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Dynamic energy spectrum and energy deposition in solid target by intense pulsed ion beams |
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| Authors: | Zheng Liu Yu I.Isakova Sha Yan |
| Affiliation: | 1. Department of Mechanical Engineering, Tsinghua University, Beijing 100084, China;2. Institute of High Technology Physics, Tomsk Polytechnic University, Tomsk, Russia 634050;3. Institute of Heavy Ion Physics, Peking University,Beijing 100871, China |
| Abstract: | A method for analyzing the dynamic energy spectrum of intense pulsed ion beam (IPIB) was proposed.Its influence on beam energy deposition in metal target was studied with IPIB produced by two types of magnetically insulated diodes (MID).The emission of IPIB was described with space charge limitation model,and the dynamic energy spectrum was further analyzed with time-of-flight method.IPIBs generated by pulsed accelerators of BIPPAB-450 (active MID) and TEMP-4M (passive MID) were studied.The dynamic energy spectrum was used to deduce the power density distribution of IPIB in the target with Monte Carlo simulation and infrared imaging diagnostics.The effect on the distribution and evolution of thermal field induced by the characteristics of IPIB dynamic energy spectrum was discussed. |
| Keywords: | Intense pulsed ion beam Space charge Time-of-flight method Dynamic energy spectrum Power density distribution |
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