Articles tagged with Neutrinos
Researchers at Lancaster University's T2K experiment have found that almost half of the possible parameter values governing matter-antimatter asymmetry in the Universe have been disfavoured. This discovery suggests a basic property of neutrinos, one of the fundamental particles making up the Universe.
A new study from the University of Michigan and Lawrence Berkeley National Laboratory has found no evidence that sterile neutrinos are dark matter. The research team used archival data from the XMM-Newton space X-ray telescope to search for signs of dark matter in the Milky Way galaxy, but their analysis yielded no results.
Researchers have developed antineutrino detection technology to monitor nuclear reactors and detect plutonium production, providing high-level assurances of treaty compliance. The technology has potential applications in near-field and far-field monitoring, as well as verifying treaty compliance by tracking spent fuel.
Researchers created a new detection method using radar echoes to identify ultra-high energy particle cascades. This breakthrough could lead to the development of a neutrino telescope capable of detecting high-energy neutrinos with energies beyond current observable range.
Physicists propose using ultra-high energy neutrinos to study interactions beyond the standard model, with a new resonance dubbed the 'Zee burst.' This detection could reveal exotic particles such as supersymmetric partners and heavy decaying dark matter.
The EXO-200 collaboration has established some of the strongest limits yet for neutrinoless double beta decay and two-neutrino double beta decay of xenon-136. This research sets the stage for future experiments that will search for the hypothetical process, which would confirm that neutrinos are their own antiparticles.
The X-Arapuca is an enhanced version of the light detector developed by Brazilian researchers, providing greater efficiency and introducing minor modifications. The device will be installed in the Deep Underground Neutrino Experiment (DUNE), a project searching to discover new properties of neutrinos.
The Borexino experiment has provided insights into how the Sun generates energy by analyzing its solar neutrino spectrum. The study revealed details about the Sun's core and fusion processes, confirming current understanding of these phenomena.
Researchers from the Borexino collaboration confirm previous assumptions about the Sun's fusion processes using a comprehensive analysis of neutrinos from the Sun's core. The results substantiate the standard solar model and reveal an interesting clue to a previously unresolved solar mystery: high metallicity.
The largest liquid-argon neutrino detector has recorded its first particle tracks, signaling a major breakthrough in the Deep Underground Neutrino Experiment (DUNE). The ProtoDUNE detector will be used to unlock the mysteries of neutrinos and study their behavior.
The largest liquid-argon neutrino detector has recorded its first particle tracks, signaling the start of a new chapter in DUNE's scientific mission to unlock neutrino mysteries. Scientists will operate the detector over several months to test technology and gather data for future research.
An international team identified the source object of an ultra-high energy neutrino using the Subaru Telescope and OISTER network in collaboration with the IceCube experiment. The source, TXS 0506+056, is a blazer emitting radiation as it spirals into a supermassive black hole.
An international team of scientists has found evidence of a far-distant source of high-energy particles called neutrinos, an energetic galaxy about 4 billion light years from Earth. The discovery was made using the IceCube Neutrino Observatory and confirms that this galaxy is a cosmic ray accelerator.
Researchers discovered a blazar, TXS 0506+056, producing high-energy neutrinos in multiple bursts, confirming the source of previously detected astrophysical neutrinos. The 'flaring state' observations were made when the neutrino signal arrived in September 2017, with bright emission across multiple wavelengths.
A Drexel University astrophysicist and her colleagues have proven the origin of high-energy particles called neutrinos, revealing they come from blazars with spinning supermassive black holes. This discovery opens up new avenues for understanding the universe's formation and evolution.
Physicists at Mainz University have calculated that neutrino detectors could be useful in certain scenarios for monitoring nuclear waste. A suitable detector could detect if radioactive material had been removed without being documented, and verify the contents of a container without opening it up.
The CUORE experiment has set the most precise limits yet on a theorized process to explain the universe's matter-antimatter imbalance. The detector, cooled to record-low temperatures, will collect nearly 100 times more data in the coming years.
Researchers detect coherent elastic neutrino-nucleus scattering (CEνNS) using a specialized setup at Oak Ridge National Laboratory. The observation validates theoretical predictions and paves the way for technological applications such as non-intrusive nuclear reactor monitoring.
The COHERENT Collaboration, led by UChicago physicists, detects elusive neutrino-nucleus scattering using a compact detector. This finding confirms the theory predicted four decades ago and has implications for understanding neutrino properties and the search for Weakly Interacting Massive Particles.
