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Online $^{222}$Rn removal by cryogenic distillation in the XENON100 experiment

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arxiv 1702.06942 v2 pith:TDCIWY6K submitted 2017-02-22 physics.ins-det

XENON Collaboration: E. Aprile , J. Aalbers , F. Agostini , M. Alfonsi , F. D. Amaro , M. Anthony , F. Arneodo , P. Barrow
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L. Baudis B. Bauermeister M. L. Benabderrahmane T. Berger P. A. Breur A. Brown E. Brown S. Bruenner G. Bruno R. Budnik L. Bütikofer J. Calvén J. M. R. Cardoso M. Cervantes D. Cichon D. Coderre A. P. Colijn J. Conrad J. P. Cussonneau M. P. Decowski P. de Perio P. Di Gangi A. Di Giovanni S. Diglio E. Duchovni G. Eurin J. Fei A. D. Ferella A. Fieguth D. Franco W. Fulgione A. Gallo Rosso M. Galloway F. Gao M. Garbini C. Geis L. W. Goetzke L. Grandi Z. Greene C. Grignon C. Hasterok E. Hogenbirk R. Itay B. Kaminsky G. Kessler A. Kish H. Landsman R. F. Lang D. Lellouch L. Levinson M. Le Calloch Q. Lin S. Lindemann M. Lindner J. A. M. Lopes A. Manfredini I. Maris T. Marrodán Undagoitia J. Masbou F. V. Massoli D. Masson D. Mayani Y. Meng M. Messina K. Micheneau B. Miguez A. Molinario M. Murra J. Naganoma K. Ni U. Oberlack S. E. A. Orrigo P. Pakarha B. Pelssers R. Persiani F. Piastra J. Pienaar M.-C. Piro V. Pizzella G. Plante N. Priel L. Rauch S. Reichard C. Reuter A. Rizzo S. Rosendahl N. Rupp R. Saldanha J. M. F. dos Santos G. Sartorelli M. Scheibelhut S. Schindler J. Schreiner M. Schumann L. Scotto Lavina M. Selvi P. Shagin E. Shockley M. Silva H. Simgen M. v. Sivers A. Stein D. Thers A. Tiseni G. Trinchero C. Tunnell N. Upole H. Wang Y. Wei C. Weinheimer J. Wulf J. Ye Y. Zhang I. Cristescu
This is my paper · ORCID
classification physics.ins-det
keywords distillationradoncolumnxenon100cryogenicdetectoremanationloop
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abstract

We describe the purification of xenon from traces of the radioactive noble gas radon using a cryogenic distillation column. The distillation column is integrated into the gas purification loop of the XENON100 detector for online radon removal. This enabled us to significantly reduce the constant $^{222}$Rn background originating from radon emanation. After inserting an auxiliary $^{222}$Rn 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 $^{222}$Rn activity concentration inside the XENON100 detector.

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Cited by 3 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. HydroX, a light dark matter search with hydrogen-doped liquid xenon time projection chambers

    hep-ex 2025-05 conditional novelty 7.0 of 10

    HydroX, a proposed hydrogen-doped liquid xenon TPC, projects sensitivity to sub-GeV dark matter through enhanced proton-recoil signals in a large xenon detector.

  2. Application of surface coating for radon mitigation in rare-event searches

    physics.ins-det 2026-06 unverdicted novelty 5.0 of 10

    Electroplating copper onto 226Ra-implanted stainless steel reduces 222Rn emanation rate by 1000x.

  3. Radon Removal in XENONnT down to the Solar Neutrino Level

    physics.ins-det 2025-02 conditional novelty 5.0 of 10

    XENONnT reduced radon-222 in its liquid xenon target to 0.90 ± 0.07 micro-becquerel per kilogram, the lowest level reported for an operational dual-phase dark matter detector, matching the solar neutrino background.

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