Article describes INCITE award of major time on three supercomputers to PPPL-let team to study the complex edge of fusion plasmas.
Brookhaven Lab's Computational Science Initiative hosted its second hackathon on graphics processing units for accelerating scientific discovery.
The American Physical Society’s Division of Fluid Dynamics 71st Annual Meeting will take place Nov. 18-20 at the Georgia World Congress Center in Atlanta, Georgia. It will be one of the largest conferences in fluid dynamics this year, with more than 3,000 attendees expected from around the world. Journalists are invited to attend the meeting for free. Press registration may be obtained by emailing the American Institute of Physics' Media Line at [email protected].
As you walk away from a campfire on a cool autumn night, you quickly feel colder. The same thing happens in outer space. As it spins, the sun continuously flings hot material into space, out to the furthest reaches of our solar system.
Researchers demonstrated cryogen-free operation of a superconducting radio-frequency cavity that might ease barriers to its use in societal applications.
The first-ever detection of highly energetic radiation from a microquasar has astrophysicists scrambling for new theories to explain the extreme particle acceleration. A microquasar is a black hole that gobbles up debris from a nearby companion star and blasts out powerful jets of material.
Scientists at the U.S. Department of Energy’s Princeton Plasma Physics Laboratory (PPPL) and other laboratories, using data from a NASA four-satellite mission that is studying reconnection, have developed a method for identifying the source of waves that help satellites determine their location in space.
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Scientists improve our understanding of the relationship between fundamental forces by re-creating the earliest moments of the universe.
NYU will be part of the Institute for Research and Innovation in Software for High Energy Physics (IRIS-HEP), a National Science Foundation-backed coalition that will create next-generation cyberinfrastructure to support high-energy physics research.
Today at CERN, the Large Hadron Collider collaborations ATLAS and CMS jointly announced the discovery of the Higgs boson transforming into bottom quarks as it decays. This is predicted to be the most common way for Higgs bosons to decay, yet was a difficult signal to isolate because background processes closely mimic the subtle signal.
The U.S. Department of Energy (DOE) announced $75 million in funding for 77 university research awards on a range of topics in high energy physics to advance knowledge of how the universe works at its most fundamental level.
In two new papers, the MicroBooNE collaboration describes how they use this detector to pick up the telltale signs of neutrinos. The papers include details of the signal processing algorithms that are critical to accurately reconstruct neutrinos’ subtle interactions with atoms in the detector.
Particle physicist Claire Lee is no stranger to the spotlight. Lee's performance background and comfort on stage are advantages when it comes to communicating science in front of large audiences.
Article describes PPPL winner of DOE Early Career Awards.
Using a family of photosynthetic bacteria that commonly live in lakes and seas, researchers at the Technion have developed a technology to generate electricity and hydrogen energy. The researchers believe their technology can serve as a promising source of clean, environment-friendly energy that will not emit pollutants during production or use (hydrogen fuel).
Article describes results of new simulation of magnetic islands.
Scientists recently reexamined data from the MiniBooNE experiment at Fermilab taken between 2009 and 2011, and they found the first direct evidence of mono-energetic neutrinos, or neutrinos with definite energy, that are energetic enough to produce a muon.
The latest in space and astronomy in the Space News Source
Scientists are developing better models that describe both neutrino and antineutrino data, which can offer insights into the nature of the universe.
When whistler waves are present in a fusion plasma, runaway electrons pay attention. A research team led by the Department of Energy’s Oak Ridge National Laboratory is the first to directly observe the elusive waves inside a highly energized magnetic field as electrons zoom around the plasma.
A new result from the Q-weak experiment at the Department of Energy’s Thomas Jefferson National Accelerator Facility provides a precision test of the weak force, one of four fundamental forces in nature. This result, published recently in Nature, also constrains possibilities for new particles and forces beyond our present knowledge.
Article describes effect of ion and electron heating on multiscale turbulence in fusion plasmas.
U.S. Department of Energy (DOE) scientists are collaborating to test a magnetic property of the muon. The experiment could point to the existence of physics beyond our current understanding, including undiscovered particles.
A group of scientists working on the MiniBooNE experiment at the Department of Energy’s Fermilab has reported a breakthrough: They were able to identify exactly-known-energy muon neutrinos hitting the atoms at the heart of their particle detector. The result eliminates a major source of uncertainty when testing theoretical models of neutrino interactions and neutrino oscillations.
Feature describes use of PPPL-provided trim coils to correct W7-X error fields during fusion experiments.
Scientists at PPPL have discovered key conditions that give rise to fast magnetic reconnection, the process that triggers solar flares, auroras, and geomagnetic storms that can disrupt signal transmissions and other electrical activities, including cell phone service.
