Stout Smearing on a Quantum ComputerSmearing of gauge-field configurations in lattice field theory improves the results of lattice simulations by suppressing high energy modes from correlation functions. In quantum simulations, high…Erik J. Gustafson·Nov 10, 2022SaveLearn
Three-body resonances in the 4 theoryWe study the properties of three-body resonances using a lattice complex scalar 4 theory with two scalars, with parameters chosen such that one heavy particle can decay into three light…Marco Garofalo, Maxim Mai, Fernando Romero-López et al.·Nov 10, 2022SaveLearn
Triply charmed baryons mass decomposition from lattice QCDWe present the first calculation of the connected scalar matrix element and the momentum fraction of charm quark within the32+ and 32-triply charmed baryons on lattice…Jin-Bo Li, Long-Cheng Gui, Wei Sun et al.·Nov 9, 2022SaveLearn
Towards the continuum limit of nucleon form factors at the physical point using lattice QCDWe present results for the axial charge and root-mean-square (RMS) radii of the nucleon obtained from 2+1 flavor lattice QCD at the physical point with a large spatial extent of about 10 fm. Our…Ryutaro Tsuji, Yasumichi Aoki, Ken-Ichi Ishikawa et al.·Nov 9, 2022SaveLearn
Non-singlet quark helicity PDFs of the nucleon from pseudo-distributionsThe non-singlet helicity quark parton distribution functions (PDFs) of the nucleon are determined from lattice QCD, by jointly leveraging pseudo-distributions and the distillation spatial smearing…Robert G. Edwards, Colin Egerer, Joseph Karpie et al.·Nov 8, 2022SaveLearn
Pseudoscalar transition form factors and the hadronic light-by-light contribution to the muon g-2We report on our progress toward the computation of the π0, η and η transition form factors using staggered quarks on Nf=2+1+1 gauge ensembles generated by the…Antoine Gérardin, Jana N. Guenther, Lukas Varnhorst et al.·Nov 8, 2022SaveLearn
Spectroscopy of chimera baryons in a Sp(4) lattice gauge theoryChimera baryons are an important element of strongly coupled theories that provide a microscopic origin for UV complete composite Higgs models (CHMs), since they play the role of top partners in top…Ho Hsiao, Ed Bennett, Deog Ki Hong et al.·Nov 8, 2022SaveLearn
Scale setting and the light baryon spectrum in Nf=2+1 QCD with Wilson fermionsWe determine the light baryon spectrum on ensembles generated by the Coordinated Lattice Simulations (CLS) effort, employing Nf=2+1 flavours of non-perturbatively improved Wilson fermions. The…Gunnar S. Bali, Sara Collins, Peter Georg et al.·Nov 7, 2022SaveLearn
Non-compact lattice Higgs model with Abelian discrete gauge groups: phase diagram and gauge symmetry enlargementWe study the phase diagram and phase transitions of the three dimensional multicomponent lattice Higgs model with non-compact Abelian discrete groups. The model with non-compact U(1) gauge group is…Claudio Bonati, Niccolò Francini·Nov 7, 2022SaveLearn
Fourier-Flow model generating Feynman pathsAs an alternative but unified and more fundamental description for quantum physics, Feynman path integrals generalize the classical action principle to a probabilistic perspective, under which the…Shile Chen, Oleh Savchuk, Shiqi Zheng et al.·Nov 7, 2022SaveLearn
Gauge Equivariant Neural Networks for 2+1D U(1) Gauge Theory Simulations in Hamiltonian FormulationGauge Theory plays a crucial role in many areas in science, including high energy physics, condensed matter physics and quantum information science. In quantum simulations of lattice gauge theory, an…Di Luo, Shunyue Yuan, James Stokes et al.·Nov 6, 2022SaveLearn
Topological susceptibility, scale setting and universality from Sp(Nc) gauge theoriesIn this contribution, we report on our study of the properties of the Wilson flow and on the calculation of the topological susceptibility of Sp(Nc) gauge theories for Nc=2,\,4,\,6,\,8. The…Davide Vadacchino, Ed Bennett, C. -J. David Lin et al.·Nov 4, 2022SaveLearn
Unpolarized Transverse-Momentum-Dependent Parton Distributions of the Nucleon from Lattice QCDWe present a first lattice QCD calculation of the unpolarized nucleon's isovector transverse-momentum-dependent parton distribution functions (TMDPDFs), which are essential to predict observables of…Lattice Parton Collaboration, Jin-Chen He, Min-Huan Chu et al.·Nov 4, 2022SaveLearn
The QCD topological susceptibility at high temperatures via staggered fermions spectral projectorsThe QCD topological observables are essential inputs to obtain theoretical predictions about axion phenomenology, which are of utmost importance for current and future experimental searches for this…Andreas Athenodorou, Claudio Bonanno, Claudio Bonati et al.·Nov 3, 2022SaveLearn
Multicomponent gauge-Higgs models with discrete Abelian gauge groupsWe consider a variant of the charge-Q compact Abelian-Higgs model, in which an Nf-dimensional complex vector is coupled with an Abelian Zq gauge field. For Nf=2 and Q=1 we observe several transition…Giacomo Bracci-Testasecca, Andrea Pelissetto·Nov 3, 2022SaveLearn
An Overview of Lattice Results for Parton Distribution FunctionsFollowing a ground-breaking proposal by Ji~PhysRevLett.110.262002, numerical simulations of Quantum Chromo Dynamics (QCD) on a Euclidean lattice have provided new, valuable information on the…Luigi Del Debbio·Nov 2, 2022SaveLearn
Antiheavy-Antiheavy-Light-Light Four-Quark Bound StatesWe present our recent results on antiheavy-antiheavy-light-light tetraquark systems using lattice QCD. Our study of the bbus four-quark system with quantum numbers JP=1+ and the…Martin Pflaumer, Constantia Alexandrou, Jacob Finkenrath et al.·Nov 2, 2022SaveLearn
Lattice field theory results for hybrid static potentials at short quark-antiquark separations and their parametrizationWe present SU(3) lattice Yang-Mills data for hybrid static potentials from five ensembles with different small lattice spacings and the corresponding parametrizations for quark-antiquark separations…Carolin Schlosser, Sonja Köhler, Marc Wagner·Nov 1, 2022SaveLearn
Improved lattice method for determining entanglement measures in SU(N) gauge theoriesThe determination of entanglement measures in SU(N) gauge theories is a non-trivial task. With the so-called "replica trick", a family of entanglement measures, known as "R\'enyi entropies", can be…Tobias Rindlisbacher, Niko Jokela, Arttu Pönni et al.·Nov 1, 2022SaveLearn
Investigating vector boson scattering: A fully gauge-invariant studyVector boson scattering (VBS) plays a central role in the search for new physics at collider experiments such as ATLAS and CMS at the LHC. Usually predictions for this kind of process are obtained…Bernd Riederer, Axel Maas·Oct 31, 2022SaveLearn
Gradient flow step-scaling function for SU(3) with Nf=8 fundamental flavorsThe step-scaling function, the lattice analog of the renormalization group β function, is presented for the SU(3) gauge system with eight flavors in the fundamental representation. Our…Anna Hasenfratz, Claudio Rebbi, Oliver Witzel·Oct 30, 2022SaveLearn
Large-time correlation functions in bosonic lattice field theoriesLarge-time correlation functions have a pivotal role in extracting particle masses from Euclidean lattice field theory calculations, however little is known about the statistical properties of these…Cagin Yunus, William Detmold·Oct 27, 2022SaveLearn
Defining Canonical Momenta for Discretised SU(2) Gauge FieldsIn this proceeding contribution we discuss how to define canonical momenta for SU(N) lattice gauge theories in the Hamiltonian formalism in a basis where the gauge field operators are diagonal. For…Marco Garofalo, Tobias Hartung, Karl Jansen et al.·Oct 27, 2022SaveLearn
Bump of sound velocity in dense 2-color QCDWe obtain the equation of state (EoS) and the sound velocity for 2-color QCD at low temperature and high density and find that in the superfluid phase, cs2/c2 >1/3, where 1/3 is the value at…Etsuko Itou, Kei Iida·Oct 25, 2022SaveLearn
Massless Schwinger model with a 4-fermi interaction at topological angle θ = πWe study the massless Schwinger model with an additional 4-fermi interaction and a topological term. For topological angle θ = π charge conjugation symmetry is implemented in a non-trivial…Dominic Hirtler, Christof Gattringer·Oct 25, 2022SaveLearn