Metamorphosis of a 35 year-old triga reactor into a modern BNCT facility

Iiro Auterinen, Pekka Hiismäki, Petri Kotiluoto, Rolf Rosenberg, Seppo Salmenhaara, Tiina Seppälä, Tom Seren, Vesa Tanner, Carita Aschan, Mika Kortesniemi, Antti Kosunen, Juha Lampinen, Sauli Savolainen, Matti Toivonen, Petteri Välimäki

Research output: Chapter in Book/Report/Conference proceedingChapter or book articleProfessional


Using FiR 1, a 250kW TRIGA reactor as a neutron source for BNCT was screened as a viable option in 1990, as the future of the reactor was questioned. By the initiative of the medical radio isotope group at VTT the Finnish BNCT project started incorporating early on also the medical and medical physics sides.1,2 At first a thermal neutron source only was considered conceivable, but quite soon it was realized that using aluminum-aluminum fluoride moderator a high quality epithermal neutron source was quite feasible.3 After gaining support both from the medical community as well as from private and state financing sources a decision was made in 1994 to accomplish the necessary changes in the reactor and the reactor hall.
Original languageEnglish
Title of host publicationFrontiers in Neutron Capture Therapy
EditorsM. Frederick Hawthorne, Kenneth Shelly, R. J. Wiersema
ISBN (Electronic)978-1-4615-1285-1
ISBN (Print)978-1-4613-5478-9
Publication statusPublished - 2001
MoE publication typeD2 Article in professional manuals or guides or professional information systems or text book material


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