MonteCarlo simulations with GEANT4 for the XENON100 Detector

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Materials Screening All materials used in the experiment are screened for the radioactive contamination with a 2.2 kg high purity Ge detector (“Gator” @ LNGS) The screening results are used for material selection and as an input for the MonteCarlo simulations Alexander Kish | XENON100 | 14th Geant4 Users Workshop | Catania, Sicily | October 15, 2009 | p.14
Predicted Electron Recoil Background from Detector Materials Predicted rate [dru] 10 1 !1 10 all events, entire target volume (65kg) single scatters, target volume (65kg) single scatters, 50kg fiducial volume single scatters, 30kg fiducial volume all events in the entire target volume (65 kg) single scatter events in the target volume single scatters in the 50 kg fiducial volume single scatters in the 30 kg fiducial volume !2 10 Rate in differential rate units: dru = events / (kg·day·keV) !3 10 10 !4 0 500 1000 1500 2000 2500 Energy [keVee] Grids, Cables, Support bars, Resistor chain, Polyethylene shield Alexander Kish | XENON100 | 14th Geant4 Users Workshop | Catania, Sicily | October 15, 2009 | p.15
Page 1 and 2: MonteCarlo simulations with GEANT4
Page 3 and 4: XENON-100 collaboration 45 research
Page 5 and 6: Target Volume ~100 kg Muon Veto QUP
Page 7 and 8: The Principle of the XENON experime
Page 9 and 10: Simulation of the Optical Response
Page 11 and 12: Prediction of the Detected Light Yi
Page 13: Backgrounds Prediction SOURCES OF E
Page 17 and 18: Intrinsic Contamination: Delayed Co
Page 19 and 20: Gamma Background from 222 Rn in the
Page 21 and 22: Neutrons from (α,n) reactions and
Page 23 and 24: Muon-Induced Neutron Background Con
Page 25: Thank you. Special thanks to: Dr. E

MonteCarlo simulations with GEANT4 for the XENON100 Detector

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