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This article describes the physics and nonproliferation goals of WATCHMAN, the WAter Cherenkov Monitor for ANtineutrinos. The baseline WATCHMAN design is a kiloton scale gadolinium-doped (Gd) light water Cherenkov detector, placed 13…

The next Galactic core-collapse supernova (SN) should yield a large number of observed neutrinos. Using Bayesian techniques, we show that with an SN at a known distance up to 25 kpc, the neutrino events in a water Cherenkov detector similar…

高能天体物理现象 · 物理学 2022-05-11 Jackson Olsen , Yong-Zhong Qian

The potential of elastic antineutrino-electron scattering in a Gd-doped water Cherenkov detector to determine the direction of a nuclear reactor antineutrino flux was investigated using the recently proposed WATCHMAN antineutrino experiment…

仪器与探测器 · 物理学 2016-12-20 D. Hellfeld , S. Dazeley , A. Bernstein , C. Marianno

Remote detection of undeclared nuclear reactors remains one of the key goals concerning global nuclear security. To meet this goal the WATCHMAN collaboration has proposed the construction of a water based antineutrino detector, sited 13 to…

仪器与探测器 · 物理学 2018-04-04 Jonathan Burns

The legacy of solar neutrinos suggests that large neutrino detectors should be sited underground. However, to instead go underwater bypasses the need to move mountains, allowing much larger water Cherenkov detectors. We show that reaching a…

天体物理学 · 物理学 2011-06-23 Matthew D. Kistler , Hasan Yuksel , Shin'ichiro Ando , John F. Beacom , Yoichiro Suzuki

The feasibility of a next generation underground water Cherenkov detector is examined and a conceptual design (UNO) is presented. The design has a linear detector configuration with a total volume of 650 kton which is 13 times the total…

高能物理 - 实验 · 物理学 2009-10-31 Chang Kee Jung

Antineutrinos are an unavoidable byproduct of the fission process. The kiloton-scale KamLAND experiment has demonstrated the capability to detect reactor antineutrinos at few-hundred-km range. But to detect or rule out the existence of a…

仪器与探测器 · 物理学 2022-08-18 Viacheslav A. Li , Steven A. Dazeley , Marc Bergevin , Adam Bernstein

Dark matter detectors that utilize liquid xenon have now achieved tonne-scale targets, giving them sensitivity to all flavours of supernova neutrinos via coherent elastic neutrino-nucleus scattering. Considering for the first time a…

高能天体物理现象 · 物理学 2016-12-21 Rafael F. Lang , Christopher McCabe , Shayne Reichard , Marco Selvi , Irene Tamborra

To date, antineutrino experiments built for the purpose of demonstrating a nonproliferation capability have typically employed organic scintillators, were situated as close to the core as possible -typically a few meters to tens of meters…

仪器与探测器 · 物理学 2022-10-19 O. A. Akindele , A. Bernstein , M. Bergevin , S. A. Dazeley , F. Sutanto , A. Mullen , J. Hecla

We investigate the sensitivity of some of the proposed next-generation neutrino experiments to a galactic supernova. In particular, we study how well the supernova parameters (the average energies and luminosities) can be separated from the…

高能物理 - 唯象学 · 物理学 2010-10-27 Solveig Skadhauge , Renata Zukanovich Funchal

If a galactic supernova explosion occurs in the future, it will be critical to rapidly alert the community to the direction of the supernova by utilizing neutrino signals in order to enable the initiation of follow-up optical observations.…

天体物理仪器与方法 · 物理学 2024-02-02 Fumi Nakanishi , Shota Izumiyama , Masayuki Harada , Yusuke Koshio

Several current projects aim at building a large water-Cherenkov detector, with a fiducial volume about 20 times larger than in the current Super-Kamiokande experiment. These projects include the Underground nucleon decay and Neutrino…

高能物理 - 唯象学 · 物理学 2009-10-07 G. L. Fogli , E. Lisi , A. Mirizzi , D. Montanino

The IceCube neutrino telescope monitors one cubic kilometer of deep Antarctic ice by detecting Cherenkov photons emitted from charged secondaries produced when neutrinos interact in the ice. The geometry of the detector, which comprises a…

高能天体物理现象 · 物理学 2018-07-04 Lutz Köpke

Studying the atmospheric neutrino oscillation probabilities below 2 GeV with a multi-megaton Cherenkov detector allows for a measurement of the leptonic CP-phase $\delta_{CP}$. The most relevant CP-sensitive energy range is below the…

高能物理 - 实验 · 物理学 2019-07-31 Jannik Hofestädt , Marc Bruchner , Thomas Eberl

The current supernova detection technique used in IceCube relies on the sudden deviation of the summed photomultiplier noise rate from its nominal value during the neutrino burst, making IceCube a $\approx 3$ Megaton effective detection…

天体物理仪器与方法 · 物理学 2015-05-28 L. Demiroers , M. Ribordy , M. Salathe

In this paper, we investigate the impact in future megaton-scale water Cherenkov detectors of identifying proton Cherenkov rings. We estimate the expected event rates for detected neutral current and charged current quasi-elastic neutrino…

高能物理 - 唯象学 · 物理学 2009-11-18 M. Fechner , C. W. Walter

Antineutrinos from a nuclear reactor comprise an unshieldable signal which carries information about the core. A gadolinium-doped, water-based Cherenkov detector could detect reactor antineutrinos for mid- to far-field remote reactor…

仪器与探测器 · 物理学 2023-02-28 Liz Kneale , Steve T Wilson , Tara Appleyard , James Armitage , Niamh Holland , Matthew Malek

We explore the potential of current and future liquid scintillator neutrino detectors of O (10) kt mass to localize a pre-supernova neutrino signal in the sky. In the hours preceding the core collapse of a nearby star (at distance D < 1…

高能天体物理现象 · 物理学 2020-10-08 Mainak Mukhopadhyay , Cecilia Lunardini , F. X. Timmes , Kai Zuber

We investigate the precision with which the supernova neutrino spectra can be reconstructed in water Cherenkov detectors, in particular the large scale Hyper-Kamiokande and Super-Kamiokande. To this aim, we consider quasi-thermal neutrino…

高能物理 - 唯象学 · 物理学 2018-04-25 Andrea Gallo Rosso , Francesco Vissani , Maria Cristina Volpe

While existing detectors would see a burst of many neutrinos from a Milky Way supernova, the supernova rate is only a few per century. As an alternative, we propose the detection of ~ 1 neutrino per supernova from galaxies within 10 Mpc, in…

天体物理学 · 物理学 2009-11-10 Shin'ichiro Ando , John F. Beacom , Hasan Yuksel
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