Simulations of multipacting in the cathode stalk and FPC of 112 MHz superconducting electron gun

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A 112 MHz superconducting quarter-wave resonator electron gun will be used as the injector of the Coherent Electron Cooling (CEC) proof-of-principle experiment at BNL. Furthermore, this electron gun can be used for testing of the performance of various high quantum efficiency photocathodes. In a previous paper, we presented the design of the cathode stalks and a Fundamental Power Coupler (FPC). In this paper we present updated designs of the cathode stalk and FPC. Multipacting in the cathode stalk and FPC was simulated using three different codes. All simulation results show no serious multipacting in the cathode stalk and FPC.

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T., Xin; Ben-Zvi, I.; Belomestnykh, S.; Chang, X.; Rao, T.; Skaritka, J. et al. May 20, 2012.

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A 112 MHz superconducting quarter-wave resonator electron gun will be used as the injector of the Coherent Electron Cooling (CEC) proof-of-principle experiment at BNL. Furthermore, this electron gun can be used for testing of the performance of various high quantum efficiency photocathodes. In a previous paper, we presented the design of the cathode stalks and a Fundamental Power Coupler (FPC). In this paper we present updated designs of the cathode stalk and FPC. Multipacting in the cathode stalk and FPC was simulated using three different codes. All simulation results show no serious multipacting in the cathode stalk and FPC.

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  • 2012 International Particle Accelerator Conference (IPAC 2012); New Orleans, LA; 20120520 through 20120525

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  • Report No.: BNL--96694-2012-CP
  • Grant Number: DE-AC02-98CH10886
  • Office of Scientific & Technical Information Report Number: 1049254
  • Archival Resource Key: ark:/67531/metadc841029

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  • May 20, 2012

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  • May 19, 2016, 9:45 a.m.

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  • July 21, 2016, 7:58 p.m.

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T., Xin; Ben-Zvi, I.; Belomestnykh, S.; Chang, X.; Rao, T.; Skaritka, J. et al. Simulations of multipacting in the cathode stalk and FPC of 112 MHz superconducting electron gun, article, May 20, 2012; United States. (digital.library.unt.edu/ark:/67531/metadc841029/: accessed May 24, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.