Articles tagged with Accelerator Physics
Researchers have made a significant advance in shrinking the size of particle accelerators by using intense lasers and plasmas. They demonstrated functional equivalent of a confining metal tube waveguide, generating plasma waveguiding of up to 300-terawatt laser pulses, and accelerating electrons up to 5 GeV over a distance of only 20 cm.
GSI/FAIR researchers aim to study properties of hypernuclei, which could shed light on neutron star phenomena. The WASA detector will help determine binding energy and lifetimes with higher detection efficiency.
Two researchers at Jefferson Lab, Todd Satogata and Paul Reimer, have been selected as 2021 APS Fellows for their outstanding contributions to nuclear physics. They were recognized for their work on particle accelerator science and research on the structure of the proton.
A team at HZB and PTB developed a method to measure the lateral expansion of the electron beam in laser plasma accelerators, achieving resolutions in the micrometre range. This technique uses coherent radiation of electron pulses via interference patterns to determine the beam cross-section.
Researchers investigate light smashups to create new physics beyond the Standard Model, building on previous discoveries that matter can be generated from light. The study reveals implications for understanding primordial plasma and the strong force.
Scientists propose EicC to investigate quark and gluon contributions to nucleon spin and mass, as well as novel multi-particle dynamics. The recently released white paper outlines physics goals, detector design, and accelerator specifications.
Laser physicists have built the first compact two-stage plasma-based accelerator, accelerating particles to near-light speed within a few millimeters. The hybrid plasma accelerator has shown more than three orders of magnitude higher acceleration fields than conventional accelerators.
Researchers have developed a novel hybrid accelerator that uses both plasma acceleration and electron bunches to accelerate particles to high energies. The new technology has the potential to shrink existing accelerators by up to 1000 times, making them more compact and cost-effective.
A team of researchers at DESY has achieved a record-breaking run time of 30 hours for a plasma accelerator, accelerating over 100,000 electron bunches per second. The milestone brings scientists closer to developing practical applications of this innovative technology, which holds promise for powerful and compact particle accelerators.
Bob May, Jefferson Lab ES&H Deputy Director, has been named a fellow of the Health Physics Society for his 40-year career in health physics. He is recognized for his significant contributions to radiation safety and administration within the field.
FSU physicists suggest a new, short-lived particle may be responsible for the rare decay of Kaon particles, defying the standard model of physics. Researchers in Japan are conducting further data runs to confirm the observation, which could potentially reveal new insights into fundamental forces.
The new focusing system overcomes the space charge effect, allowing for improved resolution and brighter diffraction data. The team's advanced design uses quadrupole magnets to tune the electron beam, enabling on-the-fly adjustments and optimal beam quality.
Researchers have developed a technique to miniaturize plasma wakefield acceleration, allowing for the creation of compact, high-energy particle accelerators. This technology has the potential to revolutionize particle accelerator design and enable smaller, more accessible facilities.
A team of physicists has achieved a groundbreaking experiment accelerating electrons to high energies using a new method called plasma wakefield acceleration. This technology has the potential to drastically reduce the size and cost of future particle accelerators.
Researchers observed anomalies in decays of beauty mesons, which may be signs of new physics beyond the Standard Model. The inclusion of long-distance effects increased the significance of these findings, reaching a 6.1 sigma value.
The UT-ORNL team conducted the first full characterization measurement of an accelerator beam in six dimensions using a replica of the Spallation Neutron Source's linear accelerator. This achievement advances our understanding of particle accelerator beams and has significant implications for future accelerators.
Fulvia Pilat, a leading expert in accelerator physics, has been awarded the American Physical Society (APS) Fellowship. She made significant contributions to the commissioning of the Continuous Electron Beam Accelerator Facility and led efforts toward an electron-ion collider.
Physicists propose that knots in flexible strands of energy called flux tubes link elementary particles, explaining the three-dimensional nature of the universe. The theory provides a natural power source for cosmic inflation, solving two key problems in cosmology.
The Cornell-Brookhaven ERL Test Accelerator, CBETA, combines two energy-saving technologies: energy recovery and permanent magnets. This innovation could lead to higher luminosity in colliding-beam experiments and produce brighter, more coherent radiation.
A new study published in Scientific Reports reveals that laser energy deposited into plasma produces two low-energy but high-charge electron beams and a single high-energy beam. The beams can have thousands of times more charge than the high-energy beam, offering a novel source of charged particle beams.
