Publications

Quantum Simulation for High Energy Physics
It is for the first time that Quantum Simulation for High Energy Physics (HEP) is studied in the U.S. decadal particle-physics …
Optical and X-ray GRB Fundamental Planes as Cosmological Distance Indicators
Gamma-Ray Bursts (GRBs), observed up to z=9.4, can be employed as standardized candles, extending the distance ladder beyond …
Goldstone boson scattering with a light composite scalar
The appearance of a light composite 0+ scalar resonance in nearly conformal gauge-fermion theories motivates further study of the …
The hyperon spectrum from lattice QCD
Hyperon decays present a promising alternative for extracting backslashvertVusbackslashvert from lattice QCD combined with …
Two-nucleon S-wave interactions at the SU(3) flavor-symmetric point with mudmsphys: a first lattice QCD calculation with the stochastic Laplacian Heaviside method
We report on the first application of the stochastic Laplacian Heaviside method for computing multi-particle interactions with lattice …
New high-sensitivity searches for neutrons converting into antineutrons and/or sterile neutrons at the HIBEAM/NNBAR experiment at the European Spallation Source
The violation of baryon number, is an essential ingredient for the preferential creation of matter over antimatter needed to account …
Scale setting the Möbius Domain Wall Fermion on gradient-flowed HISQ action using the omega baryon mass and the gradient-flow scales t0 and w0
We report on a sub-percent scale determination using the omega baryon mass and gradient-flow methods. The calculations are performed on …
Toward a resolution of the NN controversy
Lattice QCD calculations of two-nucleon interactions have been underway for about a decade, but still haven’t reached the pion …
Stealth dark matter confinement transition and gravitational waves
We use non-perturbative lattice calculations to investigate the finite-temperature confinement transition of stealth dark matter, …
Nucleon Axial Form Factor from Domain Wall on HISQ
The Deep Underground Neutrino Experiment (DUNE) is an upcoming neutrino oscillation experiment that is poised to answer key questions …
Near-conformal dynamics in a chirally broken system
Composite Higgs models must exhibit very different dynamics from quantum chromodynamics (QCD) regardless whether they describe the …
Detailed analysis of excited state systematics in a lattice QCD calculation of gA
Excited state contamination remains one of the most challenging sources of systematic uncertainty to control in lattice QCD …
FK/Fπ from Möbius domain-wall fermions solved on gradient-flowed HISQ ensembles
We report the results of a lattice quantum chromodynamics calculation of FK/Fπ using Möbius domain-wall fermions computed on …
|ΔB|=2: A State of the Field, and Looking Forward--A brief status report of theoretical and experimental physics opportunities
The origin of the matter-antimatter asymmetry apparently obligates the laws of physics to include some mechanism of baryon number …
Lattice QCD Determination of gA
The nucleon axial coupling, gA, is a fundamental property of protons and neutrons, dictating the strength with which the weak axial …
Short Range Operator Contributions to 0νββ decay from LQCD
The search for neutrinoless double beta decay of nuclei is believed to be one of the most promising means to search for new physics. …
Progress in Multibaryon Spectroscopy
Anchoring the nuclear interaction in QCD is a long-outstanding problem in nuclear physics. While the lattice community has made …
Lattice gauge theory for physics beyond the Standard Model
This document is one of a series of white papers from the USQCD Collaboration. Here, we discuss opportunities for lattice field theory …
Symmetries and Interactions from Lattice QCD
Precision experimental tests of the Standard Model of particle physics (SM) are one of our best hopes for discovering what new physics …
Linear sigma EFT for nearly conformal gauge theories
We construct a generalized linear sigma model as an effective field theory (EFT) to describe nearly conformal gauge theories at low …
Simulating the Weak Death of the Neutron in a Femtoscale Universe with Near-Exascale Computing
The fundamental particle theory called Quantum Chromodynamics (QCD) dictates everything about protons and neutrons, from their …
Heavy Physics Contributions to Neutrinoless Double Beta Decay from QCD
Observation of neutrinoless double beta decay, a lepton number violating process that has been proposed to clarify the nature of …
Nonperturbative investigations of SU(3) gauge theory with eight dynamical flavors
We present our lattice studies of SU(3) gauge theory with Nf = 8 degenerate fermions in the fundamental representation. Using …
A per-cent-level determination of the nucleon axial coupling from quantum chromodynamics
The \textitaxialcouplingofthenucleon, gA, is the strength of its coupling to the \textitweak axial current of the Standard …
Nucleon axial coupling from Lattice QCD
We present state-of-the-art results from a lattice QCD calculation of the nucleon axial coupling, gA, using M$$"obius …
Flavor-singlet spectrum in multi-flavor QCD
Studying SU(3) gauge theories with increasing number of light fermions is relevant both for understanding the strong dynamics of QCD …
