Technical memo on new results on CsI photocathodes: Enhancement and aging

Technical Report · Sun Sep 01 04:00:00 EDT 1991

DOI:https://doi.org/10.2172/5232899· OSTI ID:5232899

Anderson, D F; Kwan, S ^[1]; Hoeneisen, B ^[2]; Peskov, V ^[3]

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1. Fermi National Accelerator Lab., Batavia, IL (United States)
2. Universidad San Francisco de Quito (Ecuador)
3. European Organization for Nuclear Research, Geneva (Switzerland). World Lab.

It appears that there are 4 processes involved in the enhancement and aging of a CsI or CsI-TMAE photocathode: water absorption, charging up of the photocathode, a self annealing aging, and a permanent aging. The evidence for these processes are presented. 9 refs., 6 figs.

• Research Organization: Fermi National Accelerator Lab., Batavia, IL (United States)
• Sponsoring Organization: DOE; USDOE, Washington, DC (United States)
• DOE Contract Number: AC02-76CH03000
• OSTI ID: 5232899
• Report Number(s): FNAL-TM-1753; ON: DE92000598
• Country of Publication: United States
• Language: English

Related Subjects

440104* -- Radiation Instrumentation-- High Energy Physics Instrumentation
46 INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY
AGING
ALKALI METAL COMPOUNDS
CATHODES
CESIUM COMPOUNDS
CESIUM IODIDES
ELECTRODES
FILMLESS SPARK CHAMBERS
GAS TRACK DETECTORS
HALIDES
HALOGEN COMPOUNDS
INORGANIC PHOSPHORS
IODIDES
IODINE COMPOUNDS
MEASURING INSTRUMENTS
MODIFICATIONS
PHOSPHORS
PHOTOCATHODES
RADIATION DETECTORS
SPARK CHAMBERS
WIRE SPARK CHAMBERS