EXO-200 Slides for AARM Talk
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EXO-200 Slides for AARM Talk Joshua Albert Indiana University For the EXO Collaboration
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EXO-200 Slides for AARM Talk. Joshua Albert Indiana University For the EXO Collaboration. EXO-200. First measurement of in 136 Xe! New background for DM. PRL 107 , 212501 (2011). Extensive material screening campaign: successful! - PowerPoint PPT Presentation
Transcript of EXO-200 Slides for AARM Talk
EXO-200 Slides for AARM Talk
Joshua AlbertIndiana University
For the EXO Collaboration
EXO-200First measurement of in 136Xe! New
background for DM.
PRL 107, 212501 (2011)Extensive material
screening campaign: successful!
Background goals met: 40 cts/2 yrs / 2σ ROI / 140 kg
Low radon contamination in Xe
4.5 μBq kg-1
~1 per hour T1/2 = 3.8 d
NIM A591, 490-509 (2008)PRL 109, 032505 (2012)
EXO-200Alpha decay
backgrounds rejected
Single Cluster
alphascut region
Low Background 2D Spectrum
New technique for measuring xenon contamination using a cold trap + mass spectrometry
All developments applicable to nEXO
NIM A675, 40-46 (2012)
Sensitive Krypton in Xenon measurement: 25±3 ppt
NIM A665, 1-6, (2011)
PRL 109, 032505 (2012)
