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7 Matching Results
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Rotating target for intense 14-MeV neutron source
None
Date:
February 21, 1973
Creator:
Booth, R.; Barschall, H.H. & Goldberg, E.
System:
The UNT Digital Library
Acoustic emission techniques in nondestructive testing
None
Date:
February 1, 1973
Creator:
Liptai, R. G. & Tatro, C. A.
System:
The UNT Digital Library
Development of a computer-based nuclear data compilation: Table of Isotopes
None
Date:
February 1, 1973
Creator:
Lederer, C. M. & Hollander, J. M.
System:
The UNT Digital Library
Survey of nuclear data use in applied fields
None
Date:
February 1, 1973
Creator:
Lederer, C. M. & Hollander, J. M.
System:
The UNT Digital Library
Formulas for canister and pipe design in underground nuclear emplacement
None
Date:
February 1, 1973
Creator:
Blake, A.
System:
The UNT Digital Library
Observed increase in thermal tolerance of fish caused by induced pigment adjustment
None
Date:
February 1, 1973
Creator:
Emery, R. M.
System:
The UNT Digital Library
Study of Signal Shaping and Energy Repsonse of Large NaI(Tl) Spectrometers for Application at NAL
Signal shaping properties are demonstrated with a large NaI(Tl) crystal assembly, 20 in. thick and 30 in. in diameter. Correlated energy resolution responses are shown for total energy absorption in the crystal from 580 MeV electrons. Light collection optics by diffuse reflection most likely determined the 10% to 90% rise-time of signals of 80 nsec, connected with the transit time of trapped light, before it reaches a photocathode surface. Using a signal clipping technique, the trailing edge of pulses are shaped to have base-lines entirely restored to zero. Providing good energy resolution, signals are obtained which are shaped to have 200 nsec full-width at base. The energy resolution responses from signal pulse-height measurement are demonstrated. Further improvements to obtain shorter pulse-widths are discussed and the capability of these crystals to handle several types of background is shown.
Date:
February 1, 1973
Creator:
Guiragossian, Z. G. T. & Schilling, R. F.
System:
The UNT Digital Library