The NEWS-G detector at SNOLAB

The NEWS-G detector at SNOLAB
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DOI：
10.1088/1748-0221/18/02/t02005
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发表时间：
2022-05
期刊：
Journal of Instrumentation
影响因子：
1.3
通讯作者：
L. Balogh;C. Beaufort;A. Brossard;J.-F. Caron;M. Chapellier;J.-M. Coquillat;E. Corcoran;S. Crawford;A. Dastgheibi-Fard;Y. Deng;K. Dering;D. Durnford;C. Garrah;G. Gerbier;I. Giomataris;G. Giroux;P. Gorel;M. Gros;P. Gros;O. Guillaudin;W. E.;I. Hoppe;F. Katsioulas;P. Kelly;S. Knights;P. Langrock;I. Lautridou;Manthos R.D;J. Martin;M. J.P.;M. J.-F;T. Muraz;K. Neep;P. Nikolopoulos;O’Brien M.-C;N. Piro;D. Rowe;P. Santos;G. Samuleev;I. Savvidis;Savvidis;F. Vazquez;Sola Fernandez;M. Vidal;R. Ward;M. Zampaolo
L. Balogh;C. Beaufort;A. Brossard;J.-F. Caron;M. Chapellier;J.-M. Coquillat;E. Corcoran;S. Crawford;A. Dastgheibi-Fard;Y. Deng;K. Dering;D. Durnford;C. Garrah;G. Gerbier;I. Giomataris;G. Giroux;P. Gorel;M. Gros;P. Gros;O. Guillaudin;W. E.;I. Hoppe;F. Katsioulas;P. Kelly;S. Knights;P. Langrock;I. Lautridou;Manthos R.D;J. Martin;M. J.P.;M. J.-F;T. Muraz;K. Neep;P. Nikolopoulos;O’Brien M.-C;N. Piro;D. Rowe;P. Santos;G. Samuleev;I. Savvidis;Savvidis;F. Vazquez;Sola Fernandez;M. Vidal;R. Ward;M. Zampaolo
中科院分区：
工程技术4区
文献类型：
--
作者：
L. Balogh;C. Beaufort;A. Brossard;J.-F. Caron;M. Chapellier;J.-M. Coquillat;E. Corcoran;S. Crawford;A. Dastgheibi-Fard;Y. Deng;K. Dering;D. Durnford;C. Garrah;G. Gerbier;I. Giomataris;G. Giroux;P. Gorel;M. Gros;P. Gros;O. Guillaudin;W. E.;I. Hoppe;F. Katsioulas;P. Kelly;S. Knights;P. Langrock;I. Lautridou;Manthos R.D;J. Martin;M. J.P.;M. J.-F;T. Muraz;K. Neep;P. Nikolopoulos;O’Brien M.-C;N. Piro;D. Rowe;P. Santos;G. Samuleev;I. Savvidis;Savvidis;F. Vazquez;Sola Fernandez;M. Vidal;R. Ward;M. Zampaolo

文献摘要

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球体-气体新实验（NEWS-G）合作计划利用球形比例计数器（spc）实现亚gev /c2弱相互作用大质量粒子（wimp）的探测。SPCs是依靠电离的气体探测器，具有单一的电离电子能量阈值。用于直接暗物质搜索的最新一代SPC已于2021年在加拿大的SNOLAB安装。本文详细介绍了制作NEWS-G实验的不同过程。本文还概述了减缓战略、不同成分的放射性测量以及用于量化和处理探测器背景的诱发本底事件率的估计。
The New Experiments With Spheres-Gas (NEWS-G) collaboration intends to achieve sub-GeV/c2 Weakly Interacting Massive Particles (WIMPs) detection using Spherical Proportional Counters (SPCs). SPCs are gaseous detectors relying on ionisation with a single ionization electron energy threshold. The latest generation of SPC for direct dark matter searches has been installed at SNOLAB in Canada in 2021. This article details the different processes involved in the fabrication of the NEWS-G experiment. Also outlined in this paper are the mitigation strategies, measurements of radioactivity of the different components, and estimations of induced background event rates that were used to quantify and address detector backgrounds.