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@article{Akerib:2020:epjc/s10052-020-8420-x,
author = {Akerib, DS and Akerlof, CW and Akimov, DY and Alquahtani, A and Alsum, SK and Anderson, TJ and Angelides, N and Araujo, HM and Arbuckle, A and Armstrong, JE and Arthurs, M and Auyeung, H and Aviles, S and Bai, X and Bailey, AJ and Balajthy, J and Balashov, S and Bang, J and Barry, MJ and Bauer, D and Bauer, P and Baxter, A and Belle, J and Beltrame, P and Bensinger, J and Benson, T and Bernard, EP and Bernstein, A and Bhatti, A and Biekert, A and Biesiadzinski, TP and Birch, HJ and Birrittella, B and Boast, KE and Bolozdynya, AI and Boulton, EM and Boxer, B and Bramante, R and Branson, S and Bras, P and Breidenbach, M and Brew, CAJ and Buckley, JH and Bugaev, VV and Bunker, R and Burdin, S and Busenitz, JK and Cabrita, R and Campbell, JS and Carels, C and Carlsmith, DL and Carlson, B and Carmona-Benitez, MC and Cascella, M and Chan, C and Cherwinka, JJ and Chiller, AA and Chiller, C and Chott, NI and Cole, A and Coleman, J and Colling, D and Conley, RA and Cottle, A and Coughlen, R and},
doi = {epjc/s10052-020-8420-x},
journal = {European Physical Journal C: Particles and Fields},
pages = {1--52},
title = {The LUX-ZEPLIN (LZ) radioactivity and cleanliness control programs},
url = {http://dx.doi.org/10.1140/epjc/s10052-020-8420-x},
volume = {80},
year = {2020}
}

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TY  - JOUR
AB  - LUX-ZEPLIN (LZ) is a second-generation direct dark matter experiment with spin-independent WIMP-nucleon scattering sensitivity above 1.4×10−48cm2 for a WIMP mass of 40GeV/c2 and a 1000days exposure. LZ achieves this sensitivity through a combination of a large 5.6t fiducial volume, active inner and outer veto systems, and radio-pure construction using materials with inherently low radioactivity content. The LZ collaboration performed an extensive radioassay campaign over a period of six years to inform material selection for construction and provide an input to the experimental background model against which any possible signal excess may be evaluated. The campaign and its results are described in this paper. We present assays of dust and radon daughters depositing on the surface of components as well as cleanliness controls necessary to maintain background expectations through detector construction and assembly. Finally, examples from the campaign to highlight fixed contaminant radioassays for the LZ photomultiplier tubes, quality control and quality assurance procedures through fabrication, radon emanation measurements of major sub-systems, and bespoke detector systems to assay scintillator are presented.
AU  - Akerib,DS
AU  - Akerlof,CW
AU  - Akimov,DY
AU  - Alquahtani,A
AU  - Alsum,SK
AU  - Anderson,TJ
AU  - Angelides,N
AU  - Araujo,HM
AU  - Arbuckle,A
AU  - Armstrong,JE
AU  - Arthurs,M
AU  - Auyeung,H
AU  - Aviles,S
AU  - Bai,X
AU  - Bailey,AJ
AU  - Balajthy,J
AU  - Balashov,S
AU  - Bang,J
AU  - Barry,MJ
AU  - Bauer,D
AU  - Bauer,P
AU  - Baxter,A
AU  - Belle,J
AU  - Beltrame,P
AU  - Bensinger,J
AU  - Benson,T
AU  - Bernard,EP
