Journal
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT
Volume 818, Issue -, Pages 57-67Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.nima.2016.02.017
Keywords
Trigger; Dark matter detectors; DSP; FPGA; DAQ; Baseline subtraction
Categories
Funding
- U.S. Department of Energy (DOE) [DE-FG02-08ER41549, DE-FG02-91ER40688, DE-FG02-95ER40917, DE-FG02-91ER40674, DE-NA0000979, DE-FG02-11ER41738, DE-SC0006605, DE-AC02-05CH11231, DE-AC52-07NA27344, DE-FG01-91ER40618]
- U.S. National Science Foundation [PHYS-0750671, PHY-0801536, PHY-1004661, PHY-1102470, PHY-1003660, PHY-1312561, PHY-1347449]
- Research Corporation grant [RA0350]
- South Dakota Governor's Office Economic Development
- Board of Regents for Center for Ultra-low Background Experiments in the Dakotas (CUBED)
- South Dakota School of Mines and Technology (SDSMT) [NSF: PHY-1242579, RES507395, DOE: DE-5C0014223]
- Fundac ao para a Ciencia e a Tecnologia (FCT) [CERN/FP/123610/2011]
- Imperial College and Brown University thank the UK Royal Society [IE120804]
- Science & Technology Facilities Council [ST/K502042/1]
- Science and Technology Facilities Council [ST/K003208/1, ST/M003205/1, 1225234, ST/K003208/1 DMUK, ST/K502042/1, ST/N000242/1, ST/K001604/1 DMUK, ST/M003744/1] Funding Source: researchfish
- STFC [ST/N000242/1, ST/K003208/1, ST/K006436/1, ST/K502042/1, ST/M003744/1, ST/M003205/1] Funding Source: UKRI
- Direct For Mathematical & Physical Scien
- Division Of Physics [1312561] Funding Source: National Science Foundation
- Fundação para a Ciência e a Tecnologia [CERN/FP/123610/2011] Funding Source: FCT
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LUX is a two-phase (liquid/gas) xenon time projection chamber designed to detect nuclear recoils resulting from interactions with dark matter particles. Signals from the detector are processed with an FPGA-based digital trigger system that analyzes the incoming data in real-time, with just a few microsecond latency. The system enables first pass selection of events of interest based on their pulse shape characteristics and 3D localization of the interactions. It has been shown to be > 99% efficient in triggering on S2 signals induced by only few extracted liquid electrons. It is continuously and reliably operating since its full underground deployment in early 2013. This document is an overview of the systems capabilities, its inner workings, and its performance. (C) 2016 Elsevier B.V. All rights reserved.
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