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Document Type
Dissertation
Major/Program
Physics
First Advisor's Name
Brian A. Raue
First Advisor's Committee Title
Committee Chair
Second Advisor's Name
Misak Sargsian
Third Advisor's Name
Laird Kramer
Fourth Advisor's Name
Cem Karayalcin
Fifth Advisor's Name
Werner U. Boeglin
Date of Defense
6-24-2008
Abstract
QCD predicts Color Transparency (CT), which refers to nuclear medium becoming transparent to a small color neutral object produced in high momentum transfer reactions, due to reduced strong interaction. Despite several studies at BNL, SLAC, FNAL, DESY and Jefferson Lab, a definitive signal for CT still remains elusive. In this dissertation, we present the results of a new study at Jefferson Lab motivated by theoretical calculations that suggest fully exclusive measurement of coherent rho meson electroproduction off the deuteron is a favorable channel for studying CT. Vector meson production has a large cross section at high energies, and the deuteron is the best understood and simplest nuclear system. Exclusivity allows the production and propagation to be controlled separately by controlling Q 2 , lf (formation length), lc (coherence length) and t. This control is important as the rapid expansion of small objects increases their interaction probability and masks CT. The CT signal is investigated in a ratio of cross sections at high t (where re-scattering is significant) to low t (where single nucleon reactions dominate). The results are presented over a Q2 range of 1 to 3 GeV2 based on the data taken with beam energy of 6 GeV.
Identifier
FI10022515
Recommended Citation
Gönenç, Atilla, "Coherent Rho Meson Electroproduction off Deuteron" (2008). FIU Electronic Theses and Dissertations. 283.
https://digitalcommons.fiu.edu/etd/283
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