Results 231 to 240 of about 170,377 (287)
Constraining the impact of chlorine as a neutron absorber in next-gen fast reactor designs. [PDF]
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The Lancet, 1972
This paper discusses the rationale of fast neutron therapy and presents some early results obtained at the Medical Research Council's Cyclotron Unit at Hammersmith Hospital, London. The importance of the oxygen enhancement ratio for fast neutrons is considered, together with the significance of the small proportion of anoxic cells present in most ...
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This paper discusses the rationale of fast neutron therapy and presents some early results obtained at the Medical Research Council's Cyclotron Unit at Hammersmith Hospital, London. The importance of the oxygen enhancement ratio for fast neutrons is considered, together with the significance of the small proportion of anoxic cells present in most ...
+8 more sources
Review of Scientific Instruments, 1949
A simple fast neutron detector suitable for health physics applications has been constructed using two 931A photo-multiplier tubes in coincidence to reduce background. A ``sandwich'' made of Lucite and activated zinc sulfide is used to produce the scintillations.
W G, MOULTON, C W, SHERWIN
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A simple fast neutron detector suitable for health physics applications has been constructed using two 931A photo-multiplier tubes in coincidence to reduce background. A ``sandwich'' made of Lucite and activated zinc sulfide is used to produce the scintillations.
W G, MOULTON, C W, SHERWIN
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Radiology, 1953
This paper summarizes the recent work on fast neutron dosimetry done by the Health Physics Division of the Oak Ridge National Laboratory. Neutrons do not ionize directly, but by various reactions with tissue they produce particles which do ionize. In the case of fast neutrons the important reactions are the elastic collisions with hydrogen, carbon ...
G S, HURST, R H, RITCHIE
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This paper summarizes the recent work on fast neutron dosimetry done by the Health Physics Division of the Oak Ridge National Laboratory. Neutrons do not ionize directly, but by various reactions with tissue they produce particles which do ionize. In the case of fast neutrons the important reactions are the elastic collisions with hydrogen, carbon ...
G S, HURST, R H, RITCHIE
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2009 23rd IEEE/NPSS Symposium on Fusion Engineering, 2009
As a part of the FAST (Fusion Advanced Studies Torus) project a neutronic analysis has been performed aimed to design optimization and radiological safety assessment. The neutron emissivity source foreseen for various FAST scenarios has been calculated and used as input for Monte Carlo calculations.
R. Villari +7 more
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As a part of the FAST (Fusion Advanced Studies Torus) project a neutronic analysis has been performed aimed to design optimization and radiological safety assessment. The neutron emissivity source foreseen for various FAST scenarios has been calculated and used as input for Monte Carlo calculations.
R. Villari +7 more
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Fast Neutron Radiation Therapy
Annual Review of Biophysics and Bioengineering, 1982Cancer therapy continues to advance on two fronts concerned respec tively with ablation of local and regional disease by surgery or radiation and control of distant spread or dissemination by immunotherapy and chemotherapy. Local control of nonresectable cancer by irradiation fre quently fails (in about one-third of patients referred) owing to a ...
L, Cohen, M, Awschalom
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Medical Physics, 2005
An investigation of the therapeutic potential of boron neutron capture (BNC) enhancement of fast neutron therapy utilizing the Harper University Hospital superconducting cyclotron‐produced fast neutron therapy beam is presented. A technique for modification of the fast neutron beam to increase the BNC enhancement is presented along with an evaluation ...
Jay, Burmeister +3 more
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An investigation of the therapeutic potential of boron neutron capture (BNC) enhancement of fast neutron therapy utilizing the Harper University Hospital superconducting cyclotron‐produced fast neutron therapy beam is presented. A technique for modification of the fast neutron beam to increase the BNC enhancement is presented along with an evaluation ...
Jay, Burmeister +3 more
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Fast neutron radiation therapy
Critical Reviews in Oncology/Hematology, 1992Fast neutron radiation therapy was first used as a cancer treatment tool by Robert Stone at the Lawrence Berkeley Laboratory in 1938 [l]. Using the Berkeley cyclotron, Dr. Stone treated a series of patients with advanced malignancies in various locations to high doses.
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