Researchers have gained insight into the atomic and nuclear structure of heavy, radioactive elements for the first time. The technique involves laser ionization, which significantly increases sensitivity and accuracy, allowing for measurements of atoms per second.
Scientists have developed a new theoretical framework to improve the stability and intensity of particle accelerator beams. The theory couples vertical and horizontal motions of particles, providing important tools for designing high-intensity beam manipulations.
A new advanced theoretical tool has been developed to design and analyze complex beam lines with strong coupling. This breakthrough enables the creation of high-intensity beams that can be used in fusion reactors and nuclear waste management, as well as study the origin of the universe.
An international team of physicists has developed a method using Ultrahigh Energy Cosmic Rays (UHECRs) to study particle interactions, potentially revealing new physical phenomena at higher energies than the Large Hadron Collider.
Hugh E. Montgomery, Jefferson Lab director and president of Jefferson Science Associates, LLC, has been recognized for his outstanding leadership and distinguished research in high-energy physics. The Institute of Physics awards the Glazebrook Medal annually to individuals who display exceptional contributions to the physics community.
A team of researchers from China, South Korea, and the US proposes a novel way to minimize the energy spread of electrons in laser wakefield accelerators. By inserting a plasma compressor, they can reduce the energy spread to the one-thousandth level, making new applications for laser wakefield accelerators possible.
Physicists from Polish Academy of Sciences analyze data from LHCb experiment, indicating possible signs of new physics. The analysis shows a deviation of 3.7 sigma in the decay rate of beauty mesons, suggesting that physicists may be on the cusp of discovering new particles beyond the Standard Model.
A team of scientists has successfully developed a working prototype of a 'shoebox-sized accelerator on a chip,' which could revolutionize fields like biology, chemistry, and materials science. The $13.5 million grant-funded project aims to make particle accelerators smaller, cheaper, and more accessible.
Researchers at the University of Strathclyde have produced the shortest electron bunches ever by surfing plasma waves, with a length one 300th of a hair's breadth and traveling at nearly light speed. This breakthrough is part of the ALPHA-X project aimed at creating a table-top attosecond coherent X-ray source.
The article explores how particle accelerators contribute to medical treatments by providing precise control over energetic particles. Researchers are developing smaller and lower-cost machines to improve the curative capabilities of cancer treatment while reducing costs.
The world's largest science experiment is expected to start proton collisions in early June, with no significant signs of new physics yet observed. Physicists are eager for anomalies and unexpected results that could change our understanding of the Standard Model.
A German-American research team has determined the three-dimensional shape of free-flying silver nanoparticles for the first time, using DESY's X-ray laser FLASH. The tiny particles exhibit an unexpected variety of shapes, including Platonic and Archimedean bodies.
Scientists have successfully accelerated electrons to energies 400-500 times higher than conventional accelerators using a plasma wakefield acceleration technique. The breakthrough achieves high energy gains and efficiency, paving the way for future applications in medicine, national security, and high-energy physics research.
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.
Andrew Sessler, former Berkeley Lab Director, wins Fermi Award for his work on particle accelerators and storage rings. He is recognized for advancing the science and technology frontier in research and development.
Physicists at Wayne State University have observed 'charm mixing' in particles, a rare process where charm quarks change into their antiparticles. The discovery could reveal new insights into the universe's matter-antimatter imbalance.
A new study by Dartmouth researchers eliminates a controversial theory that the universe's accelerating expansion is an illusion. They used Big Bang afterglow to show that Earth has no special place in the expanding universe, eliminating the possibility of a cosmic center.
Six Berkeley Lab scientists, from various divisions, were elected APS Fellows in 2012 for their outstanding research and contributions to the physics enterprise. These individuals represent a high count for a single institution, with only half of one percent of APS members being elected as Fellows annually.
Hermann Grunder, founding director of Jefferson Lab, received the Francis G. Slack Award for his pioneering work on superconducting technology and innovative faculty joint appointments, significantly strengthening nuclear physics in the Southeast.
Researchers at RIKEN Nishina Center for Accelerator-based Science conclusively identify element 113 through six consecutive alpha decays. The discovery sets the stage for Japan to claim naming rights for the element, following a long-standing competition with the US and Russia.
Notre Dame physicists are utilizing a new particle accelerator to recreate stellar nuclear processes in the lab. The research complements observational studies of new telescopes, shedding light on cosmic nucleosynthesis processes.
