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Induction linacs as radiation processors

Description: Experiments at the Lawrence Livermore National Laboratory (LLNL), University of California, in conjunction with the University of California at Davis have shown induction linear accelerators (linacs) to be suitable for radiation processing of food. Here we describe how it might be possible to optimize this technology developded for the Department of Defense to serve in radiation processing. The possible advantages of accelerator-produced radiation over the use of radioisotopes include a tailor-… more
Date: April 14, 1986
Creator: Birx, D.L.
Partner: UNT Libraries Government Documents Department
open access

Multifragmentation in intermediate energy heavy ion collisions

Description: The GSL/LBL plastic ball/wall detector system was used to gain insight into the fragment production mechanism in Au + Au and Au + Fe reactions. Full azimuthal coverage for light particles (p,d,t,/sup 3/He,/sup 4/He) and intermediate mass fragments (z greater than 10) is achieved in the forward hemisphere in the center of mass system. The complete measurement of light particles allowed a global analysis of the events and a search for collective effects in fragment emission by comparing to flow e… more
Date: April 14, 1986
Creator: Jacak, B. V.; Britt, H. C.; Claesson, G.; Doss, K. G. R.; Ferguson, R.; Gavron, A. I. et al.
Partner: UNT Libraries Government Documents Department
open access

Concentrations of dissolved methane (CH sub 4 ) and nitrogen (N sub 2 ) in groundwaters from the Hanford Site, Washington

Description: This document reports all available dissolved gas concentration data for groundwaters from the Hanford Site as of June 1985. Details of the computational procedures required to reduce data obtained from the field measurements made by the Basalt Waste Isolation Project are provided in the appendix. Most measured values for methane concentration from reference repository boreholes are in the range of from 350 to 700 mg/L for the Cohassett flow top. Because of the uncertainties associated with the… more
Date: March 14, 1986
Creator: Early, T.O.
Partner: UNT Libraries Government Documents Department
open access

Centrifugal space-charge forces in SLC

Description: A preliminary estimate is made of the effect of the centrifugal space charge forces on SLC assuming that the space-charge effect is a highly nonlinear force whose important term is the second derivative at the beam center. A scaling law is used to get the horizontal chromaticity for the arcs of SLC, and the space-charge effect on the beam is calculated on that basis. (LEW)
Date: April 14, 1986
Creator: Sands, M.
Partner: UNT Libraries Government Documents Department
open access

Natural convection burnout heat flux limit for control rods

Description: Technical Standard 105-3.05, Safety Circuits, does not require the Septifoil Supply Header Pressure Very Low safety circuit for current charges. This document develops a new requirement for this circuit based on the burnout heat flux of a control rod under natural convective cooling. Specifically, the Septifoil Supply Header Pressure Very Low safety circuit will be required whenever the calculated control rod operating heat flux exceeds 155,000 pcu/ft{sup 2}-hr.
Date: April 14, 1986
Creator: Britt, T. E.
Partner: UNT Libraries Government Documents Department
open access

Single pass collider memo: Dispersive effects of orbit errors in the SLC arcs

Description: An analytical attempt is made to estimate the perturbations of eta-functions after orbit correction of the SLC arcs. Emphasis is on the effects caused by the orbit errors created by misalignments. It is shown that the 'non-dispersive' property of a 'magnet mover' is not true whenever the vertical off-energy function is non-zero. The north arc is used as an example for numerical calculation. (LEW)
Date: November 14, 1986
Creator: Weng, W. & Sands, M.
Partner: UNT Libraries Government Documents Department
open access

Carbon-14 in waste packages for spent fuel in a tuff repository

Description: Carbon-14 is produced naturally by cosmic ray neutrons in the upper atmosphere. It is also produced in nuclear reactors, in amounts much smaller than the global inventory. About one-third of this is released directly to the atmosphere, and the other two-thirds remains in the spent fuel. Both the Environmental Protection Agency and the Nuclear Regulatory Commission have established limits on release of the {sup 14}C in spent fuel. This is of particular concern for the proposed repository in tuff… more
Date: October 14, 1986
Creator: Van Konynenburg, R.A.; Smith, C.F.; Culham, H.W. & Smith, H.D.
Partner: UNT Libraries Government Documents Department
open access

Scientific investigation plan for NNWSI WBS element 1.2.2.5.L: NNWSI waste package performance assessment: Revision 1

Description: Waste package performance assessment contains three broad categories of activities. These activities are: (1) development of a hydrothermal flow and transport model to test concepts to be used in establishing boundary conditions for performance calculations, and to interface EBS release calculations with total system performance calculations; (2) development of a waste package systems model to provide integrated deterministic assessments of performance and analyses of waste package designs; and… more
Date: October 14, 1986
Creator: Eggert, K. G.; O`Connell, W. J. & Lappa, D. A.
Partner: UNT Libraries Government Documents Department
open access

Nd-Fe-B undulator design for CESR

Description: It is proposed to build a Nd-Fe-B based undulator on CESR ring which would provide pseudomonochromatic tunable radiation in the hard x-ray range from 4 to 15 keV. Such an intense radiation source opens unlimited possibilities for doing exciting science in material science and condensed matter physics. Here, we present the design goals for such an undulator and discuss the influence of various parameters that govern the properties of radiation from undulators. The analysis of these results leads… more
Date: October 14, 1986
Creator: Shenoy, G. K.; Viccaro, P. J. & Kim, S.
Partner: UNT Libraries Government Documents Department
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