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Title: Design of a high-bunch-charge 112-MHz superconducting RF photoemission electron source

High-bunch-charge photoemission electron-sources operating in a continuous wave (CW) mode are required for many advanced applications of particle accelerators, such as electron coolers for hadron beams, electron-ion colliders, and free-electron lasers (FELs). Superconducting RF (SRF) has several advantages over other electron-gun technologies in CW mode as it offers higher acceleration rate and potentially can generate higher bunch charges and average beam currents. A 112 MHz SRF electron photoinjector (gun) was developed at Brookhaven National Laboratory (BNL) to produce high-brightness and high-bunch-charge bunches for the Coherent electron Cooling Proof-of-Principle (CeC PoP) experiment. Lastly, the gun utilizes a quarter-wave resonator (QWR) geometry for assuring beam dynamics, and uses high quantum efficiency (QE) multi-alkali photocathodes for generating electrons.
Authors:
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  1. Brookhaven National Lab. (BNL), Upton, NY (United States); Stony Brook Univ., NY (United States)
  2. Brookhaven National Lab. (BNL), Upton, NY (United States)
  3. Niowave, Inc., Lansing, MI (United States)
  4. Peking Univ., Beijing (China)
Publication Date:
Report Number(s):
BNL-113258-2016-JA
Journal ID: ISSN 0034-6748; RSINAK; R&D Project: KBCH139; 18034; KB0202011
Grant/Contract Number:
SC00112704; PHY-1415252; FOA-0000632
Type:
Published Article
Journal Name:
Review of Scientific Instruments
Additional Journal Information:
Journal Volume: 87; Journal Issue: 9; Journal ID: ISSN 0034-6748
Publisher:
American Institute of Physics (AIP)
Research Org:
Brookhaven National Laboratory (BNL), Upton, NY (United States)
Sponsoring Org:
USDOE Office of Science (SC), Nuclear Physics (NP) (SC-26)
Country of Publication:
United States
Language:
English
Subject:
43 PARTICLE ACCELERATORS
OSTI Identifier:
1326246
Alternate Identifier(s):
OSTI ID: 1336227; OSTI ID: 1421269

Xin, T., Brutus, J. C., Belomestnykh, Sergey A., Ben-Zvi, I., Boulware, C. H., Grimm, T. L., Hayes, T., Litvinenko, Vladimir N., Mernick, K., Narayan, G., Orfin, P., Pinayev, I., Rao, T., Severino, F., Skaritka, J., Smith, K., Than, R., Tuozzolo, J., Wang, E., Xiao, B., Xie, H., and Zaltsman, A.. Design of a high-bunch-charge 112-MHz superconducting RF photoemission electron source. United States: N. p., Web. doi:10.1063/1.4962682.
Xin, T., Brutus, J. C., Belomestnykh, Sergey A., Ben-Zvi, I., Boulware, C. H., Grimm, T. L., Hayes, T., Litvinenko, Vladimir N., Mernick, K., Narayan, G., Orfin, P., Pinayev, I., Rao, T., Severino, F., Skaritka, J., Smith, K., Than, R., Tuozzolo, J., Wang, E., Xiao, B., Xie, H., & Zaltsman, A.. Design of a high-bunch-charge 112-MHz superconducting RF photoemission electron source. United States. doi:10.1063/1.4962682.
Xin, T., Brutus, J. C., Belomestnykh, Sergey A., Ben-Zvi, I., Boulware, C. H., Grimm, T. L., Hayes, T., Litvinenko, Vladimir N., Mernick, K., Narayan, G., Orfin, P., Pinayev, I., Rao, T., Severino, F., Skaritka, J., Smith, K., Than, R., Tuozzolo, J., Wang, E., Xiao, B., Xie, H., and Zaltsman, A.. 2016. "Design of a high-bunch-charge 112-MHz superconducting RF photoemission electron source". United States. doi:10.1063/1.4962682.
@article{osti_1326246,
title = {Design of a high-bunch-charge 112-MHz superconducting RF photoemission electron source},
author = {Xin, T. and Brutus, J. C. and Belomestnykh, Sergey A. and Ben-Zvi, I. and Boulware, C. H. and Grimm, T. L. and Hayes, T. and Litvinenko, Vladimir N. and Mernick, K. and Narayan, G. and Orfin, P. and Pinayev, I. and Rao, T. and Severino, F. and Skaritka, J. and Smith, K. and Than, R. and Tuozzolo, J. and Wang, E. and Xiao, B. and Xie, H. and Zaltsman, A.},
abstractNote = {High-bunch-charge photoemission electron-sources operating in a continuous wave (CW) mode are required for many advanced applications of particle accelerators, such as electron coolers for hadron beams, electron-ion colliders, and free-electron lasers (FELs). Superconducting RF (SRF) has several advantages over other electron-gun technologies in CW mode as it offers higher acceleration rate and potentially can generate higher bunch charges and average beam currents. A 112 MHz SRF electron photoinjector (gun) was developed at Brookhaven National Laboratory (BNL) to produce high-brightness and high-bunch-charge bunches for the Coherent electron Cooling Proof-of-Principle (CeC PoP) experiment. Lastly, the gun utilizes a quarter-wave resonator (QWR) geometry for assuring beam dynamics, and uses high quantum efficiency (QE) multi-alkali photocathodes for generating electrons.},
doi = {10.1063/1.4962682},
journal = {Review of Scientific Instruments},
number = 9,
volume = 87,
place = {United States},
year = {2016},
month = {9}
}