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Title: FLUKA: Predictive power for cosmogenic backgrounds

The next generation of experiments searching for rare physics events with increased sensitivity will require precise predictions of cosmogenic backgrounds. Recent high quality deep underground measurements for cosmogenic neutrons in large liquid scintillator targets were used to study the FLUKA simulation package for this purpose. The results and conclusions drawn from a detailed benchmark comparison with data from the Borexino experiment were reported recently. In general, good agreement between data and simulation results were found with some identified discrepancies. Improved physics models already implemented in the current version of the FLUKA code, which will be publicly available with the upcoming code release, address the more important identified issues. A careful evaluation of the improved predictions is ongoing. However, the agreement between preliminary FLUKA simulation results and the Borexino experimental data are excellent. The preliminary findings will be discussed.
Authors:
;  [1] ;  [2] ;  [2] ;  [3]
  1. Department of Physics, University of Houston, Houston, TX 77204 (United States)
  2. CERN, CH-1211 Geneva (Switzerland)
  3. (Russian Federation)
Publication Date:
OSTI Identifier:
22488716
Resource Type:
Journal Article
Resource Relation:
Journal Name: AIP Conference Proceedings; Journal Volume: 1672; Journal Issue: 1; Conference: LRT 2015: 5. international workshop in low radioactivity techniques, Seattle, WA (United States), 18-20 Mar 2015; Other Information: (c) 2015 AIP Publishing LLC; Country of input: International Atomic Energy Agency (IAEA)
Country of Publication:
United States
Language:
English
Subject:
46 INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY; 72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS; BENCHMARKS; COMPARATIVE EVALUATIONS; COMPUTERIZED SIMULATION; COSMIC NEUTRONS; COSMIC RAY DETECTION; F CODES; LIQUID SCINTILLATION DETECTORS; NEUTRONS; SENSITIVITY; UNDERGROUND