Peculiarities in the low energy range of the bremsstrahlung spectrum |
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| Affiliation: | 1. Department of Pharmacy, Anhui University of Chinese Medicine, Hefei, Anhui, China;2. College of Nano Science & Technology, Soochow University, Suzhou, Jiangsu, China;3. Center for Drug Delivery System, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai, China;4. Institute of Pharmaceutics, Anhui Academy of Chinese Medicine, Hefei, Anhui, China;5. Key Laboratory of Xin''an Medicine, Ministry of Education, Hefei, Anhui, China;1. M.N. Miheev Institute of Metal Physics of Ural Branch of Russian Academy of Sciences, 620108 Ekaterinburg, Russia;2. Institute of Metallurgy Urals Division of Russian Academy of Sciences, 620016 Ekaterinburg, Russia;1. School of Medicine, Federal University of Rio Grande (FURG), Rio Grande, RS, Brazil;2. Laboratório de Desenvolvimento Tecnológico em Virologia, Instituto Oswaldo Cruz, Fundação Oswaldo Cruz, Rio de Janeiro, RJ, Brazil;3. University Hospital, Federal University of Rio Grande (FURG), Rio Grande, RS, Brazil;4. Federal University of Rio de Janeiro (UFRJ), Rio de Janeiro, RJ, Brazil;1. Pulmonology Department, Hospital Centre of Barreiro-Montijo, Barreiro, Portugal;2. Allergy Centre, CUF Descobertas Hospital, Lisboa, Portugal;3. Pulmonology Department, Central Hospital of Funchal, Portugal;4. Charité, Universitätsmedizin Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Comprehensive Allergy Center, Department of Dermatology and Allergy, Berlin, Germany and MACVIA-France, Montpellier, France;1. Department of Mechanical Engineering, Ferdowsi University of Mashhad, Mashhad 91775-1111, Iran;2. Department of Mechanical Engineering, Semnan Branch, Islamic Azad University, Semnan, Iran |
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| Abstract: | Peculiarities in bremsstrahlung and polarization bremsstrahlung from fast electrons caused by the collective contribution of target's atoms to the formation of emitted photons are considered theoretically. It is shown that such collective contribution can result in the strong suppression or, in the contrary, in substantial growth of the emission yield relative to that in the case of fast electron interaction with a separate atom. Some new effects of this kind are analyzed in detail and the possibility to observe them experimentally is estimated. |
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