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    National Tsing Hua University Institutional Repository > 原子科學院  > 工程與系統科學系 > 會議論文  >  Characteristics of the new THOR epithermal neutron beam for BNCT


    Please use this identifier to cite or link to this item: http://nthur.lib.nthu.edu.tw/dspace/handle/987654321/47195


    Title: Characteristics of the new THOR epithermal neutron beam for BNCT
    Authors: Tung,C. J.;Wang,Y. L.;Hsu,F. Y.;Chang,S. L.;Liu,Y. -W H.;Yen-Wan Hsueh
    教師: 薛燕婉
    Date: 2004
    Publisher: Elsevier
    Relation: Applied Radiation and Isotopes, Elsevier, Volume 61, Issue 5, November 2004, Pages 861-864
    Keywords: Neutron beams
    Radioisotopes
    Photons
    Tissue
    Tumors
    Patient treatment
    Medical imaging
    Abstract: A characterization of the new Tsing Hua open-pool reactor (THOR) epithermal neutron beam designed for boron neutron capture therapy (BNCT) has been performed. The facility is currently under construction and expected in completion in March 2004. The designed epithermal neutron flux for 1MW power is 1.7×109ncm-2s-1 in air at the beam exit, accompanied by photon and fast neutron absorbed dose rates of 0.21 and 0.47mGys-1, respectively. With 10B concentrations in normal tissue and tumor of 11.4 and 40ppm, the calculated advantage depth dose rate to the modified Snyder head phantom is 0.53RBE-Gymin-1 at the advantage depth of 85mm, giving an advantage ratio of 4.8. The dose patterns determined by the NCTPlan treatment planning system using the new THOR beam for a patient treated in the Harvard-MIT clinical trial were compared with results of the MITR-II M67 beam. The present study confirms the suitability of the new THOR beam for possible BNCT clinical trials. © 2004 Elsevier Ltd. All rights reserved.
    URI: http://www.elsevier.com/
    http://nthur.lib.nthu.edu.tw/dspace/handle/987654321/47195
    Appears in Collections:[工程與系統科學系] 會議論文

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