Articles tagged with Higgs Boson
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Researchers have successfully detected the Higgs boson decaying directly into fermions, a discovery that confirms theoretical predictions. The analysis of data gathered at the Large Hadron Collider reveals an accumulation of decays near 125 GeV and with a significance of 3.8 sigma.
Researchers at Kansas State University have found evidence that the Higgs boson is responsible for generating mass in fundamental particles, such as electrons. This discovery reinforces existing theories and provides new insights into how the universe works.
Smaller laser-plasma accelerators could accelerate particles to high energies, potentially reducing the cost of high-energy physics research and industrial applications. The new technology uses a combination of lasers to create an incoherent wakefield, which would allow for more sustainable and affordable accelerators.
The UT Arlington particle physics team has been awarded a $2.5 million, three-year Department of Energy grant to continue their work on the ATLAS experiment at the Large Hadron Collider. The grant represents a 25% increase in funding and recognizes the team's innovative ideas and research.
Theories predicting particles smaller than the Higgs particle are now more likely due to a critical review. Researchers found no new weaknesses in these theories.
Researchers measured the electric dipole moment of electrons to probe the Standard Model's limitations. Their results suggest that supersymmetric particles may not exist as predicted, leaving gaps in our understanding of dark matter and the universe.
New calculations confirm the universe may collapse, with a higher risk than previously thought. A phase transition in the Higgs field could lead to a violent process where particles become extremely heavy and the universe ceases to exist.
Researchers have developed a new method to clean theories and models of particle physics from uncertainties, making it easier to assess their validity. The approach could lead to the discovery of new physics, which may explain long-standing problems such as dark matter and gravity.
Researchers suggest the Higgs boson could help resolve the cosmological constant problem by introducing another background field that contributes an energy density matching the observed dark energy. This advance provides new insights into understanding dark energy's mysterious nature.
Physicists propose a unified framework for understanding matter, energy, space, and time. The report highlights pressing questions, such as the nature of dark matter and neutrinos, and outlines 20-year research priorities.
Researchers at Universitat Autonoma de Barcelona and Centre National de la Recherche Scientifique detect deviations in B meson decay consistent with New Physics predictions. The findings suggest the existence of a new particle, Zprima, which could explain dark matter and gravitational interactions.
Researchers found that particles with mass experience different space-times depending on their direction of motion, while massless particles see the same space-time in all directions. This discovery challenges our understanding of isotropy in the universe.
Research at Ultra Short Pulse High Intensity Lab in TIFR has found a novel scheme to accelerate neutral particles over millimeters using lasers. The concept uses powerful lasers to strip electrons from argon atoms, accelerating charged ions to high energies.
The federal government is investing in two national research projects led by SFU, one focusing on advanced materials science and the other on particle physics analysis, with potential commercial applications and global impact.
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.
Two groundbreaking papers from the CMS and ATLAS experiments announce the discovery of the elusive Higgs boson, marking a major milestone in particle physics. The observation confirms the Standard Model of particle physics and validates theories explaining how elementary particles can have mass.
Higgs excitations have been observed in a two-dimensional quantum gas near absolute zero temperature. The phenomenon, associated with spontaneous symmetry breaking, can lead to coordinated collective motion and is crucial in the Standard Model of Particle Physics.
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.
University of Oklahoma physicists collaborated with 1,700 U.S. scientists on the Higgs boson search project. The international effort resulted in the discovery of a new particle consistent with the Higgs boson.
Physicists at the Large Hadron Collider have observed a new particle, sparking hopes that it could be the elusive Higgs boson. The discovery is based on data collected in 2011 and 2012, with more analysis expected later this year.
The US Department of Energy supports the search for the Higgs particle through the Large Hadron Collider. Thousands of American scientists and graduate students contributed to this research.
Southern Methodist University (SMU) physicists have designed a key component of the world's largest physics experiment at CERN. The new high-speed fiber-optic data link, supported by the US Department of Energy, will be 75 times faster than the current link, enabling scientists to analyze vast amounts of data more efficiently.
The Tevatron experiments have found a strong indication of the Higgs particle's existence, pointing towards a mass between 115 and 135 GeV/c2. The data analysis of 500 trillion collisions shows a statistical significance of 2.9 sigma in the bottom-quark decay mode.
Higgs boson discovery is crucial for understanding particle masses. Experiments are reducing data to find patterns in particle decay, but low probabilities make some channels harder to detect. Sophisticated software filters events to record particles of interest.
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.
Recent BaBar experiment data suggest a potential flaw in the Standard Model, with a particular type of particle decay happening more often than predicted. The results are intriguing but require replication and further investigation to confirm or rule out an actual discovery.
Physicists from CDF and DZero collaborations found excesses in data that might be interpreted as coming from a Higgs boson, consistent with LHC results. The new result has a probability of being due to a statistical fluctuation at 2.2 sigma, excluding masses above 147 GeV.
Researchers at Michigan State University's DZero team have detected a distinct Higgs-like signature that cannot be easily explained without the presence of something new. If confirmed, this finding would be a major milestone for the world physics community and validate the Standard Model.
