NA62 Liquid Krypton Purity Monitor
Johan Bremer, Douglas Bryman, Hans Danielsson, Valeri Falaleev,, Torsten Koettig, Leonid Kurchaninov, Joanna Liberadzka-Porret, Aleksandra, Onufrena, Bob Velghe
TL;DR
This paper presents a liquid krypton purity monitor using a time projection chamber to measure electron attenuation, aiding in the NA62 experiment at CERN.
Contribution
It introduces a novel purity measurement system based on electron attenuation in liquid krypton for high-precision experiments.
Findings
Successfully measured electron attenuation to estimate krypton purity.
Validated the system with krypton from commercial sources.
Demonstrated the monitor's effectiveness for the NA62 experiment.
Abstract
A system for determining the purity of liquid krypton employed in the NA62 rare kaon decay experiment at CERN was developed based on the use of a time projection chamber. The attenuation of drifting ionization electrons from absorption of 511 keV gamma rays in liquid krypton was measured to estimate the purity. The setup was tested with krypton purified from commercial sources.
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Taxonomy
TopicsParticle physics theoretical and experimental studies · Atomic and Subatomic Physics Research · Dark Matter and Cosmic Phenomena