Author:
Agnes P.,De Cecco S.,Fan A.,Fiorillo G.,Franco D.,Galbiati C.,Giganti C.,Korga G.,Lebois M.,Mandarano A.,Martoff C.J.,Pagani L.,Pantic E.,Razeto A.,Renshaw A.L.,Riffard Q.,Schlitzer B.,Tonazzo A.,Wang H.,Wilson J.N.
Abstract
Abstract
The scintillation time response of liquid argon has a key
role in the discrimination of electronic backgrounds in dark matter
search experiments. However, its extraordinary rejection power can
be affected by various detector effects such as the delayed light
emission of TetraPhenyl Butadiene, the most commonly used wavelength
shifter, and the electric drift field applied in Time Projection
Chambers. In this work, we characterized the TetraPhenyl Butadiene
delayed response and the dependence of the pulse shape
discrimination on the electric field, exploiting the data acquired
with the ARIS, a small-scale single-phase liquid argon detector
exposed to monochromatic neutron and gamma sources at the ALTO
facility of IJC Lab in Orsay.
Subject
Mathematical Physics,Instrumentation
Cited by
2 articles.
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