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MonteCarlo simulations with GEANT4 for the XENON100 Detector

MonteCarlo simulations with GEANT4 for the XENON100 Detector

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Predicted Electron Recoil Background from <strong>Detector</strong> Materials<br />

Predicted rate [dru]<br />

10<br />

1<br />

!1<br />

10<br />

all events, entire target volume (65kg)<br />

single scatters, target volume (65kg)<br />

single scatters, 50kg fiducial volume<br />

single scatters, 30kg fiducial volume<br />

all events in <strong>the</strong> entire target volume (65 kg)<br />

single scatter events in <strong>the</strong> target volume<br />

single scatters in <strong>the</strong> 50 kg fiducial volume<br />

single scatters in <strong>the</strong> 30 kg fiducial volume<br />

!2<br />

10<br />

Rate in differential rate units:<br />

dru = events / (kg·day·keV)<br />

!3<br />

10<br />

10<br />

!4<br />

0 500 1000 1500 2000 2500<br />

Energy [keVee]<br />

Grids,<br />

Cables,<br />

Support bars,<br />

Resistor chain,<br />

Polyethylene shield<br />

Alexander Kish | <strong>XENON100</strong> | 14th Geant4 Users Workshop | Catania, Sicily | October 15, 2009 | p.15

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