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|Title:||Neutron spectra measurement and comparison of the HFR and THOR BNCT beams|
|Authors:||LIU Yuan-Hao; NIEVAART Victor Alexander; TSAI Pi-En; LIU Hong-Ming; MOSS Raymond; JIANG Shiang-Huei|
|Citation:||APPLIED RADIATION AND ISOTOPES vol. 67 no. 7-8S p. S137-S140|
|Publisher:||PERGAMON-ELSEVIER SCIENCE LTD|
|Type:||Articles in periodicals and books|
|Abstract:||This paper aims to measure the spectra of HB11 (high flux reactor, HFR) and the Tsing Hua open-pool reactor (THOR) boron neutron capture therapy (BNCT) beams by multiple activation foils. The selfshielding corrections were made with the aid of MCNP calculations. The initial spectra were adjusted by a sophisticated process named coarse-scaling adjustment using SAND-EX, which can adjust a given coarse-group spectrum into a fine-group structure, i.e. 640 groups, with excellent continuity. The epithermal neutron flux of the THOR beam is about three times of HB11. The thermal neutron flux, boron and gold reaction rates along the central axis of a PMMA phantom are calculated for both adjusted spectra for comparison.|
|JRC Institute:||Energy, Transport and Climate|
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