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Title: Sensitivity of NEXT-100 to neutrinoless double beta decay

Journal Article · · Journal of High Energy Physics (Online)

NEXT-100 is an electroluminescent high-pressure xenon gas time projection chamber that will search for the neutrinoless double beta (0νββ) decay of 136 Xe. The detector possesses two features of great value for 0νββ searches: energy resolution better than 1% FWHM at the Q value of 136 Xe and track reconstruction for the discrimination of signal and background events. This combination results in excellent sensitivity, as discussed in this paper. Material-screening measurements and a detailed Monte Carlo detector simulation predict a background rate for NEXT-100 of at most 4 × 10 -4 counts keV -1 kg -1 yr -1 . Accordingly, the detector will reach a sensitivity to the 0νββ-decay half-life of 2.8 × 10 25 years (90% CL) for an exposure of 100 kg·year, or 6.0 × 10 25 years after a run of 3 effective years.[Figure not available: see fulltext.]

Research Organization:
Brookhaven National Laboratory (BNL), Upton, NY (United States); Fermi National Accelerator Laboratory (FNAL), Batavia, IL (United States); Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States)
Sponsoring Organization:
USDOE Office of Science (SC), High Energy Physics (HEP)
Contributing Organization:
The NEXT Collaboration; The NEXT collaboration
Grant/Contract Number:
AC02-07CH11359; AC02-05CH11231
OSTI ID:
1353390
Alternate ID(s):
OSTI ID: 1379317
Report Number(s):
arXiv:1511.09246; FERMILAB-PUB-16-669-CD-ND; 1407146
Journal Information:
Journal of High Energy Physics (Online), Vol. 2016, Issue 5; ISSN 1029-8479
Publisher:
Springer BerlinCopyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 89 works
Citation information provided by
Web of Science

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Barium Chemosensors with Dry-Phase Fluorescence for Neutrinoless Double Beta Decay journal October 2019
Status and future of nuclear matrix elements for neutrinoless double-beta decay: a review journal March 2017
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Extracting Majorana properties from strong bounds on neutrinoless double beta decay journal February 2017
Possibilities of Future Double Beta Decay Experiments to Investigate Inverted and Normal Ordering Region of Neutrino Mass journal January 2019
High Pressure Gas Xenon TPCs for Double Beta Decay Searches journal April 2019
Neutrino Mass Ordering from Oscillations and Beyond: 2018 Status and Future Prospects journal October 2018
Cosmogenic activation of materials conference January 2005
Cosmogenic activation of materials
  • Cebrián, S.
  • LOW RADIOACTIVITY TECHNIQUES 2013 (LRT 2013): Proceedings of the IV International Workshop in Low Radioactivity Techniques, AIP Conference Proceedings https://doi.org/10.1063/1.4818094
conference January 2013
Discovery probability of next-generation neutrinoless double-$β$ decay experiments text January 2017
Possibilities of future double beta decay experiments to investigate inverted and normal ordering region of neutrino mass text January 2019
High Pressure Gas Xenon TPCs for Double Beta Decay Searches preprint January 2019
Barium Chemosensors with Dry-Phase Fluorescence for Neutrinoless Double Beta Decay preprint January 2019