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Title: The Next White (NEW) Detector

Journal Article · · JINST

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 136Xe 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.

Research Organization:
Fermi National Accelerator Lab. (FNAL), Batavia, IL (United States); Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States)
Sponsoring Organization:
USDOE Office of Science (SC), High Energy Physics (HEP)
Contributing Organization:
NEXT
DOE Contract Number:
AC02-07CH11359
OSTI ID:
1436703
Report Number(s):
arXiv:1804.02409; FERMILAB-PUB-18-113-CD; 1666884
Journal Information:
JINST, Vol. 13, Issue 12
Country of Publication:
United States
Language:
English

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Cited By (2)

Barium Chemosensors with Dry-Phase Fluorescence for Neutrinoless Double Beta Decay journal October 2019
Barium Chemosensors with Dry-Phase Fluorescence for Neutrinoless Double Beta Decay preprint January 2019

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