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Science

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Nuclear Physics, Physics, Advanced Scientific Computing Research, ASCR, NERSC, OLCF, National Energy Research Scientific Computing Center, Oak Ridge Leadership Computing Facility, Thomas Jefferson National Accelerator Facility, Thomas Jefferson National Accelerator Facility (Jefferson Lab) , JLAB, ORNL, LBNL, Oak Ridge National Laboratory, Lawrence Berk

Physicists Move Closer to Listening in on Sub-Atomic Conversation

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Calculations of a subatomic particle called the sigma provide insight into the communication between subatomic particles deep inside the heart of matter.

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World’s Smallest Neutrino Detector Finds Big Physics Fingerprint

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After more than a year of operation at the Department of Energy’s (DOE’s) Oak Ridge National Laboratory (ORNL), the world’s smallest neutrino detector has found a big fingerprint of the elusive, electrically neutral particles that interact only weakly with matter.

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Black Hole, Black Holes, Nuclear Physics, Nuclear, Active Galactic Nuclei, Simulations, Computer Simulations, Visualizations, 3-D, Space, Physics, Astrophysics, Astronomy

New 3-D Simulations Show How Galactic Centers Cool Their Jets

Scientists at Berkeley Lab and Purdue University developed new theories and 3-D simulations to explain what’s at work in the mysterious jets of energy and matter beaming from the center of galaxies at nearly the speed of light.

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Four ORNL Researchers Receive DOE Early Career Funding Awards

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Four Oak Ridge National Laboratory researchers specializing in nuclear physics, fusion energy, advanced materials and environmental science are among 59 recipients of Department of Energy’s Office of Science Early Career Research Program awards.

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Corona, SUN, solar coronal plasma, chaotic magnetic field line, coronal plasma, chaoticity, Chaos, Sanjay Kumar, R. Bhattacharyya, B. Dasgupta, M.S. Janaki, Physical Research Laboratory, University of Alabama in Huntsville, Saha Institute of Nuclear Physics

Chaotic Magnetic Field Lines May Answer the Coronal Heating Problem

It is known that the sun’s corona is roughly 100 times hotter than its photosphere -- the sun’s visible layer. The reason for this mysterious heating of the solar coronal plasma, however, is not yet entirely understood. A research team in India has developed a set of numerical computations to shed light on this phenomenon, and present this week in Physics of Plasmas, analysis examining the role of chaotic magnetic fields in potential heating mechanisms.

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National Ignition Facility, inertial confinement fusion, Nuclear, nuclear reactions, Nucleosynthesis, SUN, Stellar, Stars

Scientists Probe Conditions of Stellar Interiors to Measure Nuclear Reactions

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Most of the nuclear reactions that drive the nucleosynthesis of the elements in our universe occur in very extreme stellar plasma conditions. This intense environment found in the deep interiors of stars has made it nearly impossible for scientists to perform nuclear measurements in these conditions – until now. In a unique cross-disciplinary collaboration between the fields of plasma physics, nuclear astrophysics and laser fusion, a team of researchers including scientists from Lawrence Livermore National Laboratory (LLNL), Ohio University, the Massachusetts Institute of Technology (MIT) and Los Alamos National Laboratory (LANL), describe experiments performed in conditions like those of stellar interiors. The team’s findings were published today by Nature Physics.

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Nuclear Physics, Nuclear Science, Isotopes, Los Alamos National Laboratory, LANL, Nuclear Medicine, Journal of Chromatography A, Nuclear Medicine and Biology, Titanium, titanium isotopes, scandium, isotope generators, isotope harvesting, Isotope, Chromatography, Radiochemistry, BNL, Brookhaven National Laboratory, Brookhaven Nat'l Laboratory, Brookhaven Nati

How to Keep a Vital Diagnostic Isotope in Stock

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Researchers succeed in producing larger quantities of a long-lived radioisotope, titanium-44, that generates a needed isotope, scandium-44g, on demand.

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Nuclear Physics, vorticity, quark gluon plasma, RHIC, STAR detector

'Perfect Liquid' Quark-Gluon Plasma Is the Most Vortical Fluid

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Particle collisions recreating the quark-gluon plasma (QGP) that filled the early universe reveal that droplets of this primordial soup swirl far faster than any other fluid. The new analysis from the Relativistic Heavy Ion Collider (RHIC) shows that the "vorticity" of the QGP surpasses the whirling fluid dynamics of super-cell tornado cores and Jupiter's Great Red Spot, and even beats out the fastest spin record held by nanodroplets of superfluid helium.

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Nuclear Energy, Nuclear Reactor, nuclear bomb, Nuclear

Physics Researchers Eye Experimental Box as Key to Tracking Nuclear Activity by Rogue Nations

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Researchers at the Virginia Tech College of Science are carrying out a research project at Dominion Power’s North Anna Nuclear Generating Station in Virginia that could lead to a new turning point in how the United Nations tracks rogue nations that seek nuclear power.

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molten salt, Molten salt reactor, MSR, Nuclear, Nuclear Energy, Nuclear Power, Nuclear Reactor, advanced reactor

ORNL’s Qualls Tapped for Key New Reactor Development Position

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The Department of Energy’s Office of Nuclear Energy has selected Lou Qualls as the national technical director for molten salt reactors (MSRs). In his new role, Qualls—a nuclear engineer who joined DOE’s Oak Ridge National Laboratory in 1988—will serve as a liaison among the nuclear industry, the national laboratory system and DOE in defining the future of MSR technology in the United States.







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