Geometry and Barrier Attenuation Generated by a Vertical Slab Exposed to a Plane Co60 PDF Download
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Author: G. E. Plummer
Publisher:
ISBN:
Category : Attenuation (Physics)
Languages : en
Pages : 58
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Book Description
A solution to the problem of how one may determine the dose received by a detector that has a vertical barrier interposed between it and a horizontal infinite radiation field has been attempted. Steel barriers of effective mass thickness 0 to 73 lb/ft]2 were employed. The detector was collimated so that regardless of its distance from the barrier it always saw a constant circular area on the barrier. The infinite radiation field was simulated by a traveling Co]60 source that was pumped through an array of plastic tubing that covered a 100-ft semicircular area. An extrapolation to the infinite field case attempted. The final results are expressed as ratios of dose received by an unprotected detector 3 ft above the plane. The experimental points are compared to a family of theoretical curves.
Author: G. E. Plummer
Publisher:
ISBN:
Category : Attenuation (Physics)
Languages : en
Pages : 58
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Book Description
A solution to the problem of how one may determine the dose received by a detector that has a vertical barrier interposed between it and a horizontal infinite radiation field has been attempted. Steel barriers of effective mass thickness 0 to 73 lb/ft]2 were employed. The detector was collimated so that regardless of its distance from the barrier it always saw a constant circular area on the barrier. The infinite radiation field was simulated by a traveling Co]60 source that was pumped through an array of plastic tubing that covered a 100-ft semicircular area. An extrapolation to the infinite field case attempted. The final results are expressed as ratios of dose received by an unprotected detector 3 ft above the plane. The experimental points are compared to a family of theoretical curves.
Author:
Publisher:
ISBN:
Category : Science
Languages : en
Pages : 1416
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Author: Zolin G. Burson
Publisher:
ISBN:
Category : Attenuation (Physics)
Languages : en
Pages : 96
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Book Description
Additional measurements at this same location were made to determine: (1) the skyshine dose rate as a function of distance from a cobalt-60 source placed on an air-ground interface: (2) the geometry factor describing a detector response to scattered gamma rays at the air-ground interface from a point isotropic cobalt-60 source on the ground 100 ft away; and (3) lip scatter and wall backscatter corrections for a detector in an open hole exposed to skyshine radiation from cobalt-60. The results apply to a variation of shielding problems. One practical application is the shielding provided by basement roofs and exposed basement walls from skyshine radiation originating from fallout.
Author: A. E. Profio
Publisher:
ISBN:
Category : Radiation dosimetry
Languages : en
Pages : 120
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Author:
Publisher:
ISBN:
Category : Nuclear energy
Languages : en
Pages : 2066
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Author: U.S. Atomic Energy Commission. Division of Technical Information
Publisher:
ISBN:
Category : Nuclear energy
Languages : en
Pages : 826
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Author:
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ISBN:
Category : Physics
Languages : en
Pages : 44
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Author: John Howard Hubbell
Publisher:
ISBN:
Category : Radioactive fallout
Languages : en
Pages : 48
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Author:
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ISBN:
Category : Research
Languages : en
Pages : 892
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Author:
Publisher:
ISBN:
Category : Union catalogs
Languages : en
Pages : 680
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Book Description
Includes entries for maps and atlases
