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Cathode ion bombardment in rf photoguns

E. Pozdeyev, D. Kayran, V. N. Litvinenko
2009 Physical Review Special Topics. Accelerators and Beams  

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In this paper, we use the method of rapid oscillating field to solve the equation of ion motion in an RF gun. We apply the method to the BNL 1/2-cell SRF photogun and demonstrate that a significant portion of ions produced in the gun can reach the cathode if no special precautions are taken. Also, the paper proposes a simple mitigation recipe that can reduce the rate of ion bombardment. PACS numbers: 29.25.Bx,85.60.Ha
doi:10.1103/physrevstab.12.043501 fatcat:hfx57idzt5fcrbgzvgmcw6el3y
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E. Pozdeyev, D. Kayran, V. N. Litvinenko. "Cathode ion bombardment in rf photoguns." Physical Review Special Topics. Accelerators and Beams 12.4 (2009)