The LUX-ZEPLIN (LZ) radioactivity and cleanliness control programs

Author:

Akerib D. S.,Akerlof C. W.,Akimov D. Yu.,Alquahtani A.,Alsum S. K.,Anderson T. J.,Angelides N.,Araújo H. M.,Arbuckle A.,Armstrong J. E.,Arthurs M.,Auyeung H.,Aviles S.,Bai X.,Bailey A. J.,Balajthy J.,Balashov S.,Bang J.,Barry M. J.,Bauer D.,Bauer P.,Baxter A.,Belle J.,Beltrame P.,Bensinger J.,Benson T.,Bernard E. P.,Bernstein A.,Bhatti A.,Biekert A.,Biesiadzinski T. P.,Birch H. J.,Birrittella B.,Boast K. E.,Bolozdynya A. I.,Boulton E. M.,Boxer B.,Bramante R.,Branson S.,Brás P.,Breidenbach M.,Brew C. A. J.,Buckley J. H.,Bugaev V. V.,Bunker R.,Burdin S.,Busenitz J. K.,Cabrita R.,Campbell J. S.,Carels C.,Carlsmith D. L.,Carlson B.,Carmona-Benitez M. C.,Cascella M.,Chan C.,Cherwinka J. J.,Chiller A. A.,Chiller C.,Chott N. I.,Cole A.,Coleman J.,Colling D.,Conley R. A.,Cottle A.,Coughlen R.,Cox G.,Craddock W. W.,Curran D.,Currie A.,Cutter J. E.,da Cunha J. P.,Dahl C. E.,Dardin S.,Dasu S.,Davis J.,Davison T. J. R.,de Viveiros L.,Decheine N.,Dobi A.,Dobson J. E. Y.,Druszkiewicz E.,Dushkin A.,Edberg T. K.,Edwards W. R.,Edwards B. N.,Edwards J.,Elnimr M. M.,Emmet W. T.,Eriksen S. R.,Faham C. H.,Fan A.,Fayer S.,Fiorucci S.,Flaecher H.,Florang I. M. Fogarty,Ford P.,Francis V. B.,Fraser E. D.,Froborg F.,Fruth T.,Gaitskell R. J.,Gantos N. J.,Garcia D.,Gehman V. M.,Gelfand R.,Genovesi J.,Gerhard R. M.,Ghag C.,Gibson E.,Gilchriese M. G. D.,Gokhale S.,Gomber B.,Gonda T. G.,Greenall A.,Greenwood S.,Gregerson G.,van der Grinten M. G. D.,Gwilliam C. B.,Hall C. R.,Hamilton D.,Hans S.,Hanzel K.,Harrington T.,Harrison A.,Harrison J.,Hasselkus C.,Haselschwardt S. J.,Hemer D.,Hertel S. A.,Heise J.,Hillbrand S.,Hitchcock O.,Hjemfelt C.,Hoff M. D.,Holbrook B.,Holtom E.,Hor J. Y-K.,Horn M.,Huang D. Q.,Hurteau T. W.,Ignarra C. M.,Irving M. N.,Jacobsen R. G.,Jahangir O.,Jeffery S. N.,Ji W.,Johnson M.,Johnson J.,Johnson P.,Jones W. G.,Kaboth A. C.,Kamaha A.,Kamdin K.,Kasey V.,Kazkaz K.,Keefner J.,Khaitan D.,Khaleeq M.,Khazov A.,Khromov A. V.,Khurana I.,Kim Y. D.,Kim W. T.,Kocher C. D.,Kodroff D.,Konovalov A. M.,Korley L.,Korolkova E. V.,Koyuncu M.,Kras J.,Kraus H.,Kravitz S. W.,Krebs H. J.,Kreczko L.,Krikler B.,Kudryavtsev V. A.,Kumpan A. V.,Kyre S.,Lambert A. R.,Landerud B.,Larsen N. A.,Laundrie A.,Leason E. A.,Lee H. S.,Lee J.,Lee C.,Lenardo B. G.,Leonard D. S.,Leonard R.,Lesko K. T.,Levy C.,Li J.,Liu Y.,Liao J.,Liao F.-T.,Lin J.,Lindote A.,Linehan R.,Lippincott W. H.,Liu R.,Liu X.,Loniewski C.,Lopes M. I.,Lopez-Asamar E.,Paredes B. López,Lorenzon W.,Lucero D.,Luitz S.,Lyle J. M.,Lynch C.,Majewski P. A.,Makkinje J.,Malling D. C.,Manalaysay A.,Manenti L.,Mannino R. L.,Marangou N.,Markley D. J.,MarrLaundrie P.,Martin T. J.,Marzioni M. F.,Maupin C.,McConnell C. T.,McKinsey D. N.,McLaughlin J.,Mei D.-M.,Meng Y.,Miller E. H.,Minaker Z. J.,Mizrachi E.,Mock J.,Molash D.,Monte A.,Monzani M. E.,Morad J. A.,Morrison E.,Mount B. J.,Murphy A. St. J.,Naim D.,Naylor A.,Nedlik C.,Nehrkorn C.,Nelson H. N.,Nesbit J.,Neves F.,Nikkel J. A.,Nikoleyczik J. A.,Nilima A.,O’Dell J.,Oh H.,O’Neill F. G.,O’Sullivan K.,Olcina I.,Olevitch M. A.,Oliver-Mallory K. C.,Oxborough L.,Pagac A.,Pagenkopf D.,Pal S.,Palladino K. J.,Palmaccio V. M.,Palmer J.,Pangilinan M.,Parveen N.,Patton S. J.,Pease E. K.,Penning B. P.,Pereira G.,Pereira C.,Peterson I. B.,Piepke A.,Pierson S.,Powell S.,Preece R. M.,Pushkin K.,Qie Y.,Racine M.,Ratcliff B. N.,Reichenbacher J.,Reichhart L.,Rhyne C. A.,Richards A.,Riffard Q.,Rischbieter G. R. C.,Rodrigues J. P.,Rose H. J.,Rosero R.,Rossiter P.,Rucinski R.,Rutherford G.,Saba J. S.,Sabarots L.,Santone D.,Sarychev M.,Sazzad A. B. M. R.,Schnee R. W.,Schubnell M.,Scovell P. R.,Severson M.,Seymour D.,Shaw S.,Shutt G. W.,Shutt T. A.,Silk J. J.,Silva C.,Skarpaas K.,Skulski W.,Smith A. R.,Smith R. J.,Smith R. E.,So J.,Solmaz M.,Solovov V. N.,Sorensen P.,Sosnovtsev V. V.,Stancu I.,Stark M. R.,Stephenson S.,Stern N.,Stevens A.,Stiegler T. M.,Stifter K.,Studley R.,Sumner T. J.,Sundarnath K.,Sutcliffe P.,Swanson N.,Szydagis M.,Tan M.,Taylor W. C.,Taylor R.,Taylor D. J.,Temples D.,Tennyson B. P.,Terman P. A.,Thomas K. J.,Thomson J. A.,Tiedt D. R.,Timalsina M.,To W. H.,Tomás A.,Tope T. E.,Tripathi M.,Tronstad D. R.,Tull C. E.,Turner W.,Tvrznikova L.,Utes M.,Utku U.,Uvarov S.,Va’vra J.,Vacheret A.,Vaitkus A.,Verbus J. R.,Vietanen T.,Voirin E.,Vuosalo C. O.,Walcott S.,Waldron W. L.,Walker K.,Wang J. J.,Wang R.,Wang L.,Wang W.,Wang Y.,Watson J. R.,Migneault J.,Weatherly S.,Webb R. C.,Wei W.-Z.,While M.,White R. G.,White J. T.,White D. T.,Whitis T. J.,Wisniewski W. J.,Wilson K.,Witherell M. S.,Wolfs F. L. H.,Wolfs J. D.,Woodward D.,Worm S. D.,Xiang X.,Xiao Q.,Xu J.,Yeh M.,Yin J.,Young I.,Zhang C.,Zarzhitsky P.

