61 Matching Results

Search Results

Results: 1 - 24 next
open access

Resonance Absorption of Neutrons in Thick Sheets of Molybdenum

Description: Several experiments have been performed to determine the effective resonance absorption integral for molybdenum as a function of the thickness of molybdenum sheets. The results have been compared to theoretical predictions to appraise the contribution from unresolved resonances. The latter is significant when one is involved with structural components in a reactor that are quite thick such that lower energy resonances are strongly self-shielded whereas the resonances in the kev range and beyond… more
Date: 1959
Creator: Goldbert, E. & Kloverstrom, F. A.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Comparative Costs Of Sea Disposal And Land Burial For The Radioactive Wastes Of The Lawrence Radiation Laboratory

Description: This report is a comparative cost study of radioactive waste disposal for the Lawrence Radiation Laboratory (UCRL). In particular, it compares the costs of sea disposal in depths of 1000 fathoms and of 2000 fathoms off the California coast with land burial of the wastes at the Hanford Atomic Products Operation (HAPO), Richland, Washington, at the National Reactor Testing Station (NRTS), Idaho Falls, Idaho, or at the Nevada Test Site (NTS), Nevada. In the comparison, the cost of utilizing a comm… more
Date: January 21, 1959
Creator: Nielsen, Elmer
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

High Current Electron Accelerator

Description: The following report describes the investigations of the microwave solution and the Astron solution, to produce high current electron beams.
Date: January 22, 1959
Creator: Christofilos, Nicholas C.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Nuclear Explosives as Applied to Mining and Mineral Industries

Description: Presentation at the National Western Mining Conference of the Colorado Mining Association, Denver, Colorado, February 7, 1959. Thank you for your invitation to discuss here today some of the aspects of nuclear explosions in mining and mineral industries. I should like this afternoon to dwell briefly upon: (1) The phenology of a nuclear explosion underground. What happens; with what energies are we concerned, and what may be the scientific and industrial results of such an explosion? (2) The … more
Date: February 7, 1959
Creator: Rabb, David D.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Electrical System Of The Bevatron Rapid Beam Ejector (Beam Kicker)

Description: A group at the Berkeley Bevatron constructed a rapid beam ejector to produce the brief pulses of particles required for optimum bubble chamber photographs. Energy stored in a capacitor bank is transferred to an air-core magnet surrounding the proton beam of the Bevatron. The protons are displaced from their normal orbit and strike a suitably located target; particles from this target can then emerge from the Bevatron. A capacitor bank of 120 pf stores 13,500 joules at 15,000 volts. Two ignitron… more
Date: March 1959
Creator: Dols, Charles G.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Recent Research On Transplutonium Elements

Description: It is the purpose of this paper (from a talk given at Mendeleev Chemistry Conference in Moscow) to give a brief progress report on work which is being done on very heavy elements at the Lawrence Radiation Laboratory in Berkeley. The subject matter is divided into three broad classifications. The first classification includes production of the isotopes, the second deals with investigations of their chemical properties and the third includes studies of the nuclear properties.
Date: March 1959
Creator: Thompson, Stanley G.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Techniques Used For The Production And Identification Of The Transplutonium Elements

Description: The last fifteen years have seen the discovery of ten transuranic elements. This paper (presented at the Mendeleev Chemistry Conference in Moscow) deals only with the transplutonium elements, i.e., those elements with atomic number greater than 94. This will be a detailed discussion of the techniques that have been devised for producing and identifying elements 101 and 102 and the possible applications of these methods to elements beyond. There will also be a brief review of the discovery of al… more
Date: March 1959
Creator: Ghiorso, Albert, 1915-2010
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Linear Accelerator for Heavy Ions

Description: The following report discusses the construction of two heavy-ion linear accelerators, one at the the University of California Radiation Laboratory and the other at Yale University. The goal for these accelerators is to produce ions of masses up to that of neon with energies of 10 Mev per nucleon.
Date: March 27, 1959
Creator: Wells, Don
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

The Ratio of Alpha to Beta Activity of Natural Atmospheric Radioactivity

Description: Abstract: The alpha to beta ratio of naturally occurring radioactivity in the air has been investigated. The study has concerned itself primarily with radon daughter products collected on filter-paper samples from the time equilibrium has been established on the paper through elapsed times during which radioactive counting is normally accomplished. Calculations showing the change in this ratio of activities during the above period are presented. From this work it appears that the observed const… more
Date: March 27, 1959
Creator: Lindeken, C. L.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

