A high precision model of the XENON100 detector has been created within the GEANT4 toolkit.
GEANT4 has been used to simulate the transport of the optical photons produced in the detector medium by particle interactions. This is done in order to estimate light collection efficiency in the different detector regions, to model its response, and to develop an algorithm for the 3 dimensional event vertex reconstruction.
In addition, electron and nuclear recoil backgrounds from various sources are predicted, based on the results of the MonteCarlo simulations with the GEANT4, SOURCES, and MUSUN toolkits.
Dark Matter, Background Radiation, Scintillation Light, MonteCarlo, Xenon
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