K L→μ+μ- from lattice QCDWe propose a lattice-QCD-suitable framework for computing the two-photon long-distance contribution to the complex K L→μ+μ- decay amplitude, where QED is treated…En-Hung Chao, Norman H. Christ, Xu Feng et al.·Dec 2, 2023SaveLearn
Isospin-12 Dπ scattering and the D0* resonancePreliminary lattice QCD results for Dπ scattering in isospin I=12 channel are presented. Utilizing the Nf=2+1 Wilson-Clover configuration at two volumes ($L3 × T=323 ×…Haobo Yan, Chuan Liu, Liuming Liu et al.·Dec 2, 2023SaveLearn
Extraction of lattice QCD spectral densities from an ensemble of trained machinesIn this talk we discuss a novel method, that we have presented in Ref. [1], to extract hadronic spectral densities from lattice correlators by using deep learning techniques. Hadronic spectral…Michele Buzzicotti, Alessandