The EXO-200 detector, part II: auxiliary systems

The EXO-200 detector, part II: auxiliary systems

The EXO-200 experiment searched for neutrinoless double-beta decay of 136 Xe with a single-phase liquid xenon detector. It used an active mass of 110 kg of 80.6%-enriched liquid xenon in an ultra-low background time projection chamber with ionization and scintillation detection and readout. This pap...

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Veröffentlicht in:Journal of instrumentation 2022-02, Vol.17 (2), p.P02015
Hauptverfasser: Auty, D.J., Badhrees, I., Belov, V., Benitez-Medina, C., Bhatta, T., Breidenbach, M., Brunner, T., Cao, G.F., Cleveland, B., Cook, S., Craddock, W., Craycraft, A., Cree, W., Daughhetee, J., Davis, C.G., Davis, J., Delaquis, S., Der Mesrobian-Kabakian, A., deVoe, R., Didberidze, T., Dilling, J., Dobi, A., Dolgolenko, A.G., Dunford, M., Echevers, J., Espic, L., Fairbank, W., Feldmeier, W., Feyzbakhsh, S., Fouts, K., Freytag, D., Fudenberg, D., Giroux, G., Gornea, R., Graham, K., Gratta, G., Hagemann, C., Hall, C., Hall, K., Hansen, E.V., Hargrove, C., Herbst, R., Jamil, A., Jessiman, C., Jewell, M.J., Johnson, A., Johnson, T.N., Johnston, S., Karelin, A., Kaufman, L.J., Killick, R., Kravitz, S., Larson, A., Leonard, D.S., LePort, F., Li, G.S., Li, S., Licciardi, C., Lin, Y.H., Martin, J.-M., McElroy, T., Michel, T., Moore, D.C., Neilson, R., Nelson, R., O'Sullivan, K., Ostrovskiy, I., Ouellet, C., Prescott, C.Y., Pushkin, K., Rowson, P.C., Runge, J., Schmidt, S., Schubert, A., Sinclair, D., Skarpaas, K., Slutsky, S., Smith, E., Stekhanov, V., Strickland, V., Tarka, M., Todd, J., Tolba, T., Totev, T.I., Tsang, R., Waite, A., Walton, J., Walton, T., Weber, M., Wen, L.J., Wichoski, U., Wittgen, M., Wodin, J., Wood, J., Wrede, G., Wu, S.X., Xia, Q., Yang, L., Yen, Y.-R., Zeldovich, O.Ya
Format: Artikel
Sprache:eng
Schlagworte:
Beta decay
Chambers
Cryogenic detectors
Double-beta decay detectors
Liquid detectors
noble liquid detectors
NUCLEAR PHYSICS AND RADIATION PHYSICS
OTHER INSTRUMENTATION
Radiation counters
Sensors
Support systems
time projection chambers
Time projection Chambers (TPC)
Xenon
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Zusammenfassung:The EXO-200 experiment searched for neutrinoless double-beta decay of 136 Xe with a single-phase liquid xenon detector. It used an active mass of 110 kg of 80.6%-enriched liquid xenon in an ultra-low background time projection chamber with ionization and scintillation detection and readout. This paper describes the design and performance of the various support systems necessary for detector operation, including cryogenics, xenon handling, and controls. Novel features of the system were driven by the need to protect the thin-walled detector chamber containing the liquid xenon, to achieve high chemical purity of the Xe, and to maintain thermal uniformity across the detector.
ISSN:1748-0221
1748-0221
DOI:10.1088/1748-0221/17/02/P02015