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Title: Angle resolved photoelectron spectroscopy study of small molecules
Author: Hu, Xiao-ming
ISNI:       0000 0001 3583 1136
Awarding Body: University of Aberdeen
Current Institution: University of Aberdeen
Date of Award: 1990
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Under the title 'Angle Resolved Photoelectron Spectroscopy Study of Small Molecules', the thesis discussed the following aspects: Processes after the interaction of photons with atoms or molecules, including photoscattering, photoexcitation and fluorescence, photoabsorption, photodissociation and photoionization; Concepts of photoionization and photoelectron spectroscopy, including ionization potentials, photoionization cross sections, photoelectron angular distributions, shape resonances and autoionization; Theory of photoionization and photoelectron angular distributions, including central field approximation, Hartree-Fock calculations and multichannnel quantum defect theory; Apparatus for an angle resolved high resolution photoelectron experiment, including the synchrotron radiation source at Daresbury Laboratory, UK and an angle resolved electron spectrometer system from NIST/ANL, USA; The experiment on CO2 at Daresbury Laboratory, including electron spectrometer calibrations, experimental procedures and data processing; Results and discussion, including results for the photoionization cross sections of the CO+2X2 Πh state, vibrational branching ratios and asymmetry parameters for the synmmetric stretch vibrations (000) to (500) in the CO+2X2 Πh state in the photon wavelength region of 687 - 790AA with a resolution of about 0.1AA, analysis of photoelectron spectra taken at the Tanaka-Ogawa resonances and result for the Franck-Condon factors for transitions from the autoionizing states to different vibrational levels of the molecule.
Supervisor: Not available Sponsor: Not available
Qualification Name: Thesis (Ph.D.) Qualification Level: Doctoral
EThOS ID:  DOI: Not available
Keywords: Molecular collision theory