FPGA-based trigger system for the LUX dark matter experiment

D. S. Akerib, H. M. Araújo, X. Bai, A. J. Bailey, J. Balajthy, P. Beltrame, E. P. Bernard, A. Bernstein, T. P. Biesiadzinski, E. M. Boulton, A. Bradley, R. Bramante, S. B. Cahn, M. C. Carmona-Benitez, C. Chan, J. J. Chapman, A. A. Chiller, C. Chiller, A. Currie, J. E. CutterT. J.R. Davison, L. De Viveiros, A. Dobi, J. E.Y. Dobson, E. Druszkiewicz, B. N. Edwards, C. H. Faham, S. Fiorucci, R. J. Gaitskell, V. M. Gehman, C. Ghag, K. R. Gibson, M. G.D. Gilchriese, C. R. Hall, M. Hanhardt, S. J. Haselschwardt, S. A. Hertel, D. P. Hogan, M. Horn, D. Q. Huang, C. M. Ignarra, M. Ihm, R. G. Jacobsen, W. Ji, K. Kazkaz, D. Khaitan, R. Knoche, N. A. Larsen, C. Lee, B. G. Lenardo, K. T. Lesko, A. Lindote, M. I. Lopes, D. C. Malling, A. G. Manalaysay, R. L. Mannino, M. F. Marzioni, D. N. McKinsey, D. M. Mei, J. Mock, M. Moongweluwan, J. A. Morad, A. St J. Murphy, C. Nehrkorn, H. N. Nelson, F. Neves, K. O'Sullivan, K. C. Oliver-Mallory, R. A. Ott, K. J. Palladino, M. Pangilinan, E. K. Pease, P. Phelps, L. Reichhart, C. Rhyne, S. Shaw, T. A. Shutt, C. Silva, W. Skulski, V. N. Solovov, P. Sorensen, S. Stephenson, T. J. Sumner, M. Szydagis, D. J. Taylor, W. Taylor, B. P. Tennyson, P. A. Terman, D. R. Tiedt, W. H. To, M. Tripathi, L. Tvrznikova, S. Uvarov, J. R. Verbus, R. C. Webb, J. T. White, T. J. Whitis, M. S. Witherell, F. L.H. Wolfs, J. Yin, S. K. Young, C. Zhang

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Abstract

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.

Original languageEnglish (US)
Pages (from-to)57-67
Number of pages11
JournalNuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
Volume818
DOIs
StatePublished - May 11 2016

All Science Journal Classification (ASJC) codes

  • Nuclear and High Energy Physics
  • Instrumentation

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    Akerib, D. S., Araújo, H. M., Bai, X., Bailey, A. J., Balajthy, J., Beltrame, P., Bernard, E. P., Bernstein, A., Biesiadzinski, T. P., Boulton, E. M., Bradley, A., Bramante, R., Cahn, S. B., Carmona-Benitez, M. C., Chan, C., Chapman, J. J., Chiller, A. A., Chiller, C., Currie, A., ... Zhang, C. (2016). FPGA-based trigger system for the LUX dark matter experiment. Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, 818, 57-67. https://doi.org/10.1016/j.nima.2016.02.017