The Cross Section For Compound-Nucleus Formation In Heavy-Ion-Induced Reactions

Description: With the increasing availability of accelerators capable of producing beams of heavy ions it has become useful to know the cross section for a heavy ion to form a compound nucleus by interaction with a target nucleus. The results of calculations based on two simple models are presented here in order to give some idea of the magnitude of this cross section as a function of the energy of the bombarding particle.
Date: April 1959
Creator: Thomas, T. Darrah
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Measurement Of Average Neutron Energies For (o, n) Neutron Sources

Description: A method is presented for measuring the average energy of the neutrons from a source. The attenuation of the neutrons by polyethylene is measured by the use of a long counter in good geometry. The attenuation length is a sensitive function of the neutron energy. The average neutron energies from several (o, n) sources have been measured and agree well with values obtained by other techniques.
Date: April 1, 1959
Creator: Hess, Wilmot N. & Smith, Alan R.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

The Radiochemistry Of Thorium

Description: This report was prepared at the request of the Subcommittee on Radiochemistry of the Committee on Nuclear Science of the National Research Council as a contribution to a proposed master file on the radiochemistry of all the elements. All known material on the radiochemistry of thorium is included in this report.
Date: April 1959
Creator: Hyde, Earl K.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Creep and Relaxation in Metals and Ceramics : A Bibliography, 1950-March 1959

Description: "This is a selected bibliography of books, journal articles and reports published on creep and relaxation in metals and ceramics from 1950 to March 1959. Particular attention has been paid to studies on or applicable to the consideration of creep and relaxation in beryllium oxide. Emphasis has alro been placed on studies of phenomenological materials behavior and high temperature studies."
Date: April 15, 1959
Creator: Maynard, Glenn R. & Lane, Zanier D.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Investigation Of Windows And Shields For Neutron Point Sources

Description: An empirical approach for the evaluation of shielding materials for macrochemical manipulations of spontaneously fissioning heavy elements (curium and californium) has revealed interesting comparisons. High-density metal halide solutions were compared with lead glass and with rare earth glass for use as shielding windows. Laminated shields of lead-paraffin and uranium-paraffin were compared with water and with paraffin for shielding walls.
Date: May 20, 1959
Creator: Browne, Howard J.; Kaufmann, John A. & Garden, Nelson B.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Toy Top Plasma Injector

Description: Introduction: "It is the purpose of this note to describe the construction and operation of the plasma injectors used in the magnetic high compression experiments in progress at the Lawrence Radiation Laboratory at Livermore. As the investigations of these injections is still in progress, remarks concerning their operation or the characteristics of the injected plasma are of a tentative nature."
Date: May 28, 1959
Creator: Coensgen, F. H.; Cummins, W. & Sherman, A.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

The Satellite Code: A Numerical Satellite Integration Program for the IBM 704

Description: From Introduction: "This report is intended as a handbook for the users of the Satellite code which was developed as a general purpose satellite and space probe program. The components of acceleration, in a three-dimensional rectangular coordinate system, are integrated to produce the velocities and coordinates. These may be transformed into elliptical elements at each time step. The output, therefore, may resemble an integration in the coordinates as well as in the parameters."
Date: June 1959
Creator: Smith, Virginia S.; Bruijnes, Hans R. & Sherman, Nevin W.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Gamma Rays from the Interaction of 14-Mev Neutrons with Beryllium

Description: Abstract: "The cross section for the Be-9(n, t')Li-7*-->Li-7 + Y(0.477 Mev) reaction has been measured in the vicinity of 14 Mev by detecting the gamma-rays at scattering angles from 30 to 150 degrees. A time-of-flight technique was used to distinguish the gamma-rays from the high neutron background. The cross section drops from 20 mb at 13.6 Mev to 10 mb at 14.1 Mev and then rises to 30 mb at 14.7 Mev."
Date: June 9, 1959
Creator: Benveniste, J.; Mitchell, A. C.; Schrader, C. D. & Zenger, J. H.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
Back to Top of Screen