全部文献期刊学位论文会议报纸专利标准年鉴图书|学者科研项目
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作者:Cheolmin Ham , Vivek Raghunath Chavan ...
来源:[J].Journal of the Korean Physical Society(IF 0.506), 2018, Vol.73 (3), pp.271-277Springer
摘要:Abstract(#br)A silicon detector combined with a thin polyethylene converter and a collimator is designed as a simple proton recoil telescope (PRT) detector for detecting 2.45 MeV neutrons from a D-D neutron generator. Monte Carlo simulations are performed for a quantitative ...
作者:Cheolmin Ham , Jae Won Shin ...
来源:[J].Journal of the Korean Physical Society(IF 0.506), 2016, Vol.68 (9), pp.1060-1068Springer
摘要:Abstract(#br)We have developed MICROMEGAS (MICRO MEsh GASeous) detectors for detecting a particles emitted from an 241Am standard source. The voltage applied to the ionization region of the detector is optimized for stable operation at room temperature and atmospheric ...
作者:Cheolmin Ham , Eun Jin In ...
来源:[J].Nuclear Inst. and Methods in Physics Research, A(IF 1.142), 2015, Vol.797, pp.304-310Elsevier
摘要:Abstract(#br)Neutrons over a wide range of energies are produced by bombarding a 1.05 cm thick beryllium target with protons of different energies delivered by the MC-50 Cyclotron of the Korea Institute of Radiological Medical Sciences (KIRAMS). The neutron flux Φ ( E n ) ve...
作者:Cheolmin Ham , Tae-Sun Park
来源:[J].Nuclear Inst. and Methods in Physics Research, B(IF 1.266), 2015, Vol.349, pp.221-229Elsevier
摘要:Abstract(#br)A so-called “two-step reaction scheme”, in which neutron-rich rare isotopes obtained from ISOL are post-accelerated and bombarded on a second target, is employed to estimate the production yields of exotic rare isotopes. The production yields of neutron-rich rar...
作者:Cheolmin Ham , Eun Jin In ...
来源:[J].EPJ Web of Conferences, 2017, Vol.146EDP Sciences
摘要:We measured 209Bi(n, 4n) cross sections at neutron energies E n = 29.8 ± 1.8 MeV and E n = 34.8 ± 1.8 MeV. Bismuth oxide samples were irradiated with the neutrons produced by impinging 30, 35 and 40 MeV proton beams on a 1.05 cm thick ber...
作者:Cheolmin Ham , Do Yoon Kim ...
来源:[J].EPJ Web of Conferences, 2017, Vol.146EDP Sciences
摘要:A proton cyclotron MC-50 in Korea Institute of Radiological & Medical Science (KIRAMS) is used to carry out neutron activation experiments with Y2O3 targets irradiated with neutron beams of a continuous spectrum produced by proton beams on a thick beryl...

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