Angular distribution of photoelectrons emitted from solids |
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| Affiliation: | 1. Institute of Physics, Academy of Sciences, Cukrovarnická 10, 162 00 Prague 6, Czech Republic;2. Institute of Physical Chemistry, Polish Academy of Sciences, ul. Kasprzaka 44/52, 01-224 Warsaw, Poland;1. CEMES-CNRS, 29 Rue Jeanne Marvig, 31055 Toulouse France;2. Hitachi High-Technologies Corporation, 882, Ichige, Hitachinaka, Ibaraki 312-8504, Japan;1. Research Center for Nuclear Physics (RCNP), Osaka University, Ibaraki, Osaka, 567-0047, Japan;2. Advanced Science Research Center, Japan Atomic Energy Agency, Tokai, Ibaraki, 319-1195, Japan;3. Yukawa Institute for Theoretical Physics, Kyoto University, Kyoto, 606-8502, Japan;4. Nishogakusha University, 6-16, Sanbancho, Chiyoda, Tokyo, 102-8336, Japan;5. Istituto Nazionale di Fisica Nucleare (INFN), Sezione di Genova, via Dodecaneso 33, 16146 Genova, Italy;6. Department of Physics, Tokyo Institute of Technology, Tokyo 152-8551, Japan;1. School of Physical Electronics, University of Electronic Science and Technology of China, Chengdu, 610054, China;2. State Key Laboratory Optoelectronic Materials and Technologies, Guangdong Province Key Laboratory of Display Material and Technology, School of Electronics and Information Technology, Sun Yat-sen University, Guangzhou, 510275, China;3. Department of Engineering, Electrical Engineering Division, University of Cambridge, Cambridge, CB3 0FA, United Kingdom;1. Escuela de Física, Universidad Industrial de Santander, Carrera 27 and Calle 9, (680002) Bucaramanga, Colombia;2. Laboratorio Detección de Partículas y Radiación, Centro Atómico Bariloche & Instituto Balseiro, Av. Bustillo 9500, (8400) Bariloche, Argentina |
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| Abstract: | The angular distributions of photoelectrons emitted from Cu, Ag and Au foils irradiated by Al Kα X-rays along the surface normal have been measured over a wide range of polar emission angles for different photoelectron lines. The experimental results are compared with analytical predictions based on a solution of the kinetic equation in the transport approximation, and satisfactory agreement is observed. The angular dependence of the photoelectron line intensity has been found to be less anisotropic than that of the differential photoelectric cross section. This effect is due to the elastic collisions that photoelectrons suffer on their way out of the target, and is more pronounced for samples with a high atomic number. |
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