RF design for the TOPGUN photogun: A cryogenic normal conducting copper electron gun
| Autor: | Atsushi Fukasawa, James Rosenzweig, Sami Tantawi, Valery Dolgashev, Bruno Spataro, A. Cahill, G. Castorina, R. Pakter, Cecile Limborg-Deprey |
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| Rok vydání: | 2017 |
| Předmět: |
Free electron model
Physics Nuclear and High Energy Physics Brightness 010308 nuclear & particles physics business.industry Ultrafast electron diffraction Photoinjector chemistry.chemical_element Particle accelerator Laser 01 natural sciences Copper law.invention Optics chemistry law 0103 physical sciences 010306 general physics business Instrumentation Electron gun |
| Zdroj: | Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 865:105-108 |
| ISSN: | 0168-9002 |
| DOI: | 10.1016/j.nima.2016.08.062 |
| Popis: | Recent studies of rf breakdown physics in cryogenic copper X-band accelerating structures have shown a dramatic increase in the operating gradient while maintaining low breakdown rates. The TOPGUN project, a collaboration between UCLA, SLAC, and INFN, will use this improvement in gradient to create an ultra-high brightness cryogenic normal conducting photoinjector [16] . The brightness is expected to be higher by a factor of 25 relative to the LCLS photogun [9] . This improvement in the brightness will lead to increased performance of X-Ray free electron lasers (FELs) and ultrafast electron diffraction devices [16] . We present the rf design for this S-band photogun, which will be a drop-in replacement for the current LCLS photogun. |
| Databáze: | OpenAIRE |
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