Measurement of energy deposited by charged-particle beams in composite targets
Description
We have measured the energy deposited in two types of composite targets by a number of charged-particle beams: targets made of /sup 238/U, Lucite, and polyethylene were exposed to 0.26-GeV protons and 0.33-GeV deuterons, and aluminum-Lucite composites were exposed to 0.5-GeV electrons. In addition, we measured neutrons and gamma rays emitted from solid targets of various materials (including /sup 238/U and iron) exposed to 0.26-GeV protons and 0.33-GeV deuterons. We used passive detectors (thermoluminescence dosimeters, Lexan fission track recorders, and photographic emulsions) to measure the nonfission dose and the fission-fragment dose from the primary beam and its shower of products. … continued below
Physical Description
Pages: 167
Creation Information
Farley, E.; Becker, J.; Crase, K.; Howe, R. & Selway, D. July 2, 1980.
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Lawrence Livermore National Laboratory
Place of Publication: California
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Description
We have measured the energy deposited in two types of composite targets by a number of charged-particle beams: targets made of /sup 238/U, Lucite, and polyethylene were exposed to 0.26-GeV protons and 0.33-GeV deuterons, and aluminum-Lucite composites were exposed to 0.5-GeV electrons. In addition, we measured neutrons and gamma rays emitted from solid targets of various materials (including /sup 238/U and iron) exposed to 0.26-GeV protons and 0.33-GeV deuterons. We used passive detectors (thermoluminescence dosimeters, Lexan fission track recorders, and photographic emulsions) to measure the nonfission dose and the fission-fragment dose from the primary beam and its shower of products. Measurements were made at various depths and radial positions in the targets. Plots and numerical values of the measured doses are presented. The emission of neutrons and gamma rays was measured with a liquid-deuterated-benzene detector. In general, the dose profile with depth is similar for 0.26-GeV protons and 0.33-GeV deuterons. The ratio of return neutrons to gamma rays increases with increasing target mass number. Deuterons, however, produce from 1.7 to 5.8 times as many neutrons and gamma rays per particle as do protons.
Physical Description
Pages: 167
Notes
NTIS, PC A08/MF A01.
Portions of document are illegible
Subjects
Keywords
- Actinides
- Baryon Reactions
- Baryons
- Cascade Showers
- Charged Particles
- Charged-Particle Reactions
- Charged-Particle Transport
- Colloids
- Data
- Depth Dose Distributions
- Deuteron Reactions
- Deuterons
- Dielectric Track Detectors
- Dispersions
- Dosemeters
- Electromagnetic Radiation
- Electrons
- Elementary Particles
- Elements
- Emulsions
- Energy Losses
- Energy Range
- Esters
- Experimental Data
- Fermions
- Fission
- Fission Fragments
- Fission Products
- Gamma Radiation
- Hadron Reactions
- Hadrons
- Information
- Ionizing Radiations
- Isotopes
- Leptons
- Losses
- Lucite
- Luminescent Dosemeters
- Materials
- Measuring Instruments
- Measuring Methods
- Metals
- Mev Range
- Mev Range 100-1000
- Neutrons
- Nuclear Fragments
- Nuclear Reactions
- Nucleon Reactions
- Nucleons
- Numerical Data
- Organic Compounds
- Organic Polymers
- Petrochemicals
- Petroleum Products
- Photographic Emulsions
- Plastics
- Polyacrylates
- Polyethylenes
- Polymers
- Polyolefins
- Polyvinyls
- Proton Reactions
- Protons
- Radiation Detectors
- Radiation Dose Distributions
- Radiation Transport
- Radiations
- Radioactive Materials
- Shielding
- Showers
- Spatial Dose Distributions
- Synthetic Materials
- Targets 654001* -- Radiation & Shielding Physics-- Radiation Physics, Shielding Calculations & Experiments
- Thermoluminescent Dosemeters
- Uranium
- Uranium 238 Target
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- Other: DE82015240
- Report No.: UCRL-52878
- Grant Number: W-7405-ENG-48
- Digital Object Identifier: https://doi.org/10.2172/5186010
- Office of Scientific & Technical Information Report Number: 5186010
- Archival Resource Key: ark:/67531/metadc1056548
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- July 2, 1980
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- Jan. 22, 2018, 7:23 a.m.
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- Nov. 1, 2024, 12:49 a.m.
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Farley, E.; Becker, J.; Crase, K.; Howe, R. & Selway, D. Measurement of energy deposited by charged-particle beams in composite targets, report, July 2, 1980; California. (https://digital.library.unt.edu/ark:/67531/metadc1056548/: accessed March 15, 2025), University of North Texas Libraries, UNT Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.