Tag

Antineutrinos

All articles tagged with #antineutrinos

science1 month ago•51 min saved

Pure-water detector marks distant reactor neutrinos, hinting at cheaper monitoring

During a 2018 calibration, the SNO+ detector buried deep underground in Ontario used ultrapure water to detect inverse beta decay from antineutrinos emitted by a nuclear reactor over 240 kilometers away, with 99.7% confidence that the signal was reactor-related. The finding shows that plain water can be used to monitor distant reactors via antineutrinos and opens the door to cheaper, safer neutrino-detection methods, while contributing to fundamental neutrino physics.

via Yahoo|

#antineutrinos #inverse-beta-decay #neutrinos

science1 month ago•6 min saved

Underground Water Senses Antineutrinos From a Faraway Reactor

Scientists at the SNO+ underground lab detected inverse beta decay signals from antineutrinos emitted by a nuclear reactor roughly 240 km away using ultrapure water in a large tank, marking the first time water alone captured such low-energy events (down to 1.4 MeV). An analysis of 190 days of calibration data yielded a 3-sigma candidate signal, suggesting plain water could someday be used to monitor reactor output at a distance and demonstrating a cheaper path for neutrino detection.

via ScienceAlert|

#antineutrinos #inverse-beta-decay #neutrinos

science1 month ago•3 min saved

JUNO Unveils Early Clues in the Neutrino Flavor Mystery

JUNO, a 20-ktonne underground detector in China, released two months of data showing precise measurements of how neutrinos change flavor and offering clues about their masses; the detector observes electron antineutrinos from nearby reactors via inverse beta decay and aims to resolve the neutrino-mass hierarchy, with cross-checks expected from Hyper-Kamiokande and DUNE in the coming decade; findings published in Nature.

via ScienceAlert|

#antineutrinos #juno #neutrino-flavors

science2 years ago•2 min saved

Unveiling the Elusive Footprint of Neutrinos

The PROSPECT research collaboration has reported the most precise measurement ever of the energy spectrum of antineutrinos emitted from the fission of uranium-235 (U-235). These results provide scientists with new information about the nature of these particles and offer insights into fundamental neutrino physics. The findings highlight the need for better models describing the production of antineutrinos from fissile isotopes and address inconsistencies between data and models. The research was conducted at the High Flux Isotope Reactor (HFIR), a Department of Energy user facility, and published in the journal Physical Review Letters.

via Phys.org|

#antineutrinos #energy-spectrum #neutrinos

science-and-technology2 years ago•3 min saved

Eerie Nuclear Power Station Glow Detected 150 Miles Away in Pure Water

Scientists have successfully used water as a detector for antineutrinos, particles that are produced during nuclear beta decay. The SNO+ collaboration, located in an underground laboratory in Ontario, Canada, filled a tank with ultrapure water and detected evidence of inverse beta decay. This breakthrough opens up possibilities for using water detectors to monitor nuclear reactor power production and further study neutrinos and antineutrinos.

via ScienceAlert|

#antineutrinos #neutrinos #nuclear-reactors

science-and-technology3 years ago•3 min saved

Antineutrinos Detected 150 Miles from Nuclear Power Station in Water Cherenkov Detector

Scientists have detected antineutrinos, the antiparticle counterpart to neutrinos, using pure water for the first time. The antineutrinos originated from a nuclear reactor located 150 miles away from the SNO+ detector, buried under kilometers of rock in Ontario, Canada. This breakthrough could lead to inexpensive and safe neutrino experiments and monitoring technology. The SNO+ detector is currently being used to help understand neutrinos and antineutrinos better, and is searching for a rare, never-before-seen decay that could answer one of the biggest questions in particle physics.

via ScienceAlert|

#antineutrinos #neutrinos #nuclear-reactors

science3 years ago•4 min saved

Water-based method detects elusive neutrinos.

The Sudbury Neutrino Observation (SNO+) experiment has detected antineutrinos using pure water, a significant breakthrough in detecting these elusive particles. Neutrinos and antineutrinos are tiny subatomic particles that are the most abundant particles in the universe and considered fundamental building blocks of matter. They have practical applications as they can be used to monitor nuclear reactors and potentially detect clandestine nuclear activities. The use of water instead of liquid scintillator could lead to the development of large but inexpensive detectors to ensure nuclear nonproliferation.

via Phys.org|

#antineutrinos #neutrinos #nonproliferation