Abstract

AbstractLUX-ZEPLIN (LZ) is a second-generation direct dark matter experiment with spin-independent WIMP-nucleon scattering sensitivity above $${1.4 \times 10^{-48}}\, {\hbox {cm}}^{2}$$ 1.4 × 10 - 48 cm 2 for a WIMP mass of $${40}\, \hbox {GeV}/{\hbox {c}}^{2}$$ 40 GeV / c 2 and a $${1000}\, \hbox {days}$$ 1000 days exposure. LZ achieves this sensitivity through a combination of a large $${5.6}\, \hbox {t}$$ 5.6 t 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.

Publisher

Springer Science and Business Media LLC

Subject

Physics and Astronomy (miscellaneous),Engineering (miscellaneous)

Cited by 49 articles. 订阅此论文施引文献 订阅此论文施引文献,注册后可以免费订阅5篇论文的施引文献,订阅后可以查看论文全部施引文献

同舟云学术

1.学者识别学者识别

2.学术分析学术分析

3.人才评估人才评估

"同舟云学术"是以全球学者为主线,采集、加工和组织学术论文而形成的新型学术文献查询和分析系统,可以对全球学者进行文献检索和人才价值评估。用户可以通过关注某些学科领域的顶尖人物而持续追踪该领域的学科进展和研究前沿。经过近期的数据扩容,当前同舟云学术共收录了国内外主流学术期刊6万余种,收集的期刊论文及会议论文总量共计约1.5亿篇,并以每天添加12000余篇中外论文的速度递增。我们也可以为用户提供个性化、定制化的学者数据。欢迎来电咨询!咨询电话:010-8811{复制后删除}0370

www.globalauthorid.com

TOP

Copyright © 2019-2024 北京同舟云网络信息技术有限公司
京公网安备11010802033243号  京ICP备18003416号-3