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Comparison of calculated and experimental neutron attenuation and streaming data for fusion reactor design

Description: Integral experiments that measure the neutron and gamma-ray energy spectra resulting from the attenuation of approx. 14 MeV T(D,n)/sup 4/He reaction neutrons in laminated slabs of stainless steel type 304, borated polyethylene, and a tungsten alloy (Hevimet) and from neutrons streaming through a 30-cm-diameter iron duct (L/D = 3) imbedded in a concrete shield have been performed at the Oak Ridge National Laboratory. The facility, NE-213 liquid scintillator detector system, and experimental techniques used to obtain the measured data are described. The two-dimensional discrete ordinates radiation transport codes, calculational models, and nuclear data used in the analysis of the experiments are reviewed.
Date: January 1, 1980
Creator: Santoro, R.T.; Alsmiller, R.G. Jr.; Barnes, J.M. & Chapman, G.T.
Partner: UNT Libraries Government Documents Department

Long wavelength scintillators for fiber-optic applications

Description: The use of fiber optics in plasma diagnostics has spurred the development of long wavelength scintillators with fast temporal characteristics. In this paper we describe several new liquid scintillator systems with fluorescent emissions maxima up to 730 nm. Subnanosecond scintillator FWHM response times have been obtained by the operation of liquid scintillators at elevated temperatures. Data on fiber system sensitivity versus fiber length and scintillator emission wavelength will be presented.
Date: January 1, 1980
Creator: Lyons, P.B.; Franks, L.; Lutz, S.; Flournoy, J. & Fullman, E.
Partner: UNT Libraries Government Documents Department

Antineutrino detector for anti. nu. oscillation studies at fission weapon tests and at LAMPF

Description: Two anti ..nu.. oscillation experiments are planned, incorporating large volume (4200 l) liquid scintillation detectors 1) at large distances (450 to 800 m) from fission weapon tests and 2) at 12 to 50 m from LAMPF beam dump where significant anti ..nu../sub e/ events are detected only if some oscillation operates, such as ..nu../sub ..mu../ ..-->.. ..nu../sub e/. Design criteria, detector characteristics, and experimental considerations are given.
Date: January 1, 1980
Creator: Kruse, H.W.; Loncoski, R. & Mack, J.
Partner: UNT Libraries Government Documents Department