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Title: LUXSim: A component-centric approach to low-background simulations

Journal Article · · Nuclear Instruments and Methods in Physics Research. Section A, Accelerators, Spectrometers, Detectors and Associated Equipment
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  1. Case Western Reserve Univ., Cleveland, OH (United States). Dept. of Physics
  2. South Dakota School of Mines and Technology, Rapid City, SD (United States)
  3. Yale Univ., New Haven, CT (United States). Dept. of Physics
  4. Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
  5. Brown Univ., Providence, RI (United States). Dept. of Physics
  6. Univ. of California, Davis, CA (United States). Dept. of Physics
  7. Univ. of Maryland, College Park, MD (United States). Dept. of Physics
  8. Univ. of Rochester, NY (United States). Dept. of Physics and Astronomy
  9. Univ. of California, Berkeley, CA (United States). Dept. of Physics
  10. Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States)
  11. Texas A & M Univ., College Station, TX (United States). Dept. of Physics
  12. Univ. of South Dakota, Vermillion, SD (United States). Dept. of Physics
  13. Harvard Univ., Cambridge, MA (United States). Dept. of Physics
  14. Univ. of California, Santa Barbara, CA (United States). Dept. of Physics

Geant4 has been used throughout the nuclear and high-energy physics community to simulate energy depositions in various detectors and materials. These simulations have mostly been run with a source beam outside the detector. In the case of low-background physics, however, a primary concern is the effect on the detector from radioactivity inherent in the detector parts themselves. From this standpoint, there is no single source or beam, but rather a collection of sources with potentially complicated spatial extent. LUXSim is a simulation framework used by the LUX collaboration that takes a component-centric approach to event generation and recording. A new set of classes allows for multiple radioactive sources to be set within any number of components at run time, with the entire collection of sources handled within a single simulation run. Various levels of information can also be recorded from the individual components, with these record levels also being set at runtime. This flexibility in both source generation and information recording is possible without the need to recompile, reducing the complexity of code management and the proliferation of versions. Within the code itself, casting geometry objects within this new set of classes rather than as the default Geant4 classes automatically extends this flexibility to every individual component. No additional work is required on the part of the developer, reducing development time and increasing confidence in the results. Here, we describe the guiding principles behind LUXSim, detail some of its unique classes and methods, and give examples of usage.

Research Organization:
Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
Sponsoring Organization:
USDOE National Nuclear Security Administration (NNSA). Nuclear Science and Security Consortium (NSSC); USDOE Laboratory Directed Research and Development (LDRD) Program; National Science Foundation (NSF); Research Corporation for Science Advancement (RCSA), Tucson, AZ (United States); Sanford Underground Research Facility (SURF), Lead, SD (United States)
Grant/Contract Number:
NA0000979; FG02-08ER41549; FG02-91ER40688; FG02-95ER40917; FG02-91ER40674; FG02-11ER41738; FG02-11ER41751; PHYS-0750671; PHY-0801536; PHY-1004661; PHY-1102470; PHY-1003660; RA0350; AC52-07NA27344
OSTI ID:
1454560
Report Number(s):
LLNL-JRNL-487572; PII: S0168900212001532; TRN: US1901064
Journal Information:
Nuclear Instruments and Methods in Physics Research. Section A, Accelerators, Spectrometers, Detectors and Associated Equipment, Vol. 675, Issue C; ISSN 0168-9002
Publisher:
ElsevierCopyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 30 works
Citation information provided by
Web of Science

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