Author:
Baur Daniel,Bismark Alexander,Brown Adam,Dierle Julia,Fischer Horst,Glade-Beucke Robin,Grigat Jaron,Kaminsky Basho,Kuger Fabian,Lindemann Sebastian,Masson Darryl,Meinhardt Patrick,Rajado Silva Mariana,Schumann Marc,Tönnies Florian,Toschi Francesco
Abstract
Abstract
XeBRA is a flexible cryogenic platform designed to perform
research and development for liquid xenon detectors searching for
rare events. Its extra-large outer cryostat makes it possible to
install a wide variety of detector designs. We present the system,
including its cryogenic, gas handling, data acquisition and slow
control subsystems. Two dual phase time projection chambers with
sensitive masses at the 1 kg scale have so far been operated in
XeBRA. Using data from these, we determine the field-dependence of
the electron drift velocity in liquid xenon. We also measure the
relative charge and light yields for 41.5 keV energy deposits from
83mKr with electric drift fields between 50 V/cm and
677 V/cm.
Subject
Mathematical Physics,Instrumentation
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