The XENON 100 Detector for Dark Matter Searches

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Electron Recoil Background from 222 Rn decay in the Shield Cavity The measured activity of radon in the tunnel is up to 140 Bq/m 3 With the closed shield door and constant flushing with nitrogen (6 SLPM) the concentration of Rn in the shield cavity is 1-5 Bq/m 3 , which is predicted to contribute up to 10 mDRU in the low energy part of the spectra (1-60 keVee) Alexander Kish | XENON-100 | 5th Patras Workshop on Axions, WIMPs and WISPs | University of Durham | July 13, 2009 | Slide 18
Xenon Purification with the Distillation Column Kr contamination of Xe is measured with the delayed coincidence analysis to be 4 ppb (BG rate >0.1DRU) XENON-100 goal requires
Page 1 and 2: The XENON 100 Detector for Dark Mat
Page 3 and 4: Dark Matter Searches Alexander Kish
Page 5 and 6: Location of the XENON-100 experimen
Page 7 and 8: XENON-100 Design Shield: - lead, 33
Page 9 and 10: Light Detection in XENON-100 Detect
Page 11 and 12: Light Collection Efficiency Average
Page 13 and 14: Xenon Liquefaction, Cooling Tower X
Page 15 and 16: Electron lifetime evolution XENON-1
Page 17: MonteCarlo Predictions of the Backg
Page 21 and 22: S1 signal Calibration with 137 Cs s
Page 23 and 24: The Next Step: XENON100+ 100 kg tar

The XENON 100 Detector for Dark Matter Searches

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