Researchers at Kansas State University are developing the high-voltage system for the detector in DUNE, a large international collaboration studying neutrinos. The project aims to gain knowledge on fundamental physics and the early universe, with potential benefits in understanding the relationship between matter and antimatter.
A combined analysis of NASA's Fermi Gamma-ray Space Telescope and H.E.S.S. data suggests the galactic center contains a high-energy trap that concentrates cosmic rays, mostly protons. This results in a gamma-ray glow extending to the highest energies observed.
The ICARUS detector, measuring 18 meters long and weighing 120 tons, will travel across the Atlantic Ocean from CERN to Fermilab in preparation for its new mission at the U.S. Department of Energy's facility. Once installed, it will search for 'sterile' neutrinos using liquid-argon time projection technology.
Benjamin Jones, UTA assistant professor, received the prestigious award for his doctoral thesis on sterile neutrinos in cold climates. His research using the IceCube experiment at the South Pole provided a strong constraint on the existence of sterile neutrinos, ruling out their presence with 99% confidence.
The Super-Kamiokande detector is equipped with a new computer system to monitor neutrinos from nearby supernovae in real-time. This allows scientists to assess the significance of signals within minutes and issue early warnings to research centers worldwide.
Scientists have found that neutrinos can exist in a state of superposition, with no definite flavor or identity, while traveling hundreds of miles. This phenomenon is unexpected under classical theories and confirms the reach of quantum mechanics even at large scales.
A new study reveals that neutrinos produced in the core of a supernova are highly localized compared to all other known sources. Theoretical wave packet size is irrelevant in simpler cases, providing a more solid foundation for standard neutrino behavior theories.
The PROSPECT experiment aims to study the properties of elementary particles and better understand neutrino emission from reactors. The project seeks to probe questions about neutrino oscillation, including the possible existence of sterile neutrinos.
The Yale University-led PROSPECT experiment will explore key questions about neutrinos and potentially improve nuclear reactor safety. It aims to detect and measure the energy distribution of neutrinos near a research reactor with unparalleled sensitivity.
The BURST code simulates conditions during the first few minutes of cosmological evolution to model the role of neutrinos, nuclei and other particles in shaping the early universe. This allows physicists to investigate existing puzzles of cosmology, including the nature and origin of visible matter and dark matter.
Numerical simulations using BURST code reveal insights into the role of neutrinos, nuclei, and other particles in shaping the early universe. The research aims to investigate existing puzzles of cosmology, including dark matter and dark radiation.
The 66th Lindau Nobel Laureate Meeting will bring together 402 young scientists from 80 countries to discuss their physics research. The participants will also have the opportunity to meet and learn from 30 Nobel laureates, including Takaaki Kajita and Arthur B. McDonald.
The Deutsche Forschungsgemeinschaft is funding 14 new Research Units and one Clinical Research Unit, totaling €35 million. The research collaborations aim to address pressing issues in their respective fields, including neutrino mass hierarchy and creative processes.
The six PNNL researchers honored with the Breakthrough Prize have made profound contributions to human knowledge, revealing new frontier beyond the standard model of particle physics. They worked on a variety of physics questions and continue to collaborate.
Physicist Sampa Bhadra's T2K team made a groundbreaking discovery of neutrino oscillations, revealing a new frontier in particle physics. The team's measurement of the last unknown quantity dictating rules for oscillations has shed light on the universe's origins.
Researchers find Weyl points, predicted by Hermann Weyl in 1929, in photonic crystals, opening a new area of photonics. The discovery paves the way for new photonic phenomena and applications, including angularly selective materials and powerful single-frequency lasers.
Physicists have found evidence that neutrinos can interact with nuclei without causing damage, producing a 'glancing blow' instead. This reaction creates a new particle from the vacuum, defying expectations and challenging theoretical calculations.
Professor Joachim Kopp at Johannes Gutenberg University Mainz has received a €800,000 ERC Starting Grant to pursue new approaches in theoretical neutrino physics. He aims to investigate the existence of sterile neutrinos and their potential connection to dark matter.
Researchers from PTB have refuted the assumption that radioactive nuclides' decay rate depends on distance from the Sun. Long-term measurements show no seasonal variations or solar influence, contradicting previous US-American findings.
A team of scientists from Virginia Tech has proposed using neutrino detectors to monitor plutonium production in Iran's Arak reactor. The technology can detect antineutrinos produced by fission of uranium-235 and plutonium-239, providing high-level monitoring not currently offered by any other technique.
Researchers at Yale University and Fermilab successfully relocated a 30-ton MicroBooNE particle detector to its new building, marking a major step towards studying neutrino behavior. The experiment aims to examine how neutrinos interact and change within a distance of 500 meters.
