Bulletin of the American Physical Society
APS April Meeting 2019
Volume 64, Number 3
Saturday–Tuesday, April 13–16, 2019; Denver, Colorado
Session R10: WIMP Dark Matter IV
1:30 PM–3:18 PM,
Monday, April 15, 2019
Sheraton Room: Governor's Square 12
Sponsoring Unit: DPF
Chair: Reina Maruyama, Yale University
Abstract: R10.00005 : The XENONnT Liquid Purification System and Its Test System*
2:18 PM–2:30 PM
The XENONnT experiment, currently under construction at the Laboratori Nazionali del Gran Sasso in Italy, aims at detecting dark matter weakly interacting massive particles using a dual-phase (liquid/gas) xenon time projection chamber with 1.5m drift length which is filled with about 8400kg of liquid xenon. The liquid purification system of the experiment allows the removal of electronegative impurities from liquid xenon at a much higher speed. A liquid purification test system has been built and operated at the Columbia University Astrophysics Lab. In this talk we will describe the XENONnT liquid purification system and present results from its test system.
*We gratefully acknowledge continued support for the XENON Dark Matter program from the National Science Foundation.
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