The NEXT White (NEW) detector

NEXT collaboration

Research output: Contribution to journalArticle

Abstract

Conceived to host 5 kg of xenon at a pressure of 15 bar in the fiducial volume, the NEXT-White apparatus is currently the largest high pressure xenon gas TPC using electroluminescent amplification in the world. It is also a 1:2 scale model of the NEXT-100 detector for 136 Xe ββ0ν decay searches, scheduled to start operations in 2019. Both detectors measure the energy of the event using a plane of photomultipliers located behind a transparent cathode. They can also reconstruct the trajectories of charged tracks in the dense gas of the TPC with the help of a plane of silicon photomultipliers located behind the anode. A sophisticated gas system, common to both detectors, allows the high gas purity needed to guarantee a long electron lifetime. NEXT-White has been operating since October 2016 at the Laboratorio Subterráneo de Canfranc (LSC), in Spain. This paper describes the detector and associated infrastructures, as well as the main aspects of its initial operation.

Original languageEnglish (US)
Article numberP12010
JournalJournal of Instrumentation
Volume13
Issue number12
DOIs
StatePublished - Dec 6 2018

Fingerprint

Detector
Detectors
Photomultipliers
detectors
Xenon
Gases
gases
xenon
scale models
Spain
Amplification
Lifetime
Silicon
Anodes
purity
Cathodes
anodes
Infrastructure
cathodes
Trajectories

Keywords

  • Double-beta decay detectors; Particle tracking detectors; Scintillators
  • Gas
  • Liquid scintillators); Time projection chambers
  • Scintillation and light emission processes (solid

ASJC Scopus subject areas

  • Mathematical Physics
  • Instrumentation

Cite this

The NEXT White (NEW) detector. / NEXT collaboration.

In: Journal of Instrumentation, Vol. 13, No. 12, P12010, 06.12.2018.

Research output: Contribution to journalArticle

NEXT collaboration. / The NEXT White (NEW) detector. In: Journal of Instrumentation. 2018 ; Vol. 13, No. 12.
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AU - Álvarez, V.

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KW - Gas

KW - Liquid scintillators); Time projection chambers

KW - Scintillation and light emission processes (solid

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