Search Results for author: David A. Brantley

Found 4 papers, 3 papers with code

$F_K / F_π$ from Möbius domain-wall fermions solved on gradient-flowed HISQ ensembles

1 code implementation10 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

A percent-level determination of the nucleon axial coupling from Quantum Chromodynamics

2 code implementations30 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

Strong isospin violation and chiral logarithms in the baryon spectrum

no code implementations22 Dec 2016 David A. Brantley, Balint Joo, Ekaterina V. Mastropas, Emanuele Mereghetti, Henry Monge-Camacho, Brian C. Tiburzi, Andre Walker-Loud

The nucleon mass splitting is then determined as a function of the pion mass.

High Energy Physics - Lattice High Energy Physics - Phenomenology Nuclear Theory

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