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Title: Portable neon purification system

Conference ·
OSTI ID:416769
;  [1]
  1. Fermi National Accelerator Lab., Batavia, IL (United States)

This paper describes the principle design features of a portable neon purification system and the results of the system performance testing. Neon gas replaces air in the Ring Imaging Cerenkov (RICH) detector without using vacuum, in experiment E781 (SELEX) at Fermilab. The portable neon purification system purifies neon gas by, first purging air with CO{sub 2}, freezing the CO{sub 2}, then cryo-adsorbing the remaining contaminants. The freezer removes carbon dioxide from a neon gas mixture down to a maximum concentration of 500 parts-per-million (ppm). The charcoal bed adsorber removes nitrogen from neon gas down to a maximum concentration of 100 ppm. The original RICH vessel was designed to hold vacuum but its photo-multiplier tube plates were not.

DOE Contract Number:
AC02-76CH03000
OSTI ID:
416769
Report Number(s):
CONF-950722-; TRN: 97:001733
Resource Relation:
Conference: CEC/ICMC `95: cryogenic engineering conference and international cryogenic materials conference, Columbus, OH (United States), 17-21 Jul 1995; Other Information: PBD: 1996; Related Information: Is Part Of Advances in cryogenic engineering. Volume 41, Part A & B; Kittel, P. [ed.]; PB: 2037 p.
Country of Publication:
United States
Language:
English