Journal of Instrumentation

The distributed Slow Control System of the XENON100 experiment

E Aprile¹, M Alfonsi², K Arisaka³, F Arneodo⁴, C Balan⁵, L Baudis⁶, A Behrens⁶, P Beltrame³, K Bokeloh⁷, E Brown⁷, G M Bruno⁴, R Budnik¹, M Le Calloch⁸, J M Cardoso⁵, W -T Chen⁸, B Choi¹, H Contreras¹, J -P Cussonneau⁸, M P Decowski², E Duchovni⁹, S Fattori¹⁰, A D Ferella⁶, W Fulgione¹¹, F Gao¹², M Garbini¹³, K -L Giboni¹, L W Goetzke¹, C Grignon¹⁰, E Gross⁹, W Hampel¹⁴, D N McKinsey¹⁷, A Kish⁶, J Lamblin⁸, R F Lang¹⁵, C Levy⁷, K E Lim¹, Q Lin¹², S Lindemann¹⁴, M Lindner¹⁴, J A M Lopes⁵, K Lung³, A Manzur¹⁷, T Marrodán Undagoitia⁶, F V Massoli¹³, Y Mei¹⁶, A J Melgarejo Fernandez¹, Y Meng³, A Molinario¹¹, E Nativ⁹, K Ni¹², U Oberlack^10,16, S E A Orrigo⁵, E Pantic³, J V Patricio⁵, R Persiani¹³, G Plante¹, N Priel⁹, A C C Ribeiro⁵, A Rizzo¹, S Rosendahl⁷, J M F dos Santos⁵, G Sartorelli¹³, J Schreiner¹⁴, M Schumann⁶, L Scotto Lavina⁸, P R Scovell³, M Selvi¹³, P Shagin¹⁶, H Simgen¹⁴, A Teymourian³, D Thers⁸, O Vitells⁹, H Wang³, M Weber¹⁴ and C Weinheimer⁷

Published 7 December 2012 • Published under licence by IOP Publishing Ltd
Journal of Instrumentation, Volume 7, December 2012 Citation E Aprile et al 2012 JINST 7 T12001 DOI 10.1088/1748-0221/7/12/T12001

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Author affiliations

¹ Physics Department, Columbia University, New York, NY 10027, USA

² Nikhef and the University of Amsterdam, Science park, Amsterdam, Netherlands

³ Physics & Astronomy Department, University of California, Los Angeles, USA

⁴ INFN — Laboratori Nazionali del Gran Sasso, Assergi, 67100, Italy

⁵ Department of Physics, University of Coimbra, R. Larga, 3004-516, Coimbra, Portugal

⁶ Physics Institute, University of Zurich, Winterthurerstr. 190, CH-8057, Switzerland

⁷ Institut für Kernphysik, Wilhelms-Universität Münster, 48149 Münster, Germany

⁸ SUBATECH, Ecole des Mines de Nantes, CNRS/In2p3, Université de Nantes, 44307 Nantes, France

⁹ Department of Particle Physics and Astrophysics, Weizmann Institute of Science, 76100 Rehovot, Israel

¹⁰ Institut für Physik, Johannes Gutenberg Universität Mainz, 55099 Mainz, Germany

¹¹ University of Torino and INFN — Sezione di Torino, Torino, Italy

¹² Department of Physics, Shanghai Jiao Tong University, Shanghai, 200240, China

¹³ University of Bologna and INFN — Sezione di Bologna, Bologna, Italy

¹⁴ Max-Planck-Institut für Kernphysik, Saupfercheckweg 1, 69117 Heidelberg, Germany

¹⁵ Department of Physics, Purdue University, West Lafayette, IN 47907, USA

¹⁶ Department of Physics and Astronomy, Rice University, Houston, TX 77005 — 1892, USA

¹⁷ Department of Physics, Yale University, P.O. Box 208120, New Haven, CT 06520, USA

Dates

Received 2 October 2012
Accepted 9 November 2012
Published 7 December 2012

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Abstract

The XENON100 experiment, in operation at the Laboratori Nazionali del Gran Sasso (LNGS) in Italy, was designed to search for evidence of dark matter interactions inside a volume of liquid xenon using a dual-phase time projection chamber. This paper describes the Slow Control System (SCS) of the experiment with emphasis on the distributed architecture as well as on its modular and expandable nature. The system software was designed according to the rules of Object-Oriented Programming and coded in Java, thus promoting code reusability and maximum flexibility during commissioning of the experiment. The SCS has been continuously monitoring the XENON100 detector since mid 2008, remotely recording hundreds of parameters on a few dozen instruments in real time, and setting emergency alarms for the most important variables.

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