Online 222 Rn removal by cryogenic distillation in the XENON100 experiment

XENON Collaboration

Research output: Contribution to journalArticlepeer-review


We describe the purification of xenon from traces of the radioactive noble gas radon using a cryogenic distillation column. The distillation column was integrated into the gas purification loop of the XENON100 detector for online radon removal. This enabled us to significantly reduce the constant 222Rn background originating from radon emanation. After inserting an auxiliary 222Rn emanation source in the gas loop, we determined a radon reduction factor of R>27 (95% C.L.) for the distillation column by monitoring the 222Rn activity concentration inside the XENON100 detector.

Original languageEnglish (US)
Article number358
JournalEuropean Physical Journal C
Issue number6
StatePublished - Jun 1 2017

ASJC Scopus subject areas

  • Engineering (miscellaneous)
  • Physics and Astronomy (miscellaneous)


Dive into the research topics of 'Online 222 Rn removal by cryogenic distillation in the XENON100 experiment'. Together they form a unique fingerprint.

Cite this