Nuclear Physics

Oak Ridge National Laboratory researchers used the nation’s fastest supercomputer to map the molecular vibrations of an important but little-studied uranium compound produced during the nuclear fuel cycle for results …
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Computational users at the Oak Ridge Leadership Computing Facility (OLCF) are running scientific codes on Frontier’s architecture in the form of a powerful test system at the OLCF called Crusher.

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Using the power of the Summit supercomputer, researchers at the US Department of Energy’s (DOE’s) Oak Ridge National Laboratory (ORNL) and the University of Tennessee, Knoxville, have verified the results …
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OAK RIDGE, Tenn., March 11, 2019—An international collaboration including scientists at the Department of Energy’s (DOE’s) Oak Ridge National Laboratory (ORNL) solved a 50-year-old puzzle that explains why beta decays …
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This article is part of a series covering the finalists for the 2018 Gordon Bell Prize that used the Summit supercomputer. The prize winner will be announced at SC18 in November …
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Using the Titan supercomputer at the Oak Ridge Leadership Computing Facility (OLCF), a team of researchers has calculated a fundamental property of protons and neutrons, known as the nucleon axial …
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The beginnings of quantum computing bring about many firsts. In 2010 a team led by B. P. Lanyon simulated a hydrogen molecule, H2, on a quantum system for the first …
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Where do elements come from? How does the strong force bind subatomic particles into nuclei? What can scientists understand from nuclei with unusual proton–neutron ratios? Nuclear physicists at the US …
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Nuclear physicists are using the nation’s most powerful supercomputer, Titan, at the Oak Ridge Leadership Computing Facility (OLCF) to study particle interactions important to energy production in the Sun and …
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The study of the atomic nucleus is important to both the subatomic world of particle physics and hands-on research in the nuclear, chemical, and materials sciences. By simulating nuclei using …
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While trying to fatten the atom in 1938, German chemist Otto Hahn accidentally split it instead. This surprising discovery put modern science on the fast track to the atomic age …
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For decades nuclear physicists have tried to learn more about which elements, or their various isotopes, are “magic.”

This is not to say that they display supernatural powers. Magic atomic …
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The US Department of Energy (DOE) Office of Science has awarded nearly 1 billion processor hours to 22 projects at the Oak Ridge Leadership Computing Facility (OLCF)— a DOE Office …
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A team led by James Vary of Iowa State University leveraged Titan to simulate clusters of neutrons called “neutron drops” to understand their properties better.
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Two prominent OLCF users were recently named UT-Battelle Corporate Fellows.
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Members of the USQCD converged on ORNL April 29–30 to discuss their exploration of the strong nuclear force and the computing resources that will keep that exploration moving forward.
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