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Title Measurement of Polarization Observables in the Electro-Excitation of the Proton to its First Excited State
Abstract This thesis reports results from the Thomas Jefferson National Accelerator Facility (Jefferson Lab) Hall A experiment E91-011, which measured double-polarization observables in the pion electroproduction reaction from the proton. Specifically, the experiment measured the recoil proton polarization, polarized response functions, and cross section for the \( p\left( \overrightarrow{e},e^{\prime }\overrightarrow{p}\right) \pi ^{\circ } \) reaction at a center-of-mass energy centered at \( W \) = 1232 MeV - the peak of the \( \Delta \)(1232) resonance - and at a four-momentum transfer squared of \( Q^{2} \) = 1.0 GeV\( ^{2} \)/\( c^{2} \). Both the recoil proton polarization and polarized response function results will be presented in this thesis. Data were collected at Jefferson Lab, located in Newport News, Virginia during the summer of 2000. A 4.53 GeV polarized electron beam was scattered off of a cryogenic hydrogen target. The recoil proton polarization was measured in the Focal
Author(s) Rikki Roche
Publication Date August 2003
Document Type Thesis
Primary Institution Thomas Jefferson National Accelerator Facility, Newport News
Affiliation Exp Nuclear Physics / Experimental Halls / Hall A
Funding Source
Proprietary? No
This publication conveys Technical Science Results
Document Numbers
JLAB Number: JLAB-PHY-03-157 OSTI Number: 824893
LANL Number: Other Number: DOE/ER/40150-2744
Associated with an experiment Yes
Experiment Number(s)
E91-011
Associated with EIC No
Supported by Jefferson Lab LDRD Funding No
Thesis
Thesis Type PhD
Advisor Institution
1. Adam J. Sarty Florida State University
Attachments/Datasets/DOI Link
Document(s)
thesis_2side.pdf (STI Document)
Dataset(s)
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