The T2K experiment has detected six muon neutrinos transforming into electron neutrinos during their journey from a Japanese accelerator to a detector. This finding is significant as it may help explain why the universe has more matter than anti-matter.
Researchers at UC Berkeley have achieved the largest observed parity violation in atoms, exceeding previous tests by a factor of 100. Additionally, they measured a non-changing fine structure constant within one part in 1015 per year, setting a goal for further precision.
Physicists have discovered evidence of natural nuclear accelerators at work in the Milky Way galaxy, based on an analysis of data from the world's largest cosmic ray detector. The researchers found that stellar explosions in our own galaxy can accelerate both protons and nuclei, explaining the origin of ultra-high-energy nuclei.
Experiments at CERN and Karlsruhe have clarified the processes affecting osmium-187 abundance, reducing uncertainties in the rhenium-osmium cosmic clock. This allows for a more accurate estimate of our galaxy's age.
UC Riverside physicists involved in the international DZero collaboration have discovered significant violation of matter-antimatter symmetry in B-mesons decays, resulting in a 1% excess of muon pairs over antimuon pairs. This finding points to new physics phenomena that may explain the universe's dominance of matter over antimatter
Scientists have successfully synthesized element 117, a superheavy element with 117 protons, by fusing calcium and berkelium. The short-lived atom is unstable but lives longer than many lighter elements, confirming theories of an island of stability on the periodic table.
Researchers are working on improving the efficiency of superconducting radio frequency (SRF) cavities made of niobium to accelerate beams of subatomic particles in next-generation high-energy physics experiments. This could lead to powerful accelerators that open new frontiers in physics without increasing size.
Wim Leemans, a physicist at the U.S. Department of Energy's Lawrence Berkeley National Laboratory, has won the 2009 E.O. Lawrence Award for his pioneering work in developing laser plasma wakefield accelerator technology. The award recognizes his scientific leadership and innovative contributions to advancing accelerator development.
Researchers at Los Alamos National Laboratory have achieved world-record energies in laser-accelerated particles, accelerating protons to 254 million miles per hour. The technique has potential applications in cancer treatment and is expected to contribute to future advances in modern cancer radiotherapy.
Researchers aim to control electromagnetic forces that can destroy future particle accelerators. They propose two approaches: heavy damping and light damping with detuning, to mitigate the effects of extreme wake fields. Detuning is compared to acoustics, where ringing bells at different frequencies reduces overall sound amplitude.
A team of 28 scientists, led by Ann Heinson, has made the first observation of single-top-quark production in proton-antiproton collisions. This achievement provides crucial clues to solving long-standing mysteries about the universe, particularly in relation to the Higgs boson.
Physicists Mickey Chiu and Hooman Davoudiasl were awarded the Presidential Early Career Award for their innovative research in quantum chromodynamics and theoretical particle physics. Their work aims to understand the substructure of protons and address fundamental problems in the Standard Model.
The U.S. Department of Energy's Thomas Jefferson National Accelerator Facility has received approval for a $310 million project that will double the energy of its accelerated electron beam from 6 GeV to 12 GeV, enabling scientists to study quarks and gluons in unprecedented detail.
Physicists with the CLEO collaboration have confirmed a decades-old prediction by observing a rare and extremely short-lived subatomic particle called charmed-strange meson. The particle decays into a proton and anti-neutron, producing about 10% of all collisions in the accelerator.
Burton Richter, a Nobel laureate in physics, has been awarded the 2007 AAAS Philip Hauge Abelson Prize for his outstanding contributions to research and public policy. The prize recognizes his work on energy and sustainable development, as well as his tireless advocacy for sound science in American government.
Physicists at RHIC have developed a way to measure subtle fluctuations in particle beams and send corrections ahead to smooth out scattering. This technique, called stochastic cooling, aims to recreate the conditions of the early universe, potentially saving time and money.
A new analysis reveals that predicted mass scale for discovering new particles is about one TeV, more than double the previous estimate. This discovery could revolutionize particle physics research.
Researchers are developing new electronics to accurately measure subatomic particles, potentially detecting cancer at an earlier stage. Improved Positron Emission Tomography (PET) technology could lead to better diagnoses and more accurate tumor detection.
Scientists at NSCL and other labs will describe potential effects in astrophysics, medicine, and national security. New isotope creation technology may have far-reaching impact on various fields.