The EXO-200 experiment searched for Majorana neutrinos, which could explain their mass, but found no evidence. The decay of a radioactive isotope that may only occur if neutrinos are their own antiparticles was tested with unprecedented accuracy.
A new three-dimensional model of supernova collapse reveals the role of turbulent mixing in expanding, contracting and ejecting elements before explosion. This breakthrough insight into the death throes of stars sheds light on the formation of elements necessary for life on Earth.
Scientists have combined Planck spacecraft and gravitational lensing observations to accurately measure the mass of ghostly sub-atomic particles called neutrinos for the first time. The team finds that massive neutrinos can explain the discrepancies between cosmological results and observations of large-scale structures in the Universe.
The Higgs boson's detection completes the standard model of particle physics, where particles interact with a Higgs field to obtain mass. Researchers used a $5.5-billion-dollar atom-smasher and two massive particle detectors to spot the elusive boson.
Research models stellar explosions revealing neutrinos' previously unrecognized impact on supernovae's core and outer envelope. The study shows that neutrino interactions with halo neutrinos significantly alter the explosion's physics, changing element formation.
Researchers at Caltech found a correlation between the neutrino signal and the gravitational-wave signal that occurs when the proto-neutron star reaches high rotational velocities. This discovery provides new insights into understanding the explosion process in massive stars.
The Particle Data Group's 2012 edition is a comprehensive review of high-energy physics, covering results from the Large Hadron Collider and new data on neutrino oscillation. The online version includes an interactive web application for browsing the database and print-quality displays of mathematical expressions.
The Enriched Xenon Observatory 200 has detected no evidence of neutrinoless double-beta decay, ruling out a previous controversial result. The detector has also narrowed down the mass of the neutrino to less than 140-380 thousandths of an electronvolt.
The Large Underground Xenon (LUX) detector is a trap set for dark-matter WIMPs, with a titanium bottle holding 350 kilograms of liquid xenon. The new LUX ZEPLIN project aims to increase sensitivity by orders of magnitude.
The IceCube Neutrino Observatory has provided significant new insights into the production of cosmic rays, contradicting 15 years of predictions. The study found no neutrinos from gamma-ray bursts, forcing a re-evaluation of theories on high-energy cosmic ray production.
The IceCube Neutrino Observatory has found no neutrinos emitted from gamma ray bursts, contradicting 15 years of predictions and challenging one of the two leading theories for high-energy cosmic rays. The result opens a new window on cosmic ray production and the interior processes of GRBs.
Fermilab is shifting focus from high-energy particle collisions to lower-energy interactions with intense beam intensities. Two neutrino experiments and Project X, a $1-2bn proton accelerator, are planned to explore rare decays and heavy nuclei.
Researchers found that pion decays would produce superluminal neutrinos only if energy and momentum were conserved. However, the OPERA experiment's results cannot be replicated under current physics. The creation of high-energy neutrinos is also supported by observations from IceCube.
A Kansas State University physicist led a team gathering precise measurements of the Earth's radioactivity, revealing that radioactive decay is responsible for about half of the planet's heat. The study provides insight into the Earth's interior and helps geologists understand models for plate movement, magnetic fields, and volcanoes.
Researchers found a superfluid in the neutron star's core that could defy gravity and a superconductor that can sustain electricity forever. This discovery provides insight into the life cycles of stars and behavior at high densities.
The IceCube observatory, located in the crystal clear ice of the South Pole, has been completed as a world-first large-scale neutrino telescope. The telescope will investigate the sources and properties of neutrinos, which originate in spectacular phenomena in the universe.
The IceCube Neutrino Observatory is a cubic kilometer instrumented ice detector that records rare collisions of neutrinos with the atomic nuclei of water molecules in the Antarctic ice. The observatory provides an innovative means to investigate fundamental particles originating from cosmic phenomena.
Researchers from 38 institutions collaborate to study neutrinos in the Daya Bay project. The team aims to understand how neutrinos transition between types and shed light on the universe's matter-antimatter imbalance.
Researchers found that low mass dark matter particles can interact with the Sun's atoms, transferring energy from the core to the external parts. This interaction cools down the Sun's core and reduces the flux of solar neutrinos.
The National Science Foundation has signed a five-year, $34.5-million agreement with the University of Wisconsin-Madison to operate the IceCube Neutrino Observatory in Antarctica. The observatory records rare collisions of neutrinos with ice, providing insights into these elusive sub-atomic particles.