Prospects for the Detection of the Diffuse Supernova Neutrino Background with the Experiments SK-Gd and JUNO - INSPIRE

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Prospects for the Detection of the Diffuse Supernova Neutrino Background with the Experiments SK-Gd and JUNO

Yu-Feng Li
(
- Beijing, Inst. High Energy Phys.
)
,
Mark Vagins
(
- Tokyo U., IPMU and
- UC, Irvine
)
,
Michael Wurm
(
- Mainz U., Inst. Phys. and
- U. Mainz, PRISMA
)

Jan 30, 2022

21 pages

Published in:

Universe 8 (2022) 3, 181,
Universe 8 (2022) 181

Published: Mar 14, 2022

e-Print:

2201.12920 [astro-ph.HE]

DOI:

10.3390/universe8030181

View in:

ADS Abstract Service

reference search19 citations

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Abstract: (MDPI)

The advent of gadolinium-loaded Super-Kamiokande (SK-Gd) and of the soon-to-start JUNO liquid scintillator detector marks a substantial improvement in global sensitivity for the Diffuse Supernova Neutrino Background (DSNB). The present article reviews the detector properties most relevant for the DSNB searches in both experiments and estimates the expected signal and background levels. Based on these inputs, we evaluate the sensitivity of both experiments individually and combined. Using a simplified statistical approach, we find that both SK-Gd and JUNO have the potential to reach >3 evidence of the DSNB signal within 10 years of measurement. Combination of their results is likely to enable a discovery of the DSNB signal within the next decade.

Note:

21 pages, 6 figures

Diffuse Supernova Neutrino Background
astrophysical neutrinos
water Cherenkov detectors
liquid scintillator detectors
neutrino: background
neutrino: supernova
scintillation counter: liquid
JUNO
sensitivity
KAMIOKANDE

References(56)

Figures(6)

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