DarkSide Document 343-v1

Tatarowicz April APS talk

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External Talk
Submitted by:
John Tatarowicz
Updated by:
John Tatarowicz
Document Created:
29 Mar 2012, 10:19
Contents Revised:
29 Mar 2012, 10:19
Metadata Revised:
29 Mar 2012, 10:19
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The DarkSide-10 dark matter detector is a dual-phase argon time projec-
tion chamber (TPC). Its dual-phase design allows for particle discrimination
based on parameters from both the liquid and gas phases. The primary dis-
crimination parameter is the prompt scintillation fraction observed in the
liquid phase, de ned as the fraction of light collected in the rst 90 ns of the
primary scintillation signal. In the current detector run, we have looked at
signals from various gamma sources with various applied electric elds in or-
der to better characterize the detector response. In this talk the e ect of the
applied electric eld on the prompt scintillation fraction will be presented
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