Scientists from CDF and DZero collaborations achieve precise measurement of W boson mass, an important constraint on the theorized Higgs boson. The new result provides a rigorous test of the Standard Model, which describes the properties of matter and its interactions.
Researchers propose theory that universe evolved from one-dimension to three dimensions as it expanded. A planned gravitational observatory, LISA, may detect anomalies if the theory is true.
Physicists at UC Santa Cruz are developing a new particle detector called the Insertable B Layer (IBL) to upgrade the ATLAS detector at the LHC, improving sensitivity in Higgs boson searches and enabling new physics discoveries. The IBL will be installed in 2015 and use advanced technology to withstand higher radiation doses.
The Fermilab experiments have excluded a quarter of the expected Higgs mass range, with a new mass range established at 158-175 GeV/c^2. The Standard Model predicts a mass range of 114-185 GeV/c^2.
The University of Toronto team has broken world records in the search for new particles at the LHC, confirming the Standard Model theory. The team set new limits on the mass of excited quarks, excluding their existence below a certain threshold and reconfirming allegiance to the Standard Model.
Researchers create powerful new tool for calculating Casimir forces, allowing repulsion in microelectromechanical systems. This breakthrough could significantly reduce the failure rate of existing MEMS devices and enable affordable, new technologies.
Physicists at Iowa State University are starting to see real data from the Large Hadron Collider, a multibillion-dollar particle accelerator. The team is analyzing the data from the ATLAS experiment's silicon pixel detector, which uses 80 million pixels to make precise measurements of particles created in high-energy collisions.
Physicists have improved measurements of the top quark's mass, which bears on the nature of the Higgs boson. The new world average value constrains the range of possible Higgs measurements more tightly than ever.
The discovery of single top quark production at the Fermi National Accelerator Laboratory marks a milestone in understanding matter and energy. This finding fills a gap in the Standard Model of the universe, solidifying knowledge of the basic components of matter.
The latest Fermilab analysis excludes a significant fraction of the allowed Higgs mass range, carving out a section between 160 and 170 GeV/c2. This result is based on data from the CDF and DZero collider experiments, which predict that the Higgs particle should have a mass between 114 and 185 GeV/c2.
The DZero collaboration has achieved the world's most precise measurement of the W boson mass, reducing its uncertainty by a factor of ten. This precision measurement will lead to stricter bounds on the mass of the elusive Higgs boson and provide insights into other not-yet-observed particles.
Researchers at Brown University have contributed to the observation of single top quarks, one of the building blocks of matter. This rare event allows scientists to understand top quark properties better.
Scientists confirm single top quark discovery, validating total number of quarks. The rare single top production has significance for the ongoing Higgs search at Fermilab's Tevatron.
Scientists at Fermilab will present talks on the proposed Project X accelerator, the latest Higgs search results from the Tevatron collider experiments, and an update on the search for dark matter using a bubble chamber. The conference features expert discussions on high-intensity accelerators and their applications in particle physics.
The Large Hadron Collider is poised to generate a bonanza of experimental data, putting hotly debated theories to the test. Potential breakthroughs include an explanation of mass and identification of dark matter.
The Tevatron experiments have excluded a mass of 170 GeV for the Higgs boson with 95% probability, restricting possible masses and demonstrating sensitivity to potential signals. The combined data allows experimenters to cross-check and confirm results, improving their chances to observe the Higgs.
The DZero collaboration at Fermilab has observed pairs of Z bosons, a rare event that makes its discovery an essential prelude to finding or excluding the Higgs boson. The observation was made possible by analyzing nearly 200 trillion proton-antiproton collisions.
The CDF experiment has measured the W boson mass with unprecedented precision, yielding a value of 80,413 +/- 48 MeV/c2. This result suggests that the Higgs boson could be lighter than previously predicted, making its observation more likely at experiments like Tevatron.
The new MidWest Tier 2 Center will receive data from the Large Hadron Collider at CERN, enabling physicists to analyze and extract scientific results. The center will utilize grid computing techniques and collaborate with institutions worldwide to process vast amounts of data.
The DZero experiment has observed the production of single top quarks in a rare process involving the weak nuclear force, marking an important test of particle theory. The results suggest that the magnitude of Vtb lies within the predicted range, consistent with the Standard Model, but further analysis is needed to confirm this finding.
The Large Hadron Collider (LHC) will explore alternative theories to the Standard Model, including supersymmetry, to address its limitations. Physicists aim to detect supersymmetric particles or large extra dimensions to bridge the energy gap between gravity and electroweak forces.
The UK has played a significant role in CERN's history, contributing to groundbreaking research and technological advancements. The laboratory continues to be a hub for scientific discovery, with ongoing experiments searching for the Higgs boson and exploring dark matter.
Karol Zyczkowski and Wojciech Slomczynski found that citizens in different EU countries will have unequal influence on Council of Ministers decisions. They propose a fairer solution called the Jagiellonian Compromise, where voting power is proportional to population, giving smaller states equal weight.
Physicists have developed a new method to calculate top quark mass with improved precision, allowing researchers to explore the previously inaccessible energy range of the Higgs boson. This breakthrough could lead to a better understanding of how particles acquire mass and solve one of science's great conundrums.