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Physics Division Quarterly Report: November and December, 1949 and January, 1950
Quarterly summary report of studies conducted through the Radiation Laboratory, University of California. Some results reported in the report may be of a preliminary or incomplete nature.
Date:
February 7, 1950
Creator:
Lawrence Radiation Laboratory
System:
The UNT Digital Library
Calculation of k-o in a Uranium-Graphite Lattice
Since the 25 content of the uranium to be used in a MTA multiplying lattice is quite uncertain at present, it is necessary to assume various degrees of depletion in order to estimate the multiplication constant K-o and the production of 49 in an infinite uranium-graphite lattice
Date:
February 8, 1951
Creator:
Adelman, F.
System:
The UNT Digital Library
III: Two-Group Approximation to Absorbing Lattices
The mathematics of the approximation is developed for the case of a H2O-cooled, graphite-moderated matrix
Date:
February 12, 1951
Creator:
Brown, Harold
System:
The UNT Digital Library
IV. Production and Heating
Calculations are developed which indicate the Pu production is an infinite lattice
Date:
February 13, 1951
Creator:
Brown, Harold
System:
The UNT Digital Library
V. Multiplying Lattices of the Hollow Type
A two-group approximation of the fission ratios and Pu production in an infinite hollow matrix is developed
Date:
February 14, 1951
Creator:
Brown, Harold
System:
The UNT Digital Library
MTA Quarterly Progress Report: September, October and November, 1951
Quarterly report which includes brief summaries of research studies related to technology materials and accelerator testing
Date:
February 16, 1951
Creator:
Lawrence Radiation Laboratory
System:
The UNT Digital Library
The Distribution of Pu(VI) and Pu(III) in Thenoyltrifluoracetone-Benzene-Nitric Acid Mixtures
The distribution coefficients of Pu(VI) and Pu(III) have been measured as a function of the TTA, hydrogen ion, and nitrate ion concentrations in the TTA-benzen-nitric acid system. The extraction constants for Pu(VI) and Pu(III) are 1.4 X 10(-2) and 2 X 10(-5), respectively.
Date:
February 2, 1952
Creator:
Heising, D. L. & Hicks, T. E.
System:
The UNT Digital Library
Flux in a Rectangular Cavity.
A problem proposed by E. Hart to determine whether there are locally high or low neutron densities at the corners of a cubical cavity in a graphite lattice. To simplify the computations consider an infinite two dimensional lattice with a square cavity that has a point source of neutrons at the center (see Figure 1).
Date:
February 4, 1952
Creator:
Rosenblum, M.
System:
The UNT Digital Library
Energy Spectrum of Neutrons from 3-10 MEV
The energy distributions of neutrons in the 3-10 Mev energy range resulting from the bombardment of thin U targets are being investigated by the measurement of proton recoils in photographic plates.
Date:
February 11, 1952
Creator:
Adelman, Frank
System:
The UNT Digital Library
Medical and Health Physics Quarterly Report: October, November, and December 1951
The document provides reports on medical and health physics, particularly on the biological studies of radiation effects, the metabolic properties of various materials, radiation chemistry, health chemistry, and health physics.
Date:
February 28, 1952
Creator:
Lawrence Radiation Laboratory
System:
The UNT Digital Library
Modes of Acceleration of Ions in a 3-DEE Cyclotron.
The analysis shows that a symmetrical three-dee cyclotron accelerating ions below relativistic velocities has the property that ions of different e/m rations can be accelerated without changing the frequency of the electrical power supplied to the dees or the value of the magnetic field. The energy gain per revolution of the ions which can be accelerated in the various modes are found, considering three identical dees of arbitrary angular widths. For these calculations it has been assumed that a step-function voltage change occurs at each edge of the dees.
Date:
February 29, 1952
Creator:
Jakobson, M.; Heusinkveld, M. & Ruby, L.
System:
The UNT Digital Library
MTA Quarterly Progress Report: September, October and November, 1951
Quarterly report which includes brief summaries of research studies related to technology materials and accelerator testing.
Date:
February 29, 1952
Creator:
Lawrence Radiation Laboratory
System:
The UNT Digital Library
The T3 (p, y) He4 Reaction
The excitation function for the reaction T3 (p, y) He4 has been extended to proton energies of 7.3 Mev. No experimental evidence is found for a resonance in the reaction up to this energy of bombarding protons.
Date:
February 11, 1953
Creator:
Birge, Robert W. & Jungerman, John A.
System:
The UNT Digital Library
Medical and Health Physics Quarterly Report: October, November, and December, 1952
Report of progress on the metabolic properties of various materials, biological studies of radiation effects, health chemistry and physics.
Date:
February 18, 1953
Creator:
University of California Radiation Laboratory
System:
The UNT Digital Library
Meson-Mass Measurements II - On the Measurement of the Masses of Charged Pions
This paper describes the method developed and the results obtained in an extensive program of measurement of the masses of charged pions. Measurements were made of the total ranges in nuclear track emulsion and the momenta (obtained from the curving of the particle trajectory in the magnetic field of the 184-inch cyclotron) of pions and protons of nearly the same velocity.
Date:
February 2, 1954
Creator:
Smith, Frances M.
System:
The UNT Digital Library