam Hussain (AS) Blv, Student Blv, Gerash, 74417-58666, Iran

This study describes the design of a neutron activator that contains a beryllium target, a lead/bismuth moderator, graphite/PbF2 reflectors, and a boron absorber. Production of 99 Mo isotope using millimeter-sized 98 Mo samples located in various regions of the activator under study was also simulated using the MCNPX-code. If the 98Mo samples are placed in the reflector region, the yield increases due to a larger flux of epithermal neutrons.

Fulltext pdf (604 KB)
Fulltext is also available at DOI: 10.3367/UFNe.2018.09.038441
Keywords: neutron activator, neutron moderator materials, adiabatic resonance crossing, radioisotope production, molybdenum transmutation, nuclear medicine, Monte Carlo method
PACS: 28.60.+s, 29.25.−t, 87.57.U− (all)
DOI: 10.3367/UFNe.2018.09.038441
URL: https://ufn.ru/en/articles/2019/9/f/
000504893200006
2-s2.0-85084921695
2019PhyU...62..931K
Citation: Khorshidi A "Molybdenum-99 production via lead and bismuth moderators and milli-structure-98Mo samples by indirect production technique using Monte Carlo method" Phys. Usp. 62 931–940 (2019)
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Received: 26th, April 2018, revised: 3rd, September 2018, 13th, September 2018

Оригинал: Хоршиди А «Производство молибена-99 с использованием замедлителей из свинца и висмута и миллиметровых структур 98Mo: технология непрямого получения образцов и моделирование по методу Монте-Карло» УФН 189 997–1007 (2019); DOI: 10.3367/UFNr.2018.09.038441

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