Fast Neutron Therapy with 252Cf.

Fast Neutron Therapy: a Status Report

The paper, in its first part, outlines the place of the fast neutron therapy (FNT) in the concert of radiation therapies by listing the active facilities, comparing technical and statistical data, and summarizing distinct biological properties of fast neutrons. The gross situation of Boron neutron capture therapy (BNCT) is mentioned as well. As well as the number of patients is decreasing, FNT ...

Pleural mesothelioma treated by fast neutron therapy.

Fast neutron radiation therapy for glioblastoma

median &Val f& the neutron-boost groupwas 9.8 months, compred to 8.6 months for the photon-boost group. The difference is not statistically significant Autopsies rev& actively growing persistent tumor in dl photon-treated patients compared to no evidence of actively growing tumor in the majority of neutrontreated patients lthough uncommon when compared to other A human malignancies, approximate...

fast neutron dosimetry in an in vivo neutron activation facility

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Tagging fast neutrons from a 252Cf fission-fragment source.

Coincidence and time-of-flight measurement techniques are employed to tag fission neutrons emitted from a 252Cf source sealed on one side with a very thin layer of Au. The source is positioned within a gaseous 4He scintillator detector. Together with α particles, both light and heavy fission fragments pass through the thin layer of Au and are detected. The fragments enable the corresponding fis...