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Title: Multipacting-free quarter-wavelength choke joint design for BNL SRF

Abstract

The BNL SRF gun cavity operated well in CW mode up to 2 MV. However, its performance suffered due to multipacting in the quarter-wavelength choke joint. A new multipacting-free cathode stalk was designed and conditioned. This paper describes RF and thermal design of the new cathode stalk and its conditioning results.

Authors:
 [1];  [2];  [2];  [1];  [1];  [1];  [1];  [1];  [1];  [1]
+ Show Author Affiliations
  1. Brookhaven National Lab. (BNL), Upton, NY (United States). Collider-Accelerator Dept.
  2. Brookhaven National Lab. (BNL), Upton, NY (United States). Collider-Accelerator Dept.; Stony Brook Univ., NY (United States). Dept. of Physics and Astronomy
Publication Date:
Research Org.:
Brookhaven National Lab. (BNL), Upton, NY (United States)
Sponsoring Org.:
USDOE Office of Science (SC), Nuclear Physics (NP)
OSTI Identifier:
1183845
Report Number(s):
BNL-107295-2015-CP
R&D Project: KBCH139; KB0202011; TRN: US1500213
DOE Contract Number:  
SC00112704
Resource Type:
Conference
Resource Relation:
Conference: 6th International Particle Accelerator Conference (IPAC’15), Richmond, VA (United States), 3-8 May 2015
Country of Publication:
United States
Language:
English
Subject:
43 PARTICLE ACCELERATORS; BROOKHAVEN RHIC; DESIGN; CATHODES; JOINTS; SUPERCONDUCTING CAVITY RESONATORS; RF SYSTEMS; PERFORMANCE; ELECTRON GUNS; LINEAR ACCELERATORS

Citation Formats

Xu, W., Belomestnykh, S., Ben-Zvi, I., Liaw, C. J., Smith, K., Than, R., Tuozzolo, J., Wang, E., Weiss, D., and Zaltsman, A. Multipacting-free quarter-wavelength choke joint design for BNL SRF. United States: N. p., 2015. Web.
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Xu, W., Belomestnykh, S., Ben-Zvi, I., Liaw, C. J., Smith, K., Than, R., Tuozzolo, J., Wang, E., Weiss, D., & Zaltsman, A. Multipacting-free quarter-wavelength choke joint design for BNL SRF. United States.
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Xu, W., Belomestnykh, S., Ben-Zvi, I., Liaw, C. J., Smith, K., Than, R., Tuozzolo, J., Wang, E., Weiss, D., and Zaltsman, A. 2015. "Multipacting-free quarter-wavelength choke joint design for BNL SRF". United States. https://www.osti.gov/servlets/purl/1183845.
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@article{osti_1183845,
title = {Multipacting-free quarter-wavelength choke joint design for BNL SRF},
author = {Xu, W. and Belomestnykh, S. and Ben-Zvi, I. and Liaw, C. J. and Smith, K. and Than, R. and Tuozzolo, J. and Wang, E. and Weiss, D. and Zaltsman, A.},
abstractNote = {The BNL SRF gun cavity operated well in CW mode up to 2 MV. However, its performance suffered due to multipacting in the quarter-wavelength choke joint. A new multipacting-free cathode stalk was designed and conditioned. This paper describes RF and thermal design of the new cathode stalk and its conditioning results.},
doi = {},
url = {https://www.osti.gov/biblio/1183845}, journal = {},
number = ,
volume = ,
place = {United States},
year = {Sun May 03 00:00:00 EDT 2015},
month = {Sun May 03 00:00:00 EDT 2015}
}
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