AU  - Bernstein,A
AU  - Bhatti,A
AU  - Biekert,A
AU  - Biesiadzinski,TP
AU  - Birch,HJ
AU  - Birrittella,B
AU  - Boast,KE
AU  - Bolozdynya,AI
AU  - Boulton,EM
AU  - Boxer,B
AU  - Bramante,R
AU  - Branson,S
AU  - Bras,P
AU  - Breidenbach,M
AU  - Brew,CAJ
AU  - Buckley,JH
AU  - Bugaev,VV
AU  - Bunker,R
AU  - Burdin,S
AU  - Busenitz,JK
AU  - Cabrita,R
AU  - Campbell,JS
AU  - Carels,C
AU  - Carlsmith,DL
AU  - Carlson,B
AU  - Carmona-Benitez,MC
AU  - Cascella,M
AU  - Chan,C
AU  - Cherwinka,JJ
AU  - Chiller,AA
AU  - Chiller,C
AU  - Chott,NI
AU  - Cole,A
AU  - Coleman,J
AU  - Colling,D
AU  - Conley,RA
AU  - Cottle,A
AU  - Coughlen,R
AU  - Cox,G
AU  - Craddock,WW
AU  - Curran,D
AU  - Currie,A
AU  - Cutter,JE
AU  - Da,Cunha JP
AU  - Dahl,CE
AU  - Dardin,S
AU  - Dasu,S
AU  - Davis,J
AU  - Davison,TJR
AU  - de,Viveiros L
AU  - Decheine,N
AU  - Dobi,A
AU  - Dobson,JEY
AU  - Druszkiewicz,E
AU  - Dushkin,A
AU  - Edberg,TK
AU  - Edwards,WR
AU  - Edwards,BN
AU  - Edwards,J
AU  - Elnimr,MM
AU  - Emmet,WT
AU  - Eriksen,SR
AU  - Faham,CH
AU  - Fan,A
AU  - Fayer,S
AU  - Fiorucci,S
AU  - Flaecher,H
AU  - Florang,IMF
AU  - Ford,P
AU  - Francis,VB
AU  - Fraser,ED
AU  - Froborg,F
AU  - Fruth,T
AU  - Gaitskell,RJ
AU  - Gantos,NJ
AU  - Garcia,D
AU  - Gehman,VM
AU  - Gelfand,R
AU  - Genovesi,J
AU  - Gerhard,RM
AU  - Ghag,C
AU  - Gibson,E
AU  - Gilchriese,MGD
AU  - Gokhale,S
AU  - Gomber,B
AU  - Gonda,TG
AU  - Greenall,A
AU  - Greenwood,S
AU  - Gregerson,G
AU  - van,der Grinten MGD
AU  - Gwilliam,CB
AU  - Hall,CR
AU  - Hamilton,D
AU  - Hans,S
AU  - Hanzel,K
AU  - Harrington,T
AU  - Harrison,A
AU  - Harrison,J
AU  - Hasselkus,C
AU  - Haselschwardt,SJ
AU  - Hemer,D
AU  - Hertel,SA
AU  - Heise,J
AU  - Hillbrand,S
AU  - Hitchcock,O
AU  - Hjemfelt,C
AU  - Hoff,MD
AU  - Holbrook,B
AU  - Holtom,E
AU  - Hor,JY-K
AU  - Horn,M
AU  - Huang,DQ
AU  - Hurteau,TW
AU  - Ignarra,CM
AU  - Irving,MN
AU  - Jacobsen,RG
AU  - Jahangir,O
AU  - Jeffery,SN
AU  - Ji,W
AU  - Johnson,M
AU  - Johnson,J
AU  - Johnson,P
AU  - Jones,WG
AU  - Kaboth,AC
AU  - Kamaha,A
AU  - Kamdin,K
AU  - Kasey,V
AU  - Kazkaz,K
AU  - Keefner,J
AU  - Khaitan,D
AU  - Khaleeq,M
AU  - Khazov,A
AU  - Khromov,AV
AU  - Khurana,I
AU  - Kim,YD
AU  - Kim,WT
AU  - Kocher,CD
AU  - Kodroff,D
AU  - Konovalov,AM
AU  - Korley,L
AU  - Korolkova,EV
AU  - Koyuncu,M
AU  - Kras,J
AU  - Kraus,H
AU  - Kravitz,SW
AU  - Krebs,HJ
AU  - Kreczko,L
AU  - Krikler,B
AU  - Kudryavtsev,VA
AU  - Kumpan,AV
AU  - Kyre,S
AU  - Lambert
DO  - epjc/s10052-020-8420-x
EP  - 52
PY  - 2020///
SN  - 1124-1861
SP  - 1
TI  - The LUX-ZEPLIN (LZ) radioactivity and cleanliness control programs
T2  - European Physical Journal C: Particles and Fields
UR  - http://dx.doi.org/10.1140/epjc/s10052-020-8420-x
UR  - http://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcApp=PARTNER_APP&SrcAuth=LinksAMR&KeyUT=WOS:000593717000005&DestLinkType=FullRecord&DestApp=ALL_WOS&UsrCustomerID=1ba7043ffcc86c417c072aa74d649202
UR  - https://link.springer.com/article/10.1140%2Fepjc%2Fs10052-020-8420-x#article-info
UR  - http://hdl.handle.net/10044/1/85718
VL  - 80
ER  -

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