news, journals and articles from all over the world.
New international partnership between San Diego Supercomputer Center and particle physics powerhouse CERN leverages alliance with Strategic Blue, a UK-based Fintech company that helps organizations optimize procurement of cloud services.
They may be tiny weapons, but Brigham Young University’s holography research group has figured out how to create lightsabers — green for Yoda and red for Darth Vader, naturally — with actual luminous beams rising from them.
Dan Melconian is developing new techniques and new equipment to test our current theory of electroweak interactions. Comparison of these precision measurements to theoretical predictions will either confirm the Standard Model to a higher degree or point to a New Standard Model.
An international team has performed one of the world’s most sensitive laboratory searches for a hypothetical subatomic particle called the “sterile neutrino.” The novel experiment uses radioactive beryllium-7 atoms created at the TRIUMF facility in Canada. The research team then implants these atoms into sensitive superconductors cooled to near absolute-zero.
Pions consist of a quark paired to an antiquark and are the lightest particles to experience the strong force. But until recently scientists did not understand pions’ internal structure because of their short lifespan. Now, an advance in supercomputer calculations using lattice Quantum Chromodynamics may allow scientists to provide an accurate and precise description of pion structure for the first time.
Swansea University physicists, as leading members of the ALPHA collaboration at CERN, have demonstrated laser cooling of antihydrogen atoms for the first time.
A new project at the U.S. Department of Energy’s Thomas Jefferson National Accelerator Facility will use a quantum simulator to model experiments at the Electron-Ion Collider. This device uses quantum computing to simulate carefully crafted models of experiments that are being proposed for the collider.
Microswimmers are artificial, self-propelled, microscopic particles.
Imperial physicists are part of a team that has announced ‘intriguing’ results that potentially cannot be explained by our current laws of nature.
Particle physicists are at the forefront for pioneering low-cost, mass-producible ventilators to help address the worldwide shortage. An international, interdisciplinary team spearheaded one such effort and presents the design in Physics of Fluids. The ventilator consists of a gas inlet valve and a gas outlet valve, with controls and alarms to ensure proper monitoring and customizability from patient to patient. The design is built from readily available parts and is presented under an open license.
Lena Funcke, a theoretical physicist who conducts research at the intersection of fundamental particles, the cosmos, and quantum computing, has been named a recipient of the Leona Woods Distinguished Postdoctoral Lectureship Award by the Physics Department at the U.S. Department of Energy’s Brookhaven National Laboratory.
he U.S. Department of Energy (DOE) today announced $18 million in new funding to advance particle accelerator technology, a critical tool for discovery sciences and optimizing the way we treat medical patients, manufacture electronics and clean energy technologies, and defend the nation against security threats.
Normally, electron antineutrino would zip right through the Earth at the speed of light as if it weren’t even there. But this particle just so happened to smash into an electron deep inside the South Pole’s glacial ice, and was caught by the IceCube Neutrino Observatory. This enabled IceCube to make the first ever detection of a Glashow resonance event, a phenomenon predicted 60 years ago by Nobel laureate physicist Sheldon Glashow.
With this detection, scientists provided another confirmation of the Standard Model of particle physics. It also further demonstrated the ability of IceCube, which detects nearly massless particles called neutrinos using thousands of sensors embedded in the Antarctic ice, to do fundamental physics. The result was published March 10 in Nature.
Scientists can now study the strong force with a novel method of accessing the space between protons and neutrons within a nucleus. The first direct probes have tested the validity of leading theories that describe the interactions between protons and neutrons in nuclei. This research confirms that current theoretical models describe the behavior of protons and neutrons quite well.
The results of a new experiment could shift research of the proton by reviving previously discarded theories of its inner workings.
Berkeley Lab researchers participated in a study that used machine learning to scan for new particles in three years of particle-collision data from CERN’s ATLAS detector.
A major injector upgrade at the U.S. Department of Energy’s Thomas Jefferson National Accelerator Facility was well underway early last year when the pandemic hit, throwing scientists and their long-anticipated project for a loop. Literally overnight, they had to leave their desks, control room and colleagues behind and rapidly learn how to work together from the confines of their own homes.
Iowa State high-energy physicists Chunhui Chen, Jim Cochran and Soeren Prell have moved their research from the Large Hadron Collider in Europe to the Belle II experiment in Japan. It’s a chance to search for new physics at the intensity frontier of more and more particle collisions.
PNNL’s Jan Strube and colleagues from Germany and Japan outline the future of particle physics research using linear colliders, which could improve our understanding of dark matter and help answer fundamental questions about the universe.
A team of researchers at Lawrence Berkeley National Laboratory (Berkeley Lab) used a quantum computer to successfully simulate an aspect of particle collisions that is typically neglected in high-energy physics experiments, such as those that occur at CERN’s Large Hadron Collider.
Using the nation’s fastest supercomputer, Summit at Oak Ridge National Laboratory, a team of nuclear physicists developed a promising method for measuring quark interactions in hadrons and applied the method to simulations using quarks with close-to-physical masses.
Artificial intelligence is a game-changer in nuclear physics, able to enhance and accelerate fundamental research and analysis by orders of magnitude. DOE’s Jefferson Lab is exploring the expanding synergy between nuclear physics and computer science as it co-hosts together with The Catholic University of America and the University of Maryland a virtual weeklong series of lectures and hands-on exercises Jan. 11-15 for graduate students, postdoctoral researchers and even “absolute beginners.”
The COVID-19 pandemic has turned workplaces everywhere upside down, prompting countless brainstorming sessions on how to make work environments safer or whether jobs might be done just as well from home. Jefferson Lab technical designer Mindy Leffel says working from home during the pandemic has been a learning process, but has only motivated her to prove herself.