Researchers at the DIII-D National Fusion Facility used a “reduced physics” fluid model of plasma turbulence to explain unexpected properties of the density profile inside a tokamak experiment. Modeling plasma’s turbulent behavior could help scientists optimize the tokamak performance in future fusion reactors like ITER. They discuss their findings in this week’s Physics of Plasmas.
The Fermi Gamma-ray Burst Monitor (GBM) team was selected by the High Energy Astrophysics Division of the American Astronomical Society as the 2018 recipient of the Rossi Prize. The team was recognized for their role in the first joint detection of gravitational and electromagnetic waves from the same cosmic event – the spectacular smashup of two neutron stars in a distant galaxy.
Just months after completing a nine-year construction project to upgrade its research capabilities, the Department of Energy's Thomas Jefferson National Accelerator Facility has delivered its next technological success: For the first time, the Continuous Electron Beam Accelerator Facility (CEBAF) has delivered electron beams simultaneously to all four experimental halls.
Large-scale simulations of quarks promise precise view of reactions of astrophysical importance.
Rural counties continue to rank lowest among counties across the U.S., in terms of health outcomes. A group of national organizations including the Robert Wood Johnson Foundation and the National 4-H Council are leading the way to close the rural health gap.
Scientists at PPPL have completed new simulations that could provide insight into how blobs at the plasma edge behave. The simulations, produced by a code called XGC1 developed by a national team based at PPPL, performed kinetic simulations of two different regions of the plasma edge simultaneously.
Ms. Rachel Hamburg, a master’s student in UAH’s Department of Space Science and Dr. Péter Veres, a postdoctoral fellow at UAH’s CSPAR, both serve as burst advocates for the GBM Team. As a result, they were two of the first to know of the near-simultaneous detection of gamma rays and gravitational waves from a distant pair of merging neutron stars.
Using first-principles-based simulations, researchers found that an overlooked BKT phase sustained by quasicontinuous symmetry emerges between the ferroelectric and paraelectric phases of ferroelectic ultrathin film,
Iowa State physicists have been part of the search for evidence the Higgs boson, as predicted, most often decays into two bottom quarks. It has been a challenge -- billions of the quarks are produced in the Large Hadron Collider and most aren't tied to the Higgs.
Researchers demonstrate a new technique that could lead to significantly higher power proton beams to answer tough scientific questions.
Agostino “Ago” Marinelli first met pioneering accelerator physicist Claudio Pellegrini as an undergraduate student at the University of Rome. It was 2007, a couple of years before the Linac Coherent Light Source (LCLS) came online at SLAC, and people were abuzz about free-electron laser physics.
Pioneering X-ray experiments at Berkeley Lab's Advanced Light Source (ALS) helped bring to life decades-old theories about exotic topological states of matter, and the ALS continues to play an important role in this flourishing field of research.
When DNA is hit with ultraviolet light, it can lose excess energy from radiation by ejecting the core of a hydrogen atom — a single proton — to keep other chemical bonds in the system from breaking. To gain insight into this process, researchers used X-ray laser pulses from the Linac Coherent Light Source (LCLS) at the Department of Energy’s SLAC National Accelerator Laboratory to investigate how energy from light transforms a relatively simple molecule, 2-thiopyridone.
Seeding x-ray free electron lasers with customized electron beams produces incredibly stable laser pulses that could enable new scientific discoveries.
Researchers built a new technique that uses synchronized high-energy electrons with an ultrafast laser pulse to probe how vibrational states of atoms change in time.
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Sterile neutrinos could be part of the mysterious “dark world,” including the dark matter that makes up about a quarter of the universe. True evidence that sterile neutrinos exist would change our understanding of the universe. This study narrows the search for these particles.
At the world’s most powerful particle physics accelerator, physicists confirmed the Higgs boson production rate. The results match our understanding of how the universe works and will help build the data sets to explore the particles’ properties.
Scientists discovered a new kind of water molecule whose shape has been altered to conform to the symmetry of the environment in which it is trapped.
Berkeley Lab’s Nuclear Data Group is conducting new experiments to address common data needs in nuclear medicine, nuclear energy and fusion R&D, security, and counterproliferation work.
A set of new laser systems and proposed upgrades at Berkeley Lab's BELLA Center will propel long-term plans for a more compact and affordable ultrahigh-energy particle collider.
In a new study from Argonne and the University of Illinois at Chicago, researchers have found a way to convert carbon dioxide into a usable energy source.
An international team working at the Advanced Photon Source at Argonne National Laboratory has devised a method for achieving 1 terapascal of static pressure - vastly higher than any previously reached.
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