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@article{Akerib:2017:10.1016/j.astropartphys.2017.10.014,
author = {Akerib, DS and Araújo, HM and Bai, X and Bailey, AJ and Balajthy, J and Beltrame, P and Bernard, EP and Bernstein, A and Biesiadzinski, TP and Boulton, EM and Bramante, R and Cahn, SB and Carmona-Benitez, MC and Chan, C and Chiller, AA and Chiller, C and Coffey, T and Currie, A and Cutter, JE and Davison, TJR and Dobi, A and Dobson, JEY and Druszkiewicz, E and Edwards, BN and Faham, CH and Fiorucci, S and Gaitskell, RJ and Gehman, VM and Ghag, C and Gibson, KR and Gilchriese, MGD and Hall, CR and Hanhardt, M and Haselschwardt, SJ and Hertel, SA and Hogan, DP and Horn, M and Huang, DQ and Ignarra, CM and Ihm, M and Jacobsen, RG and Ji, W and Kamdin, K and Kazkaz, K and Khaitan, D and Knoche, R and Larsen, NA and Lee, C and Lenardo, BG and Lesko, KT and Lindote, A and Lopes, MI and Manalaysay, A and Mannino, RL and Marzioni, MF and McKinsey, DN and Mei, DM and Mock, J and Moongweluwan, M and Morad, JA and Murphy, ASJ and Nehrkorn, C and Nelson, HN and Neves, F and O'Sullivan, K and Olive},
doi = {10.1016/j.astropartphys.2017.10.014},
journal = {Astroparticle Physics},
pages = {80--87},
title = {Chromatographic separation of radioactive noble gases from xenon},
url = {http://dx.doi.org/10.1016/j.astropartphys.2017.10.014},
volume = {97},
year = {2017}
}

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TY  - JOUR
AB  - The Large Underground Xenon (LUX) experiment operates at the Sanford Underground Research Facility to detect nuclear recoils from the hypothetical Weakly Interacting Massive Particles (WIMPs) on a liquid xenon target. Liquid xenon typically contains trace amounts of the noble radioactive isotopes 85 Kr and 39 Ar that are not removed by the in situ gas purification system. The decays of these isotopes at concentrations typical of research-grade xenon would be a dominant background for a WIMP search experiment. To remove these impurities from the liquid xenon, a chromatographic separation system based on adsorption on activated charcoal was built. 400 kg of xenon was processed, reducing the average concentration of krypton from 130 ppb to 3.5 ppt as measured by a cold-trap assisted mass spectroscopy system. A 50 kg batch spiked to 0.001 g/g of krypton was processed twice and reduced to an upper limit of 0.2 ppt.
AU  - Akerib,DS
AU  - Araújo,HM
AU  - Bai,X
AU  - Bailey,AJ
AU  - Balajthy,J
AU  - Beltrame,P
AU  - Bernard,EP
AU  - Bernstein,A
AU  - Biesiadzinski,TP
AU  - Boulton,EM
AU  - Bramante,R
AU  - Cahn,SB
AU  - Carmona-Benitez,MC
AU  - Chan,C
AU  - Chiller,AA
AU  - Chiller,C
AU  - Coffey,T
AU  - Currie,A
AU  - Cutter,JE
AU  - Davison,TJR
AU  - Dobi,A
AU  - Dobson,JEY
AU  - Druszkiewicz,E
AU  - Edwards,BN
AU  - Faham,CH
AU  - Fiorucci,S
AU  - Gaitskell,RJ
AU  - Gehman,VM
AU  - Ghag,C
AU  - Gibson,KR
AU  - Gilchriese,MGD
AU  - Hall,CR
AU  - Hanhardt,M
AU  - Haselschwardt,SJ
AU  - Hertel,SA
AU  - Hogan,DP
AU  - Horn,M
AU  - Huang,DQ
AU  - Ignarra,CM
AU  - Ihm,M
AU  - Jacobsen,RG
AU  - Ji,W
AU  - Kamdin,K
AU  - Kazkaz,K
AU  - Khaitan,D
AU  - Knoche,R
AU  - Larsen,NA
AU  - Lee,C
AU  - Lenardo,BG
AU  - Lesko,KT
AU  - Lindote,A
AU  - Lopes,MI
AU  - Manalaysay,A
AU  - Mannino,RL
AU  - Marzioni,MF
AU  - McKinsey,DN
AU  - Mei,DM
AU  - Mock,J
AU  - Moongweluwan,M
AU  - Morad,JA
AU  - Murphy,ASJ
AU  - Nehrkorn,C
AU  - Nelson,HN
AU  - Neves,F
AU  - O'Sullivan,K
AU  - Oliver-Mallory,KC
AU  - Palladino,KJ
AU  - Pease,EK
AU  - Pech,K
AU  - Phelps,P
AU  - Reichhart,L
AU  - Rhyne,C
AU  - Shaw,S
AU  - Shutt,TA
AU  - Silva,C
AU  - Solovov,VN
AU  - Sorensen,P
DO  - 10.1016/j.astropartphys.2017.10.014
EP  - 87
PY  - 2017///
SN  - 0927-6505
SP  - 80
TI  - Chromatographic separation of radioactive noble gases from xenon
T2  - Astroparticle Physics
UR  - http://dx.doi.org/10.1016/j.astropartphys.2017.10.014
UR  - http://hdl.handle.net/10044/1/55179
VL  - 97
ER  -

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