Operators of Jefferson Lab’s primary particle accelerator are getting a new tool to help them quickly address issues that can prevent it from running smoothly. The machine learning system has passed its first two-week test, correctly identifying glitchy accelerator components and the type of glitches they’re experiencing in near-real-time. An analysis of the results of the first field test of the custom-built machine learning system was recently published in the journal Physical Review Accelerators and Beams.
Led by the Department of Energy’s Oak Ridge National Laboratory, a new study clears up a discrepancy regarding the biggest contributor of unwanted background signals in specialized detectors of neutrinos.
Berkeley Lab has a long history of participating in neutrino experiments and discoveries in locations ranging from a site 1.3 miles deep at a nickel mine in Ontario, Canada, to an underground research site near a nuclear power complex northeast of Hong Kong, and a neutrino observatory buried in ice near the South Pole.
Large data sets require software specifically written to increase precision. Christian Bauer develops that software for new physics discoveries.
Borrowing a page from high-energy physics and astronomy textbooks, a team of physicists and computer scientists at Berkeley Lab has successfully adapted and applied a common error-reduction technique to the field of quantum computing.
A phenomenon of quantum mechanics known as superposition can impact timekeeping in high-precision clocks, according to a theoretical study from Dartmouth College, Saint Anselm College and Santa Clara University.
A graduate student who will work with theorists at Jefferson Lab to better understand subatomic particles has received a supplemental research award from the DOE Office of Science Graduate Student Research Program.
At the Department of Energy’s SLAC National Accelerator Laboratory, machine learning is opening new avenues to advance the lab’s unique scientific facilities and research.
Four researchers who are affiliated with the U.S. Department of Energy’s Thomas Jefferson National Accelerator Facility have been selected by their professional peers for the distinct honor of Fellow of the American Physical Society.
Through a one-of-a-kind experiment at Oak Ridge National Laboratory, nuclear physicists have precisely measured the weak interaction between protons and neutrons. The result quantifies the weak force theory as predicted by the Standard Model of Particle Physics.
Widely recognized for his work in accelerator beam physics, Shiltsev is one of 361 individuals elected to Academia Europaea, which promotes a wider appreciation of the value of European scholarship and research.
An international collaboration of theoretical physicists has published a new calculation relevant to the search for an explanation of the predominance of matter over antimatter in our universe. The new calculation gives a more accurate prediction for the likelihood with which kaons decay into a pair of electrically charged pions vs. a pair of neutral pions.
In a new study from Argonne, researchers have measured important beam properties that will help scientists develop more focused beams for high-impact science.
The airborne transmission of the coronavirus SARS-CoV-2 via aerosol particles in indoor environment seems to be strongly influenced by relative humidity.
Hadrons are elusive superstars of the subatomic world, making up almost all visible matter, and British theoretical physicist Antoni Woss has worked diligently with colleagues at the U.S. Department of Energy’s Thomas Jefferson National Accelerator Facility to get to know them better. Now, Woss’ doctoral thesis on spinning hadrons has earned him the 2019 Jefferson Science Associates Thesis Prize.
Natalie Roe, who joined Lawrence Berkeley National Laboratory (Berkeley Lab) as a postdoctoral fellow in 1989 and has served as Physics Division director since 2012, has been named the Lab’s Associate Laboratory Director (ALD) for the Physical Sciences Area. Her appointment was approved by the University of California. The announcement follows an international search.
A new study dives into a decades-old discrepancy from a Standard Model of particle physics pillar known as “lepton flavor universality,” and provides strong evidence to resolve it.
Cynthia Keppel has been named a DOE Office of Science Distinguished Scientist Fellow. Based at DOE’s Thomas Jefferson National Accelerator Facility, she is one of three DOE National Laboratory scientist fellows who will receive $1 million to devote to developing better detectors for science and medicine.
A team of Argonne scientists has devised a machine learning algorithm that calculates, with low computational time, how the ATLAS detector in the Large Hadron Collider would respond to the ten times more data expected with a planned upgrade in 2027.
Nuclear physicists have announced the most precise measurement yet of the ultra-short lifetime of the neutral pion. The result is an important validation of our understanding of the theory of quantum chromodynamics, which describes the makeup of ordinary matter. The research, carried out at the Department of Energy’s Thomas Jefferson National Accelerator Facility, was recently published in the journal Science.
Fermilab’s popular outreach program for high school students, started in 1980, takes full advantage of modern technology to reach a broader audience. Recordings now are available online.
Marjorie Shapiro, an experimental particle physicist and faculty senior scientist at Berkeley Lab, has been accustomed to working remotely and observing extreme social distancing from some colleagues for years, given that the scientific experiment she supports is 5,800 miles away.
An international team of theoretical physicists have published their calculation of the anomalous magnetic moment of the muon. Their work expands on an equation that revolutionized physics almost a century ago and that may aid scientists in the discovery of physics beyond the Standard Model.
Three graduate students have gotten a financial boost from DOE to conduct research at the Department of Energy’s Thomas Jefferson National Accelerator Facility. The students have received supplemental research awards from the DOE Office of Science Graduate Student Research Program.
A precision measurement of helium and hydrogen mirror isotopes reveals new questions in understanding of nuclear structure. The research, carried out at the Department of Energy’s Thomas Jefferson National Accelerator Facility, was recently published as an editors’ suggested read in Physical Review Letters.
For two decades, physicists have been trying to reconcile a gap between theoretical and experimental data on a particle called the muon. A new study, powered by Argonne’s supercomputer Mira, sharpens one piece of the puzzle.