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ARAPUCA light trap for large liquid argon time projection chambers

by Paulucci, L , Bissiano, M , Machado, A A , Araujo, W , Galante, D , Segreto, E , Marinho, F , Gelli, B , Marques, G , Fauth, A , Teixeira, V , Guzzo, M R , Ambrósio, C , da Motta, H

in Argon / Foils / Neutrinos / Photon traps / Photons

2018

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ARAPUCA light trap for large liquid argon time projection chambers

by Paulucci, L , Bissiano, M , Machado, A A , Araujo, W , Galante, D , Segreto, E , Marinho, F , Gelli, B , Marques, G , Fauth, A , Teixeira, V , Guzzo, M R , Ambrósio, C , da Motta, H

in Argon / Foils / Neutrinos / Photon traps / Photons

2018

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ARAPUCA light trap for large liquid argon time projection chambers

by Paulucci, L , Bissiano, M , Machado, A A , Araujo, W , Galante, D , Segreto, E , Marinho, F , Gelli, B , Marques, G , Fauth, A , Teixeira, V , Guzzo, M R , Ambrósio, C , da Motta, H

in Argon / Foils / Neutrinos / Photon traps / Photons

2018

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Journal Article

ARAPUCA light trap for large liquid argon time projection chambers

Paulucci, L,

Bissiano, M,

Machado, A A,

Araujo, W,

Galante, D,

Segreto, E,

Marinho, F,

Gelli, B,

Marques, G,

Fauth, A,

Teixeira, V,

Guzzo, M R,

Ambrósio, C,

da Motta, H

2018

Overview

ARAPUCA is a totally innovative device for liquid argon scintillation light detection. It is composed of a passive light collector and of active devices. The active devices are standard SiPMs that operate at liquid argon temperature, while the passive collector is a photon trap that allows the collection of light with extremely high efficiency. The total detection efficiency of the device can be tuned by modifying the ratio between the area of the active components (SiPM) and that of the optical window. Few arrays of ARAPUCAs will be installed inside the prototype of the Deep Underground Neutrino Experiment - protoDUNE - and their performances will be compared with those of more standard solutions based on guiding bars. The results of the most recent tests of ARAPUCAs in a liquid argon environment, which led to the actual design for the protoDUNE, will be reported together with the proposal of a photon detection system for the Deep Underground Neutrino Experiment based on ARAPUCAs combined with dielectric mirror foils coated by wavelength-shifter.

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Publisher

IOP Publishing

Subject

Argon

/ Foils

/ Neutrinos

/ Photon traps

/ Photons