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The data acquisition system of the LZ dark matter detector: FADR

Journal Article · · Nucl.Instrum.Meth.A
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  1. SLAC; Stanford U., Phys. Dept.; KIPAC, Menlo Park
  2. Oxford U.
  3. University Coll. London
  4. Michigan U.
  5. Imperial Coll., London
  6. Maryland U.
  7. Rutherford
  8. Brown U. (main)
  9. Michigan U.; Zurich U.
  10. UC, Santa Barbara
  11. LBNL, Berkeley
  12. Wisconsin U., Madison
  13. UC, Berkeley; LBNL, Berkeley
  14. Edinburgh U.
  15. SUNY, Albany
  16. UC, Davis
  17. LIP, Coimbra
  18. Washington U., St. Louis
  19. Liverpool U.
  20. Penn State U.
  21. Royal Holloway, U. of London
  22. South Dakota Sch. Mines Tech.
  23. Rochester U.
  24. Oxford U.; University Coll. London
  25. Unlisted, US
  26. Northwestern U.; Fermilab
  27. King's Coll. London
  28. Bristol U.
  29. University Coll. London; Sydney U.
  30. RIKEN BNL
  31. Massachusetts U., Amherst
  32. Alabama U.
  33. UCLA
  34. IBS, Daejeon, CUP
  35. Sheffield U.
  36. LBNL, Berkeley; Texas U.; Texas U., TCC
  37. SLAC; Stanford U., Phys. Dept.
  38. LLNL, Livermore
  39. Northwestern U.
  40. LLNL, Livermore; Maryland U.
  41. SLAC; Stanford U., Phys. Dept.; KIPAC, Menlo Park; Vatican Astron. Observ.
  42. Black Hills State U.
  43. Rochester U.; New York U.
  44. Imperial Coll., London; University Coll. London
  45. SLAC; Stanford U., Phys. Dept.; Fermilab
  46. LBNL, Berkeley; South Dakota Sch. Mines Tech.
  47. New York U.
  48. Texas A-M; HARC, Woodlands
  49. Brown U. (main); RIKEN BNL
+ Show Author Affiliations

The Data Acquisition System (DAQ) for the LUX-ZEPLIN (LZ) dark matter detector is described. The signals from 745 PMTs, distributed across three subsystems, are sampled with 100-MHz 32-channel digitizers (DDC-32s). A basic waveform analysis is carried out on the on-board Field Programmable Gate Arrays (FPGAs) to extract information about the observed scintillation and electroluminescence signals. This information is used to determine if the digitized waveforms should be preserved for offline analysis. The system is designed around the Kintex-7 FPGA. In addition to digitizing the PMT signals and providing basic event selection in real time, the flexibility provided by the use of FPGAs allows us to monitor the performance of the detector and the DAQ in parallel to normal data acquisition. The hardware and software/firmware of this FPGA-based Architecture for Data acquisition and Realtime monitoring (FADR) are discussed and performance measurements are described.

Research Organization:
Liverpool U.; IBS, Daejeon, CUP; Vatican Astron. Observ.; Washington U., St. Louis; Northwestern U.; Texas U., TCC; Stanford U., Phys. Dept.; Zurich U.; UC, Santa Barbara; Bristol U.; Texas U.; UC, Davis; South Dakota Sch. Mines Tech.; Rochester U.; Maryland U.; Edinburgh U.; UC, Berkeley; Penn State U.; Sydney U.; Michigan U.; Sheffield U.; King's Coll. London; Wisconsin U., Madison; Oxford U.; University Coll. London; SUNY, Albany; HARC, Woodlands; Fermi National Accelerator Laboratory (FNAL), Batavia, IL (United States); Massachusetts U., Amherst; Imperial Coll., London; LBNL, Berkeley; Texas A-M; Rutherford; Royal Holloway, U. of London; UCLA; New York U.; Unlisted, US; Brown U. (main); Lawrence Livermore National Laboratory (LLNL), Livermore, CA (United States); SLAC National Accelerator Laboratory (SLAC), Menlo Park, CA (United States); Black Hills State U.; Alabama U.; RIKEN BNL; LIP, Coimbra
Sponsoring Organization:
US Department of Energy
Grant/Contract Number:
AC02-07CH11359; 89243024CSC000002
OSTI ID:
2467536
Alternate ID(s):
OSTI ID: 2478251
OSTI ID: 2555948
Report Number(s):
FERMILAB-PUB-24-0631-PPD; oai:inspirehep.net:2789580; arXiv:2405.14732
Journal Information:
Nucl.Instrum.Meth.A, Journal Name: Nucl.Instrum.Meth.A Vol. 1068
Country of Publication:
United States
Language:
English

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46 INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
Dark matter
Data acquisition
FPGA
Firmware