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dc.contributor.supervisor Zetner, Peter (Physics and Astronomy) en
dc.contributor.author Hein, Jeffrey Davis
dc.date.accessioned 2010-04-09T19:38:00Z
dc.date.available 2010-04-09T19:38:00Z
dc.date.issued 2010-04-09T19:38:00Z
dc.identifier.uri http://hdl.handle.net/1993/3965
dc.description.abstract This thesis describes the experimental study of electron scattering processes from laser-excited barium and ytterbium atoms. These include the electron-impact ionization-excitation from Ba (...6s6p) 1P1 and Ba (...6s5d) 1,3D1,2 to Ba+ (...6p) 2P3/2, the elastic electron scattering from Ba (...6s6p) 1P1 and Ba (...6s5d) 1,3D1,2, and the electron-impact excitation from Yb (...6s6p) 3P1 to Yb (...6s7s) 3S1, Yb (...6s6p) 1P1, and Yb (...6s5d) 3D1,2,3. The experiments utilized electron impact energies in the range of 5 eV to 50 eV. Differential and integral scattering cross sections were determined, and are presented both on absolute and relative scales. By controlling the laser polarization, alignment and orientation parameters characterizing the scattering processes were determined. Additionally, the barium ionization-excitation study observed polarization dependencies of ion line emission fluorescence for radiative decay from Ba+ (...6p) 2P3/2 to Ba+ (...6s) 2S1/2, providing information about the final ionic state composition. Along with experimental measurements of electron-atom collisions, this thesis describes the design and development of a computer-controlled data acquisition system and a laser frequency stabilization system. en
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dc.language.iso en_US
dc.subject electron en
dc.subject scattering en
dc.subject laser en
dc.subject atomic en
dc.subject collisions en
dc.subject experimental en
dc.title Electron scattering from laser-excited Ba-138 and Yb-174 en
dc.degree.discipline Physics and Astronomy en
dc.contributor.examiningcommittee Sharma, Kumar (Physics and Astronomy) Gwinner, Gerald (Physics and Astronomy) Gumel, Abba (Mathematics) McConkey, John (University of Windsor) en
dc.degree.level Doctor of Philosophy (Ph.D.) en
dc.description.note May 2010 en


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