Intrinsic backgrounds from Rn and Kr in the XENON100 experiment

XENON Collaboration

Research output: Contribution to journalArticle

Abstract

In this paper, we describe the XENON100 data analyses used to assess the target-intrinsic background sources radon ([InlineMediaObject not available: see fulltext.]), thoron ([InlineMediaObject not available: see fulltext.]) and krypton ([InlineMediaObject not available: see fulltext.]). We detail the event selections of high-energy alpha particles and decay-specific delayed coincidences. We derive distributions of the individual radionuclides inside the detector and quantify their abundances during the main three science runs of the experiment over a period of ∼4years, from January 2010 to January 2014. We compare our results to external measurements of radon emanation and krypton concentrations where we find good agreement. We report an observed reduction in concentrations of radon daughters that we attribute to the plating-out of charged ions on the negatively biased cathode.

Original languageEnglish (US)
Article number132
JournalEuropean Physical Journal C
Volume78
Issue number2
DOIs
StatePublished - Feb 1 2018

Fingerprint

Radon
radon
Krypton
krypton
radon isotopes
Alpha particles
alpha decay
Experiments
plating
Plating
Radioisotopes
radioactive isotopes
alpha particles
Cathodes
cathodes
Detectors
detectors
Ions
ions
energy

ASJC Scopus subject areas

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

Cite this

Intrinsic backgrounds from Rn and Kr in the XENON100 experiment. / XENON Collaboration.

In: European Physical Journal C, Vol. 78, No. 2, 132, 01.02.2018.

Research output: Contribution to journalArticle

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abstract = "In this paper, we describe the XENON100 data analyses used to assess the target-intrinsic background sources radon ([InlineMediaObject not available: see fulltext.]), thoron ([InlineMediaObject not available: see fulltext.]) and krypton ([InlineMediaObject not available: see fulltext.]). We detail the event selections of high-energy alpha particles and decay-specific delayed coincidences. We derive distributions of the individual radionuclides inside the detector and quantify their abundances during the main three science runs of the experiment over a period of ∼4years, from January 2010 to January 2014. We compare our results to external measurements of radon emanation and krypton concentrations where we find good agreement. We report an observed reduction in concentrations of radon daughters that we attribute to the plating-out of charged ions on the negatively biased cathode.",
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AU - Aprile, E.

AU - Aalbers, J.

AU - Agostini, F.

AU - Alfonsi, M.

AU - Amaro, F. D.

AU - Anthony, M.

AU - Arneodo, Francesco

AU - Barrow, P.

AU - Baudis, L.

AU - Bauermeister, B.

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AU - Berger, T.

AU - Breur, P. A.

AU - Brown, A.

AU - Brown, E.

AU - Bruenner, S.

AU - Bruno, G.

AU - Budnik, R.

AU - Bütikofer, L.

AU - Calvén, J.

AU - Cardoso, J. M.R.

AU - Cervantes, M.

AU - Cichon, D.

AU - Coderre, D.

AU - Colijn, A. P.

AU - Conrad, J.

AU - Cussonneau, J. P.

AU - Decowski, M. P.

AU - de Perio, P.

AU - Di Gangi, P.

AU - Di Giovanni, A.

AU - Diglio, S.

AU - Eurin, G.

AU - Fei, J.

AU - Ferella, A. D.

AU - Fieguth, A.

AU - Fulgione, W.

AU - Rosso, A. Gallo

AU - Galloway, M.

AU - Gao, F.

AU - Garbini, M.

AU - Geis, C.

AU - Goetzke, L. W.

AU - Greene, Z.

AU - Grignon, C.

AU - Hasterok, C.

AU - Hogenbirk, E.

AU - Itay, R.

AU - Kaminsky, B.

AU - Kazama, S.

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N2 - In this paper, we describe the XENON100 data analyses used to assess the target-intrinsic background sources radon ([InlineMediaObject not available: see fulltext.]), thoron ([InlineMediaObject not available: see fulltext.]) and krypton ([InlineMediaObject not available: see fulltext.]). We detail the event selections of high-energy alpha particles and decay-specific delayed coincidences. We derive distributions of the individual radionuclides inside the detector and quantify their abundances during the main three science runs of the experiment over a period of ∼4years, from January 2010 to January 2014. We compare our results to external measurements of radon emanation and krypton concentrations where we find good agreement. We report an observed reduction in concentrations of radon daughters that we attribute to the plating-out of charged ions on the negatively biased cathode.

AB - In this paper, we describe the XENON100 data analyses used to assess the target-intrinsic background sources radon ([InlineMediaObject not available: see fulltext.]), thoron ([InlineMediaObject not available: see fulltext.]) and krypton ([InlineMediaObject not available: see fulltext.]). We detail the event selections of high-energy alpha particles and decay-specific delayed coincidences. We derive distributions of the individual radionuclides inside the detector and quantify their abundances during the main three science runs of the experiment over a period of ∼4years, from January 2010 to January 2014. We compare our results to external measurements of radon emanation and krypton concentrations where we find good agreement. We report an observed reduction in concentrations of radon daughters that we attribute to the plating-out of charged ions on the negatively biased cathode.

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