715 citations · 2.4k across the 32 of their papers we have counts for
30 papers · 1 filter
from Möbius domain-wall fermions solved on gradient-flowed HISQ ensembles
Nolan Miller, Henry Monge-Camacho, Chia Cheng Chang +15
We report the results of a lattice quantum chromodynamics calculation of using Möbius domain-wall fermions computed on gradient-flowed highly-improved stagger…
Lattice QCD Determination of
André Walker-Loud, Evan Berkowitz, David A. Brantley +13
The nucleon axial coupling, , is a fundamental property of protons and neutrons, dictating the strength with which the weak axial current of the Standard Model couples to nucl…
The Stochastic Feynman-Hellmann Method
Arjun Singh Gambhir, Evan Berkowitz, David Brantley +7
The Feynman-Hellmann method, as implemented by Bouchard et al. [1612.06963], was recently employed successfully to determine the nucleon axial charge. A limitation of the method wa…
Short Range Operator Contributions to decay from LQCD
Henry Monge-Camacho, Evan Berkowitz, David Brantley +11
The search for neutrinoless double beta decay of nuclei is believed to be one of the most promising means to search for new physics. Observation of this very rare nuclear process,…
Progress in Multibaryon Spectroscopy
Evan Berkowitz, David Brantley, Kenneth McElvain +9
Anchoring the nuclear interaction in QCD is a long-outstanding problem in nuclear physics. While the lattice community has made enormous progress in mesonic physics and single nucl…
Symmetries and Interactions from Lattice QCD
A. Nicholson, E. Berkowitz, H. Monge-Camacho +12
Precision experimental tests of the Standard Model of particle physics (SM) are one of our best hopes for discovering what new physics lies beyond the SM (BSM). Key in the search f…
Simulating the weak death of the neutron in a femtoscale universe with near-Exascale computing
Evan Berkowitz, M. A. Clark, Arjun Gambhir +9
The fundamental particle theory called Quantum Chromodynamics (QCD) dictates everything about protons and neutrons, from their intrinsic properties to interactions that bind them i…
A percent-level determination of the nucleon axial coupling from Quantum Chromodynamics
Chia Cheng Chang, Amy Nicholson, Enrico Rinaldi +12
The , , is the strength of its coupling to the axial current of the Standard Model of particle physics, in much the sam…
Nucleon axial coupling from Lattice QCD
Chia Cheng Chang, Amy Nicholson, Enrico Rinaldi +12
We present state-of-the-art results from a lattice QCD calculation of the nucleon axial coupling, , using Möbius Domain-Wall fermions solved on the dynamical …
Calm Multi-Baryon Operators
Evan Berkowitz, Amy Nicholson, Chia Cheng Chang +6
Outstanding problems in nuclear physics require input and guidance from lattice QCD calculations of few baryons systems. However, these calculations suffer from an exponentially ba…
An accurate calculation of the nucleon axial charge with lattice QCD
Evan Berkowitz, David Brantley, Chris Bouchard +12
We report on a lattice QCD calculation of the nucleon axial charge, , using Möbius Domain-Wall fermions solved on the dynamical HISQ ensembles after they are smear…
Möbius domain-wall fermions on gradient-flowed dynamical HISQ ensembles
Evan Berkowitz, Chris Bouchard, Chia Cheng Chang +9
We report on salient features of a mixed lattice QCD action using valence Möbius domain-wall fermions solved on the dynamical HISQ ensembles generated by the MILC Colla…
On the Feynman-Hellmann Theorem in Quantum Field Theory and the Calculation of Matrix Elements
Chris Bouchard, Chia Cheng Chang, Thorsten Kurth +2
The Feynman-Hellmann theorem can be derived from the long Euclidean-time limit of correlation functions determined with functional derivatives of the partition function. Using this…
Neutrinoless double beta decay from lattice QCD
Amy Nicholson, Evan Berkowitz, Chia Cheng Chang +7
While the discovery of non-zero neutrino masses is one of the most important accomplishments by physicists in the past century, it is still unknown how and in what form these masse…
Two-nucleon scattering in multiple partial waves
Amy Nicholson, Evan Berkowitz, Enrico Rinaldi +5
We determine scattering phase shifts for S,P,D, and F partial wave channels in two-nucleon systems using lattice QCD methods. We use a generalization of Luscher's finite volume met…
Nuclear Parity Violation from Lattice QCD
Thorsten Kurth, Evan Berkowitz, Enrico Rinaldi +4
The electroweak interaction at the level of quarks and gluons are well understood from precision measurements in high energy collider experiments. Relating these fundamental parame…
Two-Nucleon Higher Partial-Wave Scattering from Lattice QCD
Evan Berkowitz, Thorsten Kurth, Amy Nicholson +5
We present a determination of nucleon-nucleon scattering phase shifts for l >= 0. The S, P, D and F phase shifts for both the spin-triplet and spin-singlet channels are computed wi…
Lattice QCD at the physical point meets SU(2) chiral perturbation theory
Stephan Durr, Zoltan Fodor, Christian Hoelbling +9
We perform a detailed, fully-correlated study of the chiral behavior of the pion mass and decay constant, based on 2+1 flavor lattice QCD simulations. These calculations are implem…
Phase shifts in I=2 ππ-scattering from two lattice approaches
T. Kurth, N. Ishii, T. Doi +2
We present a lattice QCD study of the phase shift of scattering on the basis of two different approaches: the standard finite volume approach by Luscher and the recent…
High-precision scale setting in lattice QCD
S. Borsanyi, S. Durr, Z. Fodor +8
Scale setting is of central importance in lattice QCD. It is required to predict dimensional quantities in physical units. Moreover, it determines the relative lattice spacings of…
Systematic errors in partially-quenched QCD plus QED lattice simulations
Antonin Portelli, Stephan Dürr, Zoltán Fodor +9
At the precision reached in current lattice QCD calculations, electromagnetic effects are becoming numerically relevant. Here, electromagnetic effects are included by superimposing…
Sigma term and strangeness content of octet baryons
S. Durr, Z. Fodor, T. Hemmert +11
By using lattice QCD computations we determine the sigma terms and strangeness content of all octet baryons by means of an application of the Hellmann-Feynman theorem. In addition…
Spectra of heavy-light and heavy-heavy mesons containing charm quarks, including higher spin states for
G. Bali, S. Collins, S. Durr +18
We study the spectra of heavy-light and heavy-heavy mesons containing charm quarks, including higher spin states. We use two sets of gauge configurations, one set fro…
Precision computation of the kaon bag parameter
S. Durr, Z. Fodor, C. Hoelbling +8
Indirect CP violation in K \rightarrow ππ decays plays a central role in constraining the flavor structure of the Standard Model (SM) and in the search for new physics. For many ye…