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Nobuhara, F.; Kuroyanagi, M.; Masumoto, K.; Nakamura, H.; Toyoda, A.; Takahashi, K.
EPJ Web of Conferences, Proceedings of the 13. international conference on radiation shielding and 19. topical meeting of the radiation protection and shielding division of the American Nuclear Society - 20162017
EPJ Web of Conferences, Proceedings of the 13. international conference on radiation shielding and 19. topical meeting of the radiation protection and shielding division of the American Nuclear Society - 20162017
AbstractAbstract
[en] In order to evaluate the state of activation in a cyclotron facility used for the radioisotope production of PET diagnostics, we measured the neutron flux by using gold foils and TLDs. Then, the spatial distribution of neutrons and induced activity inside the cyclotron vault were simulated with the Monte Carlo calculation code PHITS for neutron transport and DCHAIN-SP for activation calculation. The calculated results are in good agreement with measured values within factor 3. Therefore, the adaptation of the advanced evaluation procedure for activation level is proved to be important for the planning of decommissioning of these facilities. (authors)
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Malgavi, F.; Malouch, F.; Diop, C.M'B.; Miss, J.; Trama, J.C. (eds.); EDP Sciences, 17, Avenue du Hoggar, Parc d'Activite de Courtaboeuf, BP 112, F-91944 Les Ulis Cedex A (France); v. 153 [1590 p.]; 2017; p. 04007.p.1-04007.p.6; ICRS-13: 13. international conference on radiation shielding; Paris (France); 3-6 Oct 2016; RPSD-2016: 19. topical meeting of the radiation protection and shielding division of the American Nuclear Society; Paris (France); 3-6 Oct 2016; Available from doi: http://dx.doi.org/10.1051/epjconf/201715304007; 12 refs.; This record replaces 51039496
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