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Nuclear Physics
Neutron-antineutron oscillations from lattice QCD
Fundamental symmetry tests of baryon number violation in low-energy experiments can probe beyond the standard model (BSM) explanations of the matter-antimatter asymmetry of the Universe. Neutron-antineutron oscillations are predicted to be a signature of many baryogenesis mechanisms involving low-scale baryon number violation. This publication presents first-principles calculations of neutron-antineutron matrix elements needed to accurately understand measurements of the neutron-antineutron oscillation rate.
Enrico Rinaldi
,
Sergey Syritsyn
,
Michael L. Wagman
,
Michael I. Buchoff
,
Chris Schroeder
,
Joseph Wasem
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The neutron lifetime with near-Exascale computing.
The fundamental particle theory called Quantum Chromodynamics (QCD) dictates everything about protons and neutrons, from their …
Jan 7, 2019 11:00 AM — 12:00 PM
Computational Science Initiative, Brookhaven National Laboratory
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First-principles lattice QCD calculation of the neutron lifetime.
Jul 6, 2018 2:00 PM — 2:20 PM
Seoul, Korea
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A per-cent-level determination of the nucleon axial coupling from quantum chromodynamics
For the first time we directly calculate a fundamental property of the neutron from the equations of quantum chromodynamics without relying on experimental measurements. We reach a sub-percent precision, many years ahead of what was previously conceived, thanks to a new algorithmical improvement to reduce the stochastic noise in our calculation.
Chia Cheng Chang
,
Amy Nicholson
,
Enrico Rinaldi
,
Evan Berkowitz
,
Nicolas Garron
,
David Brantley
,
Henry Monge-Camacho
,
Christopher Monahan
,
Chris Bouchard
,
M. A. Clark
,
Balint Joo
,
Thorsten Kurth
,
Kostas Orginos
,
Pavlos Vranas
,
Andre Walker-Loud
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Nuclear Physics from Lattice QCD
Understand the properties of hadrons from the fundamental theory of quarks and gluons (QCD).
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Nucleon Higher Partial-Wave Scattering from Lattice QCD.
Nucleon-nucleon scattering phase shifts in higher partial waves from Lattice QCD simulations at heavy pion masses.
Enrico Rinaldi
,
Evan Berkowitz
,
Thorsten Kurth
,
Amy Nicholson
,
Balint Joo
,
Mark Strother
,
Pavlos M. Vranas
,
Andre Walker-Loud
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