Production of Neutral Photopions as a Function of Atomic Weight (open access)

Production of Neutral Photopions as a Function of Atomic Weight

Thesis discussing the relative yield of neutral pions from elements in a reaction "as a function of the quantum-limit energy (the maximum energy of the quanta in the bremsstrahlung beam) of the Berkeley synchrotron." Interpretation of the results leads to values for the mean free path for absorption of the neutral pions in nuclear matter.
Date: May 28, 1956
Creator: Anderson, John David
Object Type: Thesis or Dissertation
System: The UNT Digital Library
Experiments on Polarization in Scatterig Deuterons from Complex Nuclei and in Proton-Proton Scattering (Thesis) (open access)

Experiments on Polarization in Scatterig Deuterons from Complex Nuclei and in Proton-Proton Scattering (Thesis)

Abstract: "The elastic double scattering of deuterons by complex nuclei has been investigated experimentally. Measurements were made on carbon, aluminum, and copper at around 157 Mev; on lithium, beryllium, and carbon at around 125 Mev; and on carbon and aluminum at 94 Mev. The expected tensor components of the deuteron polarization have not been observed. Measurements have been made of the differential cross section and vector-type polarization as a function of angle for the scattering of deuterons from the above elements, at the above energies. The observed polarizations were larger than would be expected on the basis of the individual nucleon-nucleus interactions. In a second experiment we measured the 169-Mev proton-proton polarization at 10, 15, 22.5, 30, and 35 in the laboratory system. The results indicate that partial waves up to and including L = 3 are important at this energy."
Date: May 11, 1956
Creator: Baldwin, John A., Jr.
Object Type: Report
System: The UNT Digital Library
Neutral H Atom and Molecular Ion (H₂⁺) Injection into the Mirror Machine at Energies About One Mev (open access)

Neutral H Atom and Molecular Ion (H₂⁺) Injection into the Mirror Machine at Energies About One Mev

This report presents the best estimate possible on the basis of the available information as to how high an energy would be necessary in order that the gas pressure which could be tolerated would be attainable with present techniques (say 10-(-7) mm Hg.)
Date: May 11, 1956
Creator: Lauer, Eugene J. & Gibson, Gordon
Object Type: Report
System: The UNT Digital Library
Measurement of Large, High-Frequency, Short-Pulse Currents Using a Radial Shunt (open access)

Measurement of Large, High-Frequency, Short-Pulse Currents Using a Radial Shunt

Abstract: "The measurement of large, high-frequency, short-pulse currents--ordinarily complicated by inductance, stray magnetic fields, and magnetic forces that tend to disassemble the measuring device--is simplified and made with an average error of 2-1/2% by the use of a specially developed noninductive radial shunt in conjuntion with an oscilloscope. The skin-effect correction is derived theoretically and the accuracy of the method is demonstrated."
Date: May 22, 1956
Creator: McFarlane, H. Bruce
Object Type: Report
System: The UNT Digital Library
Neutron Production in the Pinch Due to Instability Breakup (open access)

Neutron Production in the Pinch Due to Instability Breakup

Abstract: "The neutrons from the linear pinch in Berkeley have been shown to originate from deuteron collisions with a large net center-of-mass velocity in one direction along the axis of the pinch tube. The interpretation of this result is that the neutron production associated with the pinch is non-thermonuclear in origin. The object of this paper is to review the experimental evidence and discuss a possible source of the neutron production."
Date: May 12, 1956
Creator: Colgate, Stirling A.
Object Type: Report
System: The UNT Digital Library
Weighted Least-Square Polynomial Approximation to a Continuous Function of a Single Variable (open access)

Weighted Least-Square Polynomial Approximation to a Continuous Function of a Single Variable

Report describing a method of fitting "a weighted least square polynomial of order n to a set of m observation points" in order "to satisfy the need for a general curve fitting scheme" (p. 1).
Date: May 22, 1956
Creator: Von Holdt, Richard E. & Brousseau, Robert J.
Object Type: Report
System: The UNT Digital Library