RECENT PROGRESS ON THE DIAMOND AMPLIFIED PHOTO-CATHODE EXPERIMENT.

Conference · Mon Jun 25 00:00:00 EDT 2007

OSTI ID:921915

CHANG, X; BEN-ZVI, I; BURRILL, A; GRIMES, J; RAO, T; SEGALOV, Z; SMEDLEY, J; WU, Q

We report recent progress on the Diamond Amplified Photo-cathode (DAP). The use of a pulsed electron gun provides detailed information about the DAP physics. The secondary electron gain has been measured under various electric fields. We have achieved gains of a few hundred in the transmission mode and observed evidence of emission of electrons from the surface. A model based on recombination of electrons and holes during generation well describes the field dependence of the gain. The emittance measurement system for the DAP has been designed, constructed and is ready for use. The capsule design of the DAP is also being studied in parallel.

• Research Organization: Brookhaven National Lab. (BNL), Upton, NY (United States)
• Sponsoring Organization: Doe - Office Of Science
• DOE Contract Number: DE-AC02-98CH10886
• OSTI ID: 921915
• Report Number(s): BNL-79293-2007-CP; R&D Project: 18054; KB0202012; TRN: US0800820
• Resource Relation: Conference: 22ND PARTICLE ACCELERATOR CONFERENCE (PAC 07); ALBUQUERQUE, NEW MEXICO; 20070625 through 20070629
• Country of Publication: United States
• Language: English

Related Subjects

43 PARTICLE ACCELERATORS
ACCELERATORS
DESIGN
DIAMONDS
ELECTRIC FIELDS
ELECTRON GUNS
ELECTRONS
PHYSICS
RECOMBINATION