CALIS - a CALibration Insertion System for the DarkSide-50 dark matter search experiment
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, F. Budano, S. Bussino, M., Cadeddu, L. Cadonati, M. Cadoni, F. Calaprice, N. Canci
TL;DR
The paper introduces CALIS, a system for inserting calibration sources into the DarkSide-50 dark matter detector to improve response characterization and detection efficiency measurement.
Contribution
It presents the design, implementation, and successful deployment of CALIS for calibration in the DarkSide-50 experiment, enabling precise detector response analysis.
Findings
CALIS effectively deployed radioactive sources for calibration.
Calibration campaigns improved understanding of detector response.
System has been operational since 2014 with successful use.
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.
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Taxonomy
TopicsDark Matter and Cosmic Phenomena · Nuclear Physics and Applications · Radiation Detection and Scintillator Technologies