Physics & Astronomy ETDs

Publication Date

Spring 5-17-1949

Abstract

A "camera" containing thirty-six nuclear plates was carried into the upper atmosphere to an altitude of twelve miles by a free balloon flight. These plates were arranged in four groups separated by successively thicker layers of steel so that nuclear events under different amounts of matter could be observed.

After recovery of the equipment these plates were developed and examined under the microscope. Four plates were selected for intensive investigation, and data was collected on the tracks found in the areas examined.

In the first part of this report nuclear plate technique will be discussed in general together with the properties of the particular Ilford C-2 emulsions used in this experiment. In the second part detailed information will be given on the arrangement of the plates in the "camera," the time exposed, and the searching procedure used. In the third part the data collected in the examination of a total area of 4.8 squared centimeters will be tabulated and analyzed.

Degree Name

Physics

Level of Degree

Masters

Department Name

Physics & Astronomy

First Committee Member (Chair)

Victor H. Regener

Second Committee Member

Stephen Sholom Friedland

Third Committee Member

Roy Thomas

Language

English

Document Type

Thesis

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