Investigating the effect of electron emission pattern on RF gun beam quality
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- 作者：A. Rajabia ; B. Shokria ; b ; b-shokri@sbu.ac.ir" class="auth_mail" title="E-mail the corresponding author
- 关键词：Cathode Emission pattern ; RF gun ; Beam dynamics
- 刊名：Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
- 出版年：2016
- 出版时间：11 May 2016
- 年：2016
- 卷：818
- 期：Complete
- 页码：95-106
- 全文大小：7595 K
文摘
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We developed a 3D code to simulate the beam dynamics of thermionic RF gun.
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Te impact of the emission pattern on the beam dynamic was investigated.
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Different emission pattern results different emittance in the gun exit.
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Using a nosecone around the cathode adjacent wall reduces back bombardment effect.