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An analysis of pion photoproduction

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dc.contributor.authorLi, Zhujun L.en
dc.contributor.committeechairArndt, Richard A.en
dc.contributor.committeememberRoper, L. Daviden
dc.contributor.committeememberWorkman, Ron L.en
dc.contributor.committeememberJenkins, David A.en
dc.contributor.committeememberBlecher, Marvinen
dc.contributor.departmentPhysicsen
dc.date.accessioned2014-03-14T21:22:16Zen
dc.date.adate2005-10-26en
dc.date.available2014-03-14T21:22:16Zen
dc.date.issued1992-04-05en
dc.date.rdate2005-10-26en
dc.date.sdate2005-10-26en
dc.description.abstractA partial-wave analysis of pion photoproduction data up to a photon lab energy of 1.8 GeV has been performed. Both energy-dependent and energy-independent solutions have been obtained. The energy-dependent parametrization incorporates the recently determined elastic pion nucleon scattering amplitudes in such a way as to satisfy unitarity and utilize the resonance structure contained in the pion nucleon elastic amplitudes. Starting from the energy-dependent solution, energy-independent partial-wave solutions are obtained at a set of energies from threshold to 1.8 GeV. The data base used in the analysis contains 11,911 data from the reactions. The predictions of our solution are compared with the experimental data and previous analyses. Suggestions are made for future experiments. A total of sixteen resonances exist in the energy range from threshold to 1.8 GeV. These resonance states are studied using our energy-independent solutions. Photon decay couplings to the sixteen resonances are extracted. These couplings are also compared with previous solutions and quark model predictions.en
dc.description.degreePh. D.en
dc.format.extentxi, 98 leavesen
dc.format.mediumBTDen
dc.format.mimetypeapplication/pdfen
dc.identifier.otheretd-10262005-100955en
dc.identifier.sourceurlhttp://scholar.lib.vt.edu/theses/available/etd-10262005-100955/en
dc.identifier.urihttp://hdl.handle.net/10919/40180en
dc.language.isoenen
dc.publisherVirginia Techen
dc.relation.haspartLD5655.V856_1992.L5.pdfen
dc.relation.isformatofOCLC# 26248024en
dc.rightsIn Copyrighten
dc.rights.urihttp://rightsstatements.org/vocab/InC/1.0/en
dc.subject.lccLD5655.V856 1992.L5en
dc.subject.lcshPion productionen
dc.subject.lcshPions -- Scatteringen
dc.titleAn analysis of pion photoproductionen
dc.typeDissertationen
dc.type.dcmitypeTexten
thesis.degree.disciplinePhysicsen
thesis.degree.grantorVirginia Polytechnic Institute and State Universityen
thesis.degree.leveldoctoralen
thesis.degree.namePh. D.en

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