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Title: Initial beam dynamics simulations of a high-average-current field-emission electron source in a superconducting radiofrequency gun

Journal Article · · Nuclear Instruments and Methods in Physics Research. Section A, Accelerators, Spectrometers, Detectors and Associated Equipment
 [1];  [2];  [2];  [2];  [3];  [2];  [2];  [2]
  1. Northern Illinois University, DeKalb, IL (United States)
  2. Fermi National Accelerator Laboratory (FNAL), Batavia, IL (United States)
  3. Northern Illinois University, DeKalb, IL (United States); Fermi National Accelerator Laboratory (FNAL), Batavia, IL (United States)
+ Show Author Affiliations

High-power electron beams are sought-after tools in support to a wide array of societal applications. This paper explores the production of high-power electron beams by combining a high-current field-emission electron source to a superconducting radio-frequency (SRF) cavity. We especially carry out beam-dynamics simulations that demonstrate the viability of the scheme to form ~ 300 kW average-power electron beam using a 1+1/2-cell SRF gun.

Research Organization:
Fermi National Accelerator Laboratory (FNAL), Batavia, IL (United States)
Sponsoring Organization:
USDOE Office of Science (SC), High Energy Physics (HEP)
Grant/Contract Number:
AC02-07CH11359
OSTI ID:
1420909
Report Number(s):
FERMILAB-CONF-18-012-APC; arXiv:1801.01951; oai:inspirehep.net:1646736
Journal Information:
Nuclear Instruments and Methods in Physics Research. Section A, Accelerators, Spectrometers, Detectors and Associated Equipment, Vol. 909; ISSN 0168-9002
Publisher:
ElsevierCopyright Statement
Country of Publication:
United States
Language:
English

References (9)

Experiment and analysis on back-bombardment effect in thermionic RF gun
  • Kii, Toshiteru; Yamaguchi, Tomohiko; Ikeda, Ryuta
  • Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, Vol. 475, Issue 1-3 https://doi.org/10.1016/S0168-9002(01)01587-X
journal December 2001
Resonant tunneling and extreme brightness from diamond field emitters and carbon nanotubes journal November 2010
Operation of an ungated diamond field-emission array cathode in a L-band radiofrequency electron source journal June 2014
Superconducting TESLA cavities journal September 2000
Electron Back-Bombardment and Mitigation in a Short Gap, Thermionic Cathode RF Gun journal April 2014
Synthesis and superconducting properties of niobium nitride nanowires and nanoribbons journal October 2007
Planar ultrananocrystalline diamond field emitter in accelerator radio frequency electron injector: Performance metrics journal November 2014
Asymmetric Bimodal Accelerator Cavity for Raising rf Breakdown Thresholds journal May 2010
Field-emission cathode gating for rf electron guns journal March 2005

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43 PARTICLE ACCELERATORS
superconducting radiofrequency cavity
high-current electron source
field emission