Degree Type

Dissertation

Date of Award

1988

Degree Name

Doctor of Philosophy

Department

Physics and Astronomy

First Advisor

John M. Hauptman

Abstract

Charm quark fragmentation is studied in e[superscript]+ e[superscript]- annihilation at a center of mass energy of 29 GeV using the time-projection-chamber (TPC) detector at the SLAC storage ring PEP. The polarization of the D[superscript]* +, the energy dependency of the polarization, and the spin density matrix of D[superscript]* + are measured. In 147pb[superscript]-1 of data we see no evidence for polarization, alignment, or final state interaction in this fragmentation process;As a part of elementary particle detector improvement efforts a Radial Drift Chamber (RDC) has been built and studied. The RDC features the use of induced signals on the pickup wires, and wave form sampling to reconstruct tracks through avalanche localization of the radically drifted electrons in dimethyl ether. ftn*This work was performed at Ames Laboratory under contract No. W-7405-Eng-82 with the U.S. Department of Energy. The United States government has assigned the DOE Report number IS-T-1396 to this thesis.

DOI

https://doi.org/10.31274/rtd-180813-12487

Publisher

Digital Repository @ Iowa State University, http://lib.dr.iastate.edu/

Copyright Owner

Sung Keun Park

Language

en

Proquest ID

AAI8825948

File Format

application/pdf

File Size

121 pages

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