Acceleration of particles by laser radiation scattered by a system of conductive spheres |
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| Affiliation: | 1. ICA, Slovak Academy of Sciences, Dúbravská Road 9, 845 03 Bratislava, Slovak Republic;2. Faculty of Mathematics, Physics, and Informatics, Comenius University, Mlynská Dolina, 842 48 Bratislava, Slovak Republic;3. US Army Research Laboratory, AMSRD-ARL-CI-ES, 2800 Powder Mill Road, Adelphi, MD 20783-1197, United States;1. School of Measurement and Communication, Harbin University of Science & Technology, Harbin 150080, China;2. The Higher Educational Key Laboratory for Measuring & Control Technology and Instrumentations of Heilongjiang Province, Harbin University of Science & Technology, Harbin 150080, China;1. Key Laboratory of Mechanics on Environment and Disaster in Western China, Ministry of Education, 730000, China;2. College of Civil Engineering and Mechanics, Lanzhou University, Lanzhou 730000, Gansu, China |
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| Abstract: | An exchange of energy between a charged particle and an EM wave scattered by a conductive sphere or a system of conductive spheres has been calculated. Fields of the near-wave zone are responsible for energy exchange. A proper distribution of the scatterers leads to a cumulative change of the particle energy. The deflection of particles and radiative losses due to the scattered wave have been evaluated. Although both processes seem unimportant for acceleration of heavy particles (protons), they do restrict the acceleration of electrons, particularly the radiative losses. The system is studied as a model of a laser diffraction grating accelerator. |
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