publication . Article . Other literature type . 2013

Characterization of a superconducting Pb photocathode in a superconducting rf photoinjector cavity

Jacek Sekutowicz; Thorsten Kamps; Robert Nietubyć;
Open Access English
  • Published: 06 Dec 2013
  • Publisher: Phys. Rev. ST Accel. Beams
Photocathodes are a limiting factor for the next generation of ultrahigh brightness photoinjectors. We studied the behavior of a superconducting Pb cathode in the cryogenic environment of a superconducting rf gun cavity to measure the quantum efficiency, its spatial distribution, and the work function. We will also discuss how the cathode surface contaminants modify the performance of the photocathode as well as the gun cavity and we discuss the possibilities to remove these contaminants.
arXiv: Physics::Accelerator PhysicsPhysics::Instrumentation and Detectors
free text keywords: Accelerators and Storage Rings, Innovative Radio Frequency Technologies (RF) [12], Coordination and Communication [12.1], Physics and Astronomy (miscellaneous), Nuclear and High Energy Physics, Surfaces and Interfaces, Nuclear and particle physics. Atomic energy. Radioactivity, QC770-798
Funded by
Enhanced European Coordination for Accelerator Research & Development
  • Funder: European Commission (EC)
  • Project Code: 312453
  • Funding stream: FP7 | SP4 | INFRA
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