A purity monitoring system for the H1 liquid argon calorimeter

A purity monitoring system for the H1 liquid argon calorimeter

The ionization probes used for monitoring the liquid argon purity in the H1 calorimeter are described and results of their operation in tests at CERN and during the period 1992 to the end of 1998 at HERA are given. The high sensitivity of the charge measurements leads to refined charge collection mo...

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Veröffentlicht in:Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment Accelerators, spectrometers, detectors and associated equipment, 2002-09, Vol.490 (1), p.204-222
Hauptverfasser: Barrelet, E., Andrieu, B., Babaev, A., Banas, E., Bederede, D., Biddulph, P., Borras, K., Brasse, F., Brisson, V., Burmeister, P., Buschhorn, G., Canton, B., Cornett, U., Cozzika, G., Cvach, J., Cyz, A., Darvill, D., David, M., Descamps, F., Drescher, A., Dretzler, U., Ernst, G., Falley, G., Felst, R., Feltesse, J., Ferencei, J., Flauger, W., Fleischer, M., Formánek, J., Gadow, K., Gayler, J., Gažo, E., Genat, J.-F., Godlewski, J., Grégory, Ch, Grewe, M., Grindhammer, G., Hajduk, L., Hensel, M., Herynek, I., Hladký, J., Imbault, D., İşsever, Ç., Karstensen, S., Kiesling, C., Kolander, M., Koll, J., Korbel, V., Krivan, F., Küster, H., Lemrani, R., Loch, P., Lottin, J.-P., Marks, J., Martin, F., Martyniak, J., Mikocki, S., Moreau, F., Naumann, J., Niebuhr, C., Nowak, G., Oberlack, H., Pailler, P., Rauschnabel, K., Reimer, P., Rossel, F., Schacht, P., Schaffran, J., Schmücker, H., Schwatchkin, V., Sirois, Y., Spalek, J., Spiekermann, J., Steiner, H., Straumann, U., Sueur, M., Thiele, K., Tobien, N., Tribanek, W., Valkár, S., Vallée, C., Villet, G., Wegener, D., Yiou, T.P., Žáček, J.
Format: Artikel
Sprache:eng
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High Energy Physics - Experiment
Liquid argon calorimeter
Monitor
Physics
Purity
Thermal effect
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Zusammenfassung:The ionization probes used for monitoring the liquid argon purity in the H1 calorimeter are described and results of their operation in tests at CERN and during the period 1992 to the end of 1998 at HERA are given. The high sensitivity of the charge measurements leads to refined charge collection models, and to the observation of a variation of the ionization yield of our electron sources with temperature.
ISSN:0168-9002
1872-9576
DOI:10.1016/S0168-9002(02)00973-7