| Beam dynamics studies on the 100 MeV/100 kWelectron linear accelerator for NSCKIPT neutron source |
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| 作者姓名： | 裴士伦 池云龙 王书鸿 裴国玺 周祖圣 侯汨 Mykola Ayzatskiy Ivan Karnaukhov Volodymyr Kushnir Viktor Mytrochenko Andrey Zelinsky |
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| 作者单位： | 1. Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100049, China;;2. Kharkov Institute of Physics and Technology, National Science Center, Kharkov 61108, Ukraine |
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| 摘 要： | We designed a 100 MeV/100 kW electron linear accelerator for NSC KIPT, which will be used to drive a neutron source on the basis of subcritical assembly. Beam dynamics studies have been conducted to reach the design requirements (E=100 MeV, P=100 kW, dE/E<1% for 99% particles). In this paper, we will present the progress of the design and the dynamic simulation results. For high intensity and long beam pulse linear accelerators, the BBU effect is one big issue; special care has been taken in the accelerating structure design. To satisfy the energy spread requirement at the linac exit, the particles with large energy difference from the synchronous particle should be eliminated at a low energy stage to ease the design of the collimation system and radiation shielding. A dispersion free chicane with 4 bending magnets is introduced downstream of the 1st accelerating section; the unwanted particles will be collimated there.
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| 关 键 词： | beam dynamics linear accelerator BBU collimation system neutron source |
| 收稿时间： | 2011-8-26 |
Beam dynamics studies on the 100 MeV/100 kW electron linear accelerator for NSC KIPT neutron source |
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| Institution: | PEI Shi-Lun 1;1) CHI Yun-Long 1 WANG Shu-Hong 1 PEI Guo-Xi 1 ZHOU Zu-Sheng 1 HOU Mi 1 Mykola Ayzatskiy 2 Ivan Karnaukhov 2 Volodymyr Kushnir 2 Viktor Mytrochenko 2 Andrey Zelinsky 2 1 Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100049, China 2 Kharkov Institute of Physics and Technology, National Science Center, Kharkov 61108, Ukraine |
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| Abstract: | We designed a 100 MeV/100 kW electron linear accelerator for NSC KIPT, which will be used to drive a neutron source on the basis of subcritical assembly. Beam dynamics studies have been conducted to reach the design requirements (E=100 MeV, P =100 kW, dE/E <1% for 99% particles). In this paper, we will present the progress of the design and the dynamic simulation results. For high intensity and long beam pulse linear accelerators, the BBU effect is one big issue; special care has been taken in the accelerating structure design. To satisfy the energy spread requirement at the linac exit, the particles with large energy difference from the synchronous particle should be eliminated at a low energy stage to ease the design of the collimation system and radiation shielding. A dispersion free chicane with 4 bending magnets is introduced downstream of the 1st accelerating section; the unwanted particles will be collimated there. |
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| Keywords: | beam dynamics linear accelerator BBU collimation system neutron source |
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