Calm Multi-Baryon Operators
Outstanding problems in nuclear physics require input and guidance from lattice QCD calculations of few baryons systems. However, these …
Topological Insights in Many-Flavor QCD on the Lattice
LatKMI Collaboration discusses the topological insights in many-flavor QCD on the lattice. We explore walking/conformal/confining phase …
Thermodynamics in 8-Flavor QCD
Motivated by the scenario of electroweak baryogenesis in the walking technicolor (WTC) model, we investigate thermodynamic properties …
Lattice Study of the Scalar and Baryon Spectra in Many-Flavor QCD
In the search for a composite Higgs boson in walking technicolor models, many flavor QCD, in particular with Nf=8, is an attractive …
Lattice Study of SU(3) Gauge Theory with Four Fundamental Fermions
As a part of the project studying large Nf QCD, the LatKMI Collaboration has been investigating the SU(3) gauge theory with four …
Skewness and kurtosis of net baryon-number distributions at small values of the baryon chemical potential
We present results for the ratios of mean (MB), variance (σB2), skewness (SB) and kurtosis (κB) of net …
Möbius domain-wall fermions on gradient-flowed dynamical HISQ ensembles
We report on salient features of a mixed lattice QCD action using valence M$$"obius domain-wall fermions solved on the dynamical …
An accurate calculation of the nucleon axial charge with lattice QCD
We report on a lattice QCD calculation of the nucleon axial charge, gA, using M$$"obius Domain-Wall fermions solved on the …
Neutrinoless double beta decay from lattice QCD
While the discovery of non-zero neutrino masses is one of the most important accomplishments by physicists in the past century, it is …
Light flavor-singlet scalars and walking signals in Nf=8 QCD on the lattice
Based on the highly improved staggered quark action, we perform lattice simulations of Nf=8 QCD and confirm our previous observation …
Walking and conformal dynamics in many flavor QCD
In the search for a realistic walking technicolor model, QCD with many flavors is an attractive candidate. From the series of studies …
Topological observables in many-flavour QCD
SU(3) gauge theory with eight massless flavours is believed to be walking, while the corresponding twelve- and four-flavour appear …
S-parameter and vector decay constant in QCD with eight fundamental fermions
SU(3) gauge theory with eight massless fundamental fermions seems to be near the conformal boundary, and is a candidate theory of …
Strongly interacting dynamics and the search for new physics at the LHC
We present results for the spectrum of a strongly interacting SU(3) gauge theory with Nf=8 light fermions in the fundamental …
Lattice Studies on 8-Flavor QCD in The Light of Physics Beyond The Standard Model
© 2016.We report the latest results of the LatKMI collaboration on 8-flavor QCD using Monte Carlo simulations of the lattice gauge …
Stealth dark matter: Dark scalar baryons through the Higgs portal
We present a new model of "Stealth Dark Matter": a composite baryonic scalar of an SU(ND) strongly-coupled theory with …
Detecting Stealth Dark Matter Directly through Electromagnetic Polarizability
We calculate the spin-independent scattering cross section for direct detection that results from the electromagnetic polarizability of …
Maximum-likelihood approach to topological charge fluctuations in lattice gauge theory
We present a novel technique for the determination of the topological susceptibility (related to the variance of the distribution of …
Light composite scalar in eight-flavor QCD on the lattice
We present the first observation of a flavor-singlet scalar meson as light as the pion in Nf=8 QCD on the lattice, using the Highly …
Lattice simulations with eight flavors of domain wall fermions in SU(3) gauge theory
We study an SU(3) gauge theory with Nf=8 degenerate flavors of light fermions in the fundamental representation. Using the domain wall …
Composite bosonic baryon dark matter on the lattice: SU(4) baryon spectrum and the effective Higgs interaction
We present the spectrum of baryons in a new SU(4) gauge theory with fundamental fermion constituents. The spectrum of these bosonic …
Walking signals in Nf=8 QCD on the lattice
Gluonic observables and the scalar spectrum of twelve-flavour QCD
We measure glueball masses and the string tension in twelve-flavour QCD, aiming at comparing the emerging gluonic spectrum to the …
Exploring for a light composite scalar in eight flavor QCD
In search for a composite Higgs boson (techni-dilaton) in the walking technicolor, we present our preliminary results on the first …
Composite flavor-singlet scalar in twelve-flavor QCD
We report the calculation of the flavor-singlet scalar in the SU(3) gauge theory with the degenerate twelve fermions in the fundamental …
Light Composite Scalar in Twelve-Flavor QCD on the Lattice
Based on lattice simulations using highly improved staggered quarks for twelve-flavor QCD with several bare fermion masses, we observe …
The scalar spectrum of many-flavour QCD
The LatKMI collaboration is studying systematically the dynamical properties of N_f = 4,8,12,16 SU(3) gauge theories using lattice …