Neutron emission following radiative pion capture in complex nuclei

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dc.contributor.authorLam, Wing-Cheeen
dc.contributor.departmentPhysicsen
dc.date.accessioned2020-12-15T19:43:04Zen
dc.date.available2020-12-15T19:43:04Zen
dc.date.issued1970en
dc.description.abstractThis thesis contains an account of a measurement of the neutron energy spectrum from radiative pion capture in carbon, oxygen and calcium. The measurement was performed at six n-γ correlation angles for the case of carbon and oxygen, and seven n-γ correlation angles for the case of calcium. The observed energy spectra fall off approximately exponentially between 2 and 30 MeV. Evidence of resonance structure was observed at about 4 MeV in the energy spectra of carbon and oxygen. This is in agreement with a theoretical prediction of the giant multipole excitation model. The neutron yield versus n-γ correlation angles peaks at 180° for all three nuclei studied. This indicates the quasi-free mechanism also plays an important role in the radiative pion capture process.en
dc.description.degreePh. D.en
dc.format.extentviii, 109 leavesen
dc.format.mimetypeapplication/pdfen
dc.identifier.urihttp://hdl.handle.net/10919/101488en
dc.language.isoenen
dc.publisherVirginia Polytechnic Institute and State Universityen
dc.relation.isformatofOCLC# 21060549en
dc.rightsIn Copyrighten
dc.rights.urihttp://rightsstatements.org/vocab/InC/1.0/en
dc.subject.lccLD5655.V856 1970.L34en
dc.subject.lcshNeutrons -- Spectraen
dc.subject.lcshRadiative captureen
dc.titleNeutron emission following radiative pion capture in complex nucleien
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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