no code implementations • 4 Dec 2021 • Amber Boehnlein, Markus Diefenthaler, Cristiano Fanelli, Morten Hjorth-Jensen, Tanja Horn, Michelle P. Kuchera, Dean Lee, Witold Nazarewicz, Kostas Orginos, Peter Ostroumov, Long-Gang Pang, Alan Poon, Nobuo Sato, Malachi Schram, Alexander Scheinker, Michael S. Smith, Xin-Nian Wang, Veronique Ziegler
Advances in machine learning methods provide tools that have broad applicability in scientific research.
1 code implementation • 10 May 2020 • Nolan Miller, Henry Monge-Camacho, Chia Cheng Chang, Ben Hörz, Enrico Rinaldi, Dean Howarth, Evan Berkowitz, David A. Brantley, Arjun Singh Gambhir, Christopher Körber, Christopher J. Monahan, M. A. Clark, Bálint Joó, Thorsten Kurth, Amy Nicholson, Kostas Orginos, Pavlos Vranas, André Walker-Loud
We report the results of a lattice quantum chromodynamics calculation of $F_K/F_\pi$ using M\"{o}bius domain-wall fermions computed on gradient-flowed $N_f=2+1+1$ highly-improved staggered quark (HISQ) ensembles.
High Energy Physics - Lattice High Energy Physics - Experiment High Energy Physics - Phenomenology Nuclear Theory
1 code implementation • 3 Oct 2018 • Evan Berkowitz, M. A. Clark, Arjun Gambhir, Ken McElvain, Amy Nicholson, Enrico Rinaldi, Pavlos Vranas, André Walker-Loud, Chia Cheng Chang, Bálint Joó, Thorsten Kurth, Kostas Orginos
The fundamental particle theory called Quantum Chromodynamics (QCD) dictates everything about protons and neutrons, from their intrinsic properties to interactions that bind them into atomic nuclei.
High Energy Physics - Lattice Distributed, Parallel, and Cluster Computing Nuclear Theory Computational Physics C.1.4; D.1.3
2 code implementations • 30 May 2018 • Chia Cheng Chang, Amy Nicholson, Enrico Rinaldi, Evan Berkowitz, Nicolas Garron, David A. Brantley, Henry Monge-Camacho, Christopher J. Monahan, Chris Bouchard, M. A. Clark, Bálint Joó, Thorsten Kurth, Kostas Orginos, Pavlos Vranas, André Walker-Loud
The $\textit{axial coupling of the nucleon}$, $g_A$, is the strength of its coupling to the $\textit{weak}$ axial current of the Standard Model of particle physics, in much the same way as the electric charge is the strength of the coupling to the electromagnetic current.
High Energy Physics - Lattice High Energy Physics - Experiment High Energy Physics - Phenomenology Nuclear Experiment Nuclear Theory
3 code implementations • 26 Jan 2017 • Evan Berkowitz, Chris Bouchard, Chia Cheng Chang, M. A. Clark, Balint Joo, Thorsten Kurth, Christopher Monahan, Amy Nicholson, Kostas Orginos, Enrico Rinaldi, Pavlos Vranas, Andre Walker-Loud
We report on salient features of a mixed lattice QCD action using valence M\"{o}bius domain-wall fermions solved on the dynamical $N_f=2+1+1$ HISQ ensembles generated by the MILC Collaboration.
High Energy Physics - Lattice High Energy Physics - Phenomenology Nuclear Theory
no code implementations • 21 Dec 2016 • Chris Bouchard, Chia Cheng Chang, Thorsten Kurth, Kostas Orginos, Andre Walker-Loud
The Feynman-Hellmann theorem can be derived from the long Euclidean-time limit of correlation functions determined with functional derivatives of the partition function.
High Energy Physics - Lattice High Energy Physics - Phenomenology Nuclear Theory
no code implementations • 20 Jan 2010 • LHPC Collaboration, Jonathan D. Bratt, Robert G. Edwards, Michael Engelhardt, Philipp Hagler, Huey-Wen Lin, Mei-Feng Lin, Harvey B. Meyer, Bernhard Musch, John W. Negele, Kostas Orginos, Andrew V. Pochinsky, Massimiliano Procura, David G. Richards, Wolfram Schroers, Sergey N. Syritsyn
We present high statistics results for the structure of the nucleon from a mixed-action calculation using 2+1 flavors of asqtad sea and domain wall valence fermions.
High Energy Physics - Lattice High Energy Physics - Phenomenology