Liquid argon characterization of the X-ARAPUCA with alpha particles, gamma rays and cosmic muons
H. V. Souza,
E. Segreto,
A. A. Machado
et al.
Abstract:The X-ARAPUCA device is the baseline choice for the photon detection system of the first far detector module of the DUNE experiment. We present the results of the first complete characterization of a small scale X-ARAPUCA prototype, which is a slice of a full DUNE module. Its total detection efficiency in liquid argon was measured with three different ionizing radiations: 𝛼 particles, 𝛾's and muons and resulted to be ∼3.0%. This value comfortably satisfies the requirements of the first DUNE far detector modu… Show more
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