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IOP Publishing, Journal of Instrumentation, 12(12), p. T12004-T12004, 2017

DOI: 10.1088/1748-0221/12/12/t12004

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CALIS - a CALibration Insertion System for the DarkSide-50 dark matter search experiment

Journal article published in 2016 by P. Agnes, I. F. M. Albuquerque, T. Alexander, A. K. Alton, D. M. Asner, H. O. Back, B. Baldin, K. Biery, V. Bocci, G. Bonfini, W. Bonivento, M. Bossa, B. Bottino, A. Brigatti, J. Brodsky and other authors.
This paper is made freely available by the publisher.
This paper is made freely available by the publisher.

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Abstract

This paper describes the design, fabrication, commissioning and use of a CALibration source Insertion System (CALIS) in the DarkSide-50 direct dark matter search experiment. CALIS deploys radioactive sources into the liquid scintillator veto to characterize the detector response and detection efficiency of the DarkSide-50 Liquid Argon Time Projection Chamber, and the surrounding 30 t organic liquid scintillator neutron veto. It was commissioned in September 2014 and has been used successfully in several gamma and neutron source campaigns since then. A description of the hardware and an excerpt of calibration analysis results are given below.