Publications (39)
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…
Elastic nucleon-pion scattering at from lattice QCD
John Bulava, Andrew D. Hanlon, Ben Hörz +6
Elastic nucleon-pion scattering amplitudes are computed using lattice QCD on a single ensemble of gauge field configurations with dynamical quark flavors and $m_Ï…
Di-nucleons do not form bound states at heavy pion mass
John Bulava, M. A. Clark, Arjun S. Gambhir +16
We perform a high-statistics lattice QCD calculation of the low-energy two-nucleon scattering amplitudes. In order to address discrepancies in the literature, the calculation is pe…
Neutrinoless Double-Beta Decay: A Roadmap for Matching Theory to Experiment
Vincenzo Cirigliano, Zohreh Davoudi, Wouter Dekens +16
The observation of neutrino oscillations and hence non-zero neutrino masses provided a milestone in the search for physics beyond the Standard Model. But even though we now know th…
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 stagg…
Towards grounding nuclear physics in QCD
Christian Drischler, Wick Haxton, Kenneth McElvain +4
Exascale computing could soon enable a predictive theory of nuclear structure and reactions rooted in the Standard Model, with quantifiable and systematically improvable uncertaint…
Two-nucleon S-wave interactions at the flavor-symmetric point with : a first lattice QCD calculation with the stochastic Laplacian Heaviside method
Ben Hörz, Dean Howarth, Enrico Rinaldi +11
We report on the first application of the stochastic Laplacian Heaviside method for computing multi-particle interactions with lattice QCD to the two-nucleon system. Like the Lapla…
Lattice QCD study of scattering and the resonance
John Bulava, Bárbara Cid-Mora, Andrew D. Hanlon +8
A lattice QCD computation of the coupled channel scattering amplitudes in the region is detailed. Results are obtained using a single ensemble of gauge f…
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…
The hyperon spectrum from lattice QCD
Nolan Miller, Grant Bradley, M. A. Clark +8
Hyperon decays present a promising alternative for extracting from lattice QCD combined with experimental measurements. Currently is deter…
Determining universal spectra from probability distributions
Charles Kacir, Joseph Moscoso, Amy Nicholson +2
The probability distribution of a two-particle correlation function computed over background auxiliary field configurations, used to generate the interactions, has been shown to in…
Progress on Meson-Baryon Scattering
Colin Morningstar, John Bulava, Andrew D. Hanlon +5
Progress in computing various meson-baryon scattering amplitudes is presented on a single ensemble from the Coordinated Lattice Simulations (CLS) consortium with MeV and…
Nucleon Axial Form Factor from Domain Wall on HISQ
Aaron S. Meyer, Evan Berkowitz, Chris Bouchard +10
The Deep Underground Neutrino Experiment (DUNE) is an upcoming neutrino oscillation experiment that is poised to answer key questions about the nature of neutrinos. Lattice QCD has…
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 $N_f = 2 + 1 + 1…
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 smea…
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,…
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…
as a precision test of a new four flavor Domain Wall Fermion action
Renwick J. Hudspith, Nicolas Garron, Zack Hall +12
We present a new set of lattice QCD ensembles with four flavors of smeared Möbius Domain Wall Fermions with good chiral symmetry and small fifth-dimensional extent. A modest amoun…
Nuclear Forces for Precision Nuclear Physics -- a collection of perspectives
Ingo Tews, Zohreh Davoudi, Andreas Ekström +42
This is a collection of perspective pieces contributed by the participants of the Institute of Nuclear Theory's Program on Nuclear Physics for Precision Nuclear Physics which was h…
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…
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…
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…
Preliminary study of the dibaryon in lattice QCD
André Baião Raposo, John Bulava, Jeremy R. Green +9
We present preliminary results on the , dibaryon in QCD. The calculation is performed with heavier-than-physical quarks ( MeV) on a…
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…
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…
Signs of Non-Monotonic Finite-Volume Corrections to
Zack B. Hall, Dimitra A. Pefkou, Aaron S. Meyer +10
We study finite-volume (FV) corrections to determinations of via lattice quantum chromodynamics (QCD) using analytic results and numerical analysis. We observe that H…
Two-pole nature of the from lattice QCD
John Bulava, Bárbara Cid-Mora, Andrew D. Hanlon +8
This letter presents the first lattice QCD computation of the coupled channel scattering amplitudes at energies near . These amplitudes contain the…
The from Lattice QCD: Determining the Finite-volume Spectra
John Bulava, Bárbara Cid-Mora, Andrew D. Hanlon +8
This work presents technical details of determining the finite-volume energy spectra for the scattering amplitude of the coupled-channel from lattice QCD data. The…
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 Coll…
Detailed analysis of excited state systematics in a lattice QCD calculation of
Jinchen He, David A. Brantley, Chia Cheng Chang +14
Excited state contamination remains one of the most challenging sources of systematic uncertainty to control in lattice QCD calculations of nucleon matrix elements and form factors…
Low-lying baryon resonances from lattice QCD
John Bulava, Barbara Cid-Mora, Andrew D. Hanlon +8
Recent results studying the masses and widths of low-lying baryon resonances in lattice QCD are presented. The -wave scattering lengths for both total isospins a…
Lattice QCD studies of the baryon resonance and the and meson resonances: the role of exotic operators in determining the finite-volume spectrum
John Bulava, Danny Darvish, Andrew D. Hanlon +7
Studies of the baryon resonance and the and meson resonances using lattice QCD for pion masses near 200 MeV are presented. The -wave sc…
Report of the Snowmass 2021 Topical Group on Lattice Gauge Theory
Zohreh Davoudi, Ethan T. Neil, Christian W. Bauer +35
Lattice gauge theory continues to be a powerful theoretical and computational approach to simulating strongly interacting quantum field theories, whose applications permeate almost…
Lattice QCD Inputs for Nuclear Double Beta Decay
Vincenzo Cirigliano, William Detmold, Amy Nicholson +1
Second order beta-decay processes with and without neutrinos in the final state are key probes of nuclear physics and of the nature of neutrinos. Neutrinoful double-beta decay is t…
Low energy scattering phase shifts for meson-baryon systems
William Detmold, Amy Nicholson
In this work, we calculate meson-baryon scattering phase shifts in four channels using lattice QCD methods. From a set of calculations at four volumes, corresponding to spatial siz…
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…
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…
Toward a resolution of the NN controversy
Amy Nicholson, Evan Berkowitz, John Bulava +13
Lattice QCD calculations of two-nucleon interactions have been underway for about a decade, but still haven't reached the pion mass regime necessary for matching onto effective fie…
Scale setting the Möbius Domain Wall Fermion on gradient-flowed HISQ action using the omega baryon mass and the gradient-flow scales and
Nolan Miller, Logan C Carpenter, Evan Berkowitz +14
We report on a sub-percent scale determination using the omega baryon mass and gradient-flow methods. The calculations are performed on 22 ensembles of highly improved,…