Zobrazeno 1 - 2
of 2
pro vyhledávání: '"S. A. K. Wijethunga"'
Autor:
J. T. Yoskowitz, G. A. Krafft, G. Palacios-Serrano, S. A. K. Wijethunga, J. Grames, J. Hansknecht, C. Hernandez-Garcia, M. Poelker, M. L. Stutzman, R. Suleiman, C. A. Valerio-Lizarraga, S. B. Van Der Geer
Publikováno v:
Physical Review Accelerators and Beams, Vol 27, Iss 12, p 123401 (2024)
GaAs photocathodes in dc high-voltage photoguns are highly susceptible to ion back-bombardment, which reduces the photocathode quantum efficiency and limits the useful operating lifetime for producing polarized electron beams. This paper demonstrates
Externí odkaz:
https://doaj.org/article/db9db36c61c542ee8717a7be0b4c8086
Autor:
S. A. K. Wijethunga, M. A. Mamun, R. Suleiman, C. Hernandez-Garcia, B. Bullard, J. R. Delayen, J. Grames, G. A. Krafft, G. Palacios-Serrano, M. Poelker
Publikováno v:
The Review of scientific instruments. 93(7)
The 300 kV DC high voltage photogun at Jefferson Lab was redesigned to deliver electron beams with a much higher bunch charge and improved beam properties. The original design provided only a modest longitudinal electric field ( E z) at the photocath