Articles tagged with Muons
The IceCube Neutrino Observatory has recorded a high-energy particle track with an energy of 2.6 PeV, leaving scientists puzzled. Researchers propose that the track could be caused by a tau neutrino, opening up new possibilities for astrophysics research and suggesting the presence of unknown components in the neutrino spectrum.
The NOvA collaboration has observed strong evidence of muon antineutrinos oscillating into electron antineutrinos, a phenomenon that has never been unambiguously seen. This result comes from the first run with antineutrinos and provides insights into the properties of neutrinos and antineutrinos.
Japanese researchers from Osaka University have developed a muon-based approach to non-destructive investigations for unique asteroid samples. The technique enables the study of extraterrestrial organics and major elements without destroying the samples, with potential applications in archaeology, material science, and social sciences.
Physicists at MIT have designed a pocket-sized cosmic ray muon detector that can be made with common electrical parts. The relatively simple device costs just $100 and can be used by students to measure muon rates in various environments.
A team of international physicists, including UC Santa Barbara postdoctoral scholar Manuel Franco Sevilla, reviewed results from three experiments that suggest lepton universality may need to be revised. The findings, published in Nature, indicate a higher-than-expected tau decay rate in all three experiments.
The Muon g-2 experiment at Fermilab is searching for phantom particles that could rewrite scientists' picture of the universe. The experiment uses a world-famous electromagnet to measure muon particles in a precise magnetic field.
Researchers at PNNL have created a smaller muon detector that can be used to monitor CO2 movement or leakage underground. The detector uses optical fibers and electronics to count muons passing through it, allowing for the detection of anomalies in density and the creation of images.
The NOvA collaboration has made a groundbreaking discovery that suggests the flavor and mass correlation of neutrinos may be more complex than previously thought. The data collected by the NOvA experiment indicates that one of the three neutrino mass states might not include equal parts of muon and tau flavor, as previously assumed.
A study suggests that ancient supernovae caused a significant increase in cosmic radiation on Earth, which may have boosted mutation rates and contributed to cancer. The researchers also found that this increased radiation could have led to a minor mass extinction event around 2.59 million years ago.
A Japanese physicist has developed new ways to create muonium atoms through particle collisions, offering advancements in detection and applications in proton size measurements. The second method using a positively charged muon colliding with a muonic hydrogen atom shows the most promise for future experiments.
Physicists from Warsaw and Nottingham show that in systems moving with enormous accelerations, no clock will accurately measure proper time due to the Unruh effect. This has significant consequences for measurements of space-time.
A giant magnet is now ready to drive high-energy particle experiments at Fermilab, aiming to test the Standard Model's deficiencies and discover new particles. The Muon g-2 collaboration, including the University of Washington, will conduct precise measurements using muons generated by protons.
A new NASA-funded investigation found that radiation from solar events is too weak to cause concern at ground level. However, previous research suggested a possible connection between cosmic rays and the rate of birth defects.
Scientists are using subatomic particles called muons to analyze the thickness of concrete slabs and metal pipes. The technique can safely identify faulty infrastructure components without creating radiation or invasive inspections.
University of Houston physicists are exploring subatomic particles to understand the fundamental nature of the universe, including matter/antimatter asymmetry. They will use $1.2 million grant for separate but related experiments involving neutrinos and leptons.
A study in AIP Advances describes a muon imaging technique that could help assess damage within the reactor's core, locate melted fuel and potentially reduce radiation doses. The method uses naturally occurring muons to image dense objects, offering advantages over traditional muon imaging.
Researchers from Los Alamos National Laboratory have devised a method to use cosmic rays to gather detailed information from inside damaged reactor cores. The technique, known as muon scattering, showed superiority over traditional transmission methods for capturing high-resolution image data.
Physicists at UMass Amherst were instrumental in the preliminary observation of a new particle, potentially the Higgs boson. The UMass team's contributions to the ATLAS project have been significant, particularly in muon identification and reconstruction.
The IceCube Collaboration found no evidence of ultra-high-energy cosmic rays originating from gamma-ray bursts, challenging the long-held theory. Instead, the team suggests that active galactic nuclei may be responsible for accelerating these particles.
The IceCube Neutrino Observatory has completed its deployment, enclosing a cubic kilometer of clear ice to detect rare neutrino collisions. The telescope will observe just a few hundred neutrinos per day, but with unprecedented energy and statistics.
Researchers have successfully manipulated a magnetically polarized current using electric fields, opening up the prospect of combining computer memory and processing power on the same chip. The discovery, made with flexible organic semiconductors, has significant implications for power efficiency and device weight.
Physicists have measured the proton's charge radius with an accuracy of better than one thousandth of a femtometre, significantly deviating from previous measurements. This change affects the Rydberg constant used to calculate energy packets absorbed and emitted by atoms and molecules.
Scientists have discovered a strong correlation between cosmic-ray data and stratospheric temperature, allowing for the detection of major weather events such as Sudden Stratospheric Warming. This study has the potential to improve weather forecasting and climate modeling by providing a new tool for monitoring atmospheric conditions.
Researchers from Queen Mary University of London have improved their understanding of how magnetic information is lost in devices similar to hard drive read-heads. The findings, published in Nature Materials, could lead to the development of more efficient and powerful data storage technologies.
The Department of Homeland Security has awarded a $589,000 continuation grant to Florida Tech associate professor Marcus Hohlmann for his research on using subatomic particles to detect hidden nuclear materials in cargo. The project uses muon radiography and a novel micro-pattern particle detector to identify potential threats.
Researchers are exploring muon radiography to detect hidden burial chambers in the Pyramid of the Sun, track volcanic eruption potential, and identify illicit nuclear materials. The method involves tracking muons passing through objects, allowing for non-invasive detection with minimal radiation exposure.
The new g-2 measurement has deviated significantly from the standard model prediction, with a difference of 2.8 standard deviations. This discrepancy has sparked renewed interest in the possibility of new physics beyond the Standard Model, particularly supersymmetry.
The latest muon g-2 measurement provides a unique and unusually sensitive test of the validity of the general theory of electromagnetism or, equivalently, the Standard Model of particle physics. The result confirms earlier measurements with twice the precision, making this new measurement a much more sensitive test of the Standard Model.