Office of Scientific & Technical Information Technical Reports - 23 Matching Results

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Accelerator-based atomic physics experiments with photon and ion beams

Description: Accelerator-based atomic physics experiments at Brookhaven presently use heavy-ion beams from the Dual MP Tandem Van de Graaff Accelerator Facility for atomic physics experiments of several types. Work is presently in progress to develop experiments which will use the intense photon beams which will be available in the near future from the ultraviolet (uv) and x-ray rings of the National Synchrotron Light Source (NSLS). Plans are described for experiments at the NSLS and an exciting development… more
Date: April 26, 1984
Creator: Johnson, B. M.; Jones, K. W. & Meron, M.
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
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Beam model for non-planar orbits in synchrotrons

Description: A framework has been developed for a beam model in the case of synchrotron orbits not confined to a plane. An appropriate moving reference system for the analysis of beam stability has been introduced. As examples of strong perturbations to median plane symmetry, two geometries for the overpass for the Tevatron collider are considered.
Date: March 26, 1984
Creator: Month, M.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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Conspray dynamic sleeve piston coal feeder. Phase II. Verification tests. Final technical report

Description: This report details the performance of Phase II: Verification Tests of the Conspray dynamic sleeve piston coal feeder. The machine performed for 200 hours at 700 psi backpressure, utilizing a 70% to 200 mesh Utah bituminous coal as feedstock. All test work was satisfactorily completed. A post-test inspection was performed. A report of component wear and failures incurred in testing is included as well as suggestions for machine upgrades. The overall conclusion is that the dynamic sleeve piston … more
Date: January 26, 1984
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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Granular flow along the interior surface of rotating cones

Description: Relationships are developed between the effective cone half-angle, ..cap alpha../sub eff/, and the actual cone half-angle, ..cap alpha.., for subcritical flow of granular material along the inside surface of a rotating cone. Rotational speed must be high enough to keep the granular material against the wall. If ..cap alpha../sub eff/ is between the wall friction angle, phi/sub w/ and the angle of repose, phi/sub r/, the flowrate may be controlled at the exit and depends on the exit aperture are… more
Date: April 26, 1984
Creator: Pitts, J.H. & Walton, O.R.
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Partner: UNT Libraries Government Documents Department
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High energy facilities advanced projects: intrabeam scattering for a beam of gold ions

Description: This note presents the results for the effects of intrabeam scattering on the longitudinal and transverse beam dimensions for a beam of Au nuclei at various energies corresponding to ..gamma.. = 5 to ..gamma.. = 100, and for time periods of up to 10 hours. Intrabeam scattering is the scattering of the particles in the beam from each other through the Coulomb forces that act between each pair of particles. This causes the beam dimensions to grow both longitudinally and transversely, and results … more
Date: June 26, 1984
Creator: Parzen, G.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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High-Level Radioactive Insoluble Waste Preparation for Vitrification

Description: Abstract: At the Savannah River Plant (SRP), a process has been developed for immobilizing high-level radioactive waste in a borosilicate glass. The waste is currently stored as soluble salts and insoluble solids. Insoluble waste as stored requires further processing before vitrification is possible. The processed required have been developed and demonstrated with actual waste. They include removal of aluminum in some waste, washing soluble salts out of the insoluble waste, and mercury strippin… more
Date: October 26, 1984
Creator: Hamm, B. A.; Eibling, R. E.; Ebra, M. A.; Motyka, T. & Martin, H. D.
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Partner: UNT Libraries Government Documents Department
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Insulating Geothermal Well Casings From Thermal Stress With Nitrogen Gas or Nitrogen Foam

Description: Fenton Hill Hot Dry Rock Geothermal Site Well EE-3 was designed and completed to function as a completion of the reservoirs with the injection well, EE-2, progressed it become evident that it would be desirable to fracture in EE-3 as well to obtain a flow connection between the wells. Unfortunately, the 9-5/8'' od production casing in EE-3 had been pretensioned to 885,000 lbs to accommodate its intended service as a hot water production well. Cool-down of the casing was thus limited to only 11/… more
Date: August 26, 1984
Creator: Dreesen, D. S.; Murphy, H. D.; Zyvoloski, G.; McEligot, D. M.; Dash, Z. & Nicholson, R. N.
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
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Ion source development at RTNS-II

Description: Results are reported for an ongoing effort to optimize D/sup +/ beam production by the MATS-III ion source used at RTNS-II. The characteristics of the source have been determined. Particular attention was paid to the extraction geometry and plasma production. The plasma spatial and temporal uniformity has been examined. The seven aperture triode geometry has been varied to optimize neutron production. This includes beamlet steering and electrode gapping as well as aperture shaping. 4 references… more
Date: September 26, 1984
Creator: Massoletti, D. & Heikkinen, D.W.
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
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Kinetics and mechanism of catalytic hydroprocessing of components of coal-derived liquids. Twentieth quarterly report, February 16, 1984-May 15, 1984

Description: Kinetics data have been determined for the catalytic hydroprocessing of the acidic fractions of a heavy distillate of a liquid derived from Powhatan No. 5 coal. A commercial, sulfided Ni-Mo/..gamma..-Al/sub 2/O/sub 3/ catalyst was used in the experiments, carried out at 350/sup 0/C and 120 atm with the coal liquid fractions dissolved in cyclohexane. The feed and hydrotreated products were analyzed by gas chromatography/mass spectrometry. The data were analyzed with group-type methods for compou… more
Date: June 26, 1984
Creator: Gates, Bruce C.; Olson, Jon H.; Schuit, G. C. A.; Stiles, Alvin B. & Petrakis, Leon
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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KOVEC studies of radioisotope thermoelectric generator response (In connection with possible NASA space shuttle accident explosion scenarios)

Description: The Department of Energy (DOE) commissioned a study leading to a final report (NUS-4543, Report of the Shuttle Transportation System (STS) Explosion Working Group (EWG), June 8, 1984), concerned with PuO/sub 2/ dispersal should the NASA space shuttle explode during the proposed Galileo and ISPN launches planned for 1986. At DOE's request, LLNL furnished appendices that describe hydrocode KOVEC calculations of potential damage to the Radioisotope Thermoelectric Generators, fueled by PuO/sub 2/, … more
Date: June 26, 1984
Creator: Walton, J.; Weston, A. & Lee, E.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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Leachability of decontamination reagents from cement waste forms

Description: Brookhaven National Laboratory, in order to provide technical information needed by the US Nuclear Regulatory Commission to evaluate the adequacy of near-surface disposal of decontamination wstes, has begun to study the leachability of organic reagents from solidified simulated decontamination wastes. Laboratory-scale cement waste forms containing EDTA, picolinic acid or simulated LOMI decontamination reagent were leach tested. Samples containing an organic reagent on either mixed bed ion-excha… more
Date: November 26, 1984
Creator: Piciulo, P. L.; Davis, M. S. & Adams, J. W.
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
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Physical Properties of Saltstone: A Savannah River Plant Waste Form

Description: A cement-based waste form, ''saltstone'', has been designed for disposal of Savannah River Plant low-level radioactive salt waste. Laboratory and field tests indicate that this stabilization process greatly reduces the mobility of all of the waste constituents in the surface and near-surface environment. Bulk properties of this material have been tailored with respect to salt leach rate, permeability, and compressive strength. Microstructure and mineralogy were characterized by SEM and X-ray di… more
Date: November 26, 1984
Creator: Langston, C.A.
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
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Radiation doses in granite around emplacement holes in the Spent Fuel Test - Climax. Final report

Description: Final comparisons are made between measured and calculated radiation doses around the holes in which the spent fuel was emplaced in the Spent Fuel Test - Climax. Neutron doses were found to be negligible compared with gamma doses. Good agreement was found between the doses predicted by Monte Carlo calculations and those measured by short-exposure thermoluminescence dosimetry. Poor agreement was found between the calculational results and doses measured by exposure of LiF optical-absorption-type… more
Date: July 26, 1984
Creator: Van Konynenburg, R.A.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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Recent progress at RTNS-II

Description: The Rotating Target Neutron Source (RTNS-II) facility produces 14-MeV neutrons for materials damage studies. Initial operation for irradiations, which occurred in 1979, began with a neutron source strength of 10/sup 13/ n/s utilizing one of the accelerator-based neutron sources. Details are given on improvements which have resulted in both increased neutron production and neutron source strength and improved control and monitoring. 8 references.
Date: September 26, 1984
Creator: Heikkinen, D.W. & Logan, C.M.
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
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Report on Furukawa Coax #1

Description: This report contains the results of measurements performed on sample coax No.1 from the Furukawa Cable Co. of Japan. Time domain reflectometer (TOR) and RLC measurements were made at room temperature and superconducting. Network analyzer measurements of S11 and S21 were made for the superconducting coax.
Date: November 26, 1984
Creator: Peterson, D.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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Results on neutrino-electron elastic scattering at AGS energies

Description: In an experiment designed to study elastic scattering of nu/sub ..mu../ (and anti nu/sub ..mu../) from electrons and protons via the weak neutral current, we have recently completed several extensive data taking runs. Results for the cross section of nu/sub ..mu../ + e/sup -/ ..-->.. nu/sub ..mu../ + e/sup -/ are presented based upon the first third of the available sample. Preliminary analysis of anti nu/sub ..mu../ + e/sup -/ ..-->.. anti nu/sub ..mu../ + e/sup -/ is in progress and evidence … more
Date: February 26, 1984
Creator: Lanou, R. E.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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Search for proton decay: introduction

Description: In interpreting contained events observed in various proton decay detectors one can sometimes postulate, though usually not unambiguously, a potential decay mode of the proton, called a candidate. It is called a candidate, because for any individual event it is not possible to exclude the possibility that it is instead due to cosmic ray background, chiefly atmospheric neutrinos. Some consistency checks are proposed which could help establish proton decay, if it does occur in the presently acces… more
Date: February 26, 1984
Creator: Goldhaber, M.
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
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Study of the reaction. gamma. p. -->. rho/sup -/. delta. /sup + +/ at 20 GeV

Description: A clean sample of ..gamma..p ..-->.. rho/sup -/ ..delta../sup + +/ events has been isolated in a hydrogen bubble chamber experiment having a sensitivity of 2.4 events/nb. The experiment uses a narrow band, 20 GeV photon beam produced by backscattering laser light from the Stanford Linear Accelerator's electron beam. A large lead-glass photon detector was used to measure ..pi../sup 0/'s from the rho/sup -/ ..-->.. ..pi../sup -/..pi../sup 0/ decays. We study the s and t dependence of the ..gamma.… more
Date: June 26, 1984
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
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Summary of the mirror advanced reactor study

Description: The Mirror Advanced Reactor Study (MARS) is a conceptual design of a 1200-MWe commercial tandem mirror reactor for electricity and synfuels (methanol) production. Thermal barrier end plugs of the TMX-U/MFTF-B type allow steady-state ignition of a 130-m-long central-cell DT plasma. Compact, gridless direct converters supply all the plant auxiliary power. The simple lead-lithium eutectic-cooled blanket has high neutron energy multiplication (1.36) as well as a low tritium inventory (< 8 g), and i… more
Date: July 26, 1984
Creator: Logan, B. G.; Henning, C. D.; Carlson, G. A.; Gordon, J. D.; Maniscalco, J. A.; Kulcinski, G. L. et al.
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Partner: UNT Libraries Government Documents Department
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Thermal barrier confinement experiments in the TMX-U tandem mirror

Description: In our recent experiments on the TMX-U thermal-barrier device, we achieved the end plugging of axial ion losses up to a central cell density of n/sub c/ = 6 x 10/sup 12/ cm/sup -3/. During lower density experiments, we measured the axial potential profile characteristic of a thermal barrier and found an ion-confining potential greater than 1.5 kV and a potential depression of 0.45 kV in the barrier region. The average beta of hot end plug electrons has reached 15% and of hot central cell ions h… more
Date: July 26, 1984
Creator: Simonen, T. C.; Allen, S. L.; Baldwin, D. E.; Casper, T. A.; Clauser, J. F.; Coensgen, F. H. et al.
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Partner: UNT Libraries Government Documents Department
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Thermal barrier confinement experiments in TMX-U tandem mirror. Revision 1

Description: In our recent experiments on the TMX-U thermal-barrier device, we achieved the end plugging of axial ion losses up to a central cell density of n/sub c/ = 6 x 10/sup 12/ cm/sup -3/. During lower density experiments, we measured the axial potential profile characteristic of a thermal barrier and found an ion-confining potential greater than 1.5 kV and a potential depression of 0.45 kV in the barrier region. The average beta of hot end plug electrons has reached 15% and of hot central cell ions h… more
Date: July 26, 1984
Creator: Simonen, T. C.; Allen, S. L.; Baldwin, D. E.; Casper, T. A.; Clauser, J. F.; Coensgen, F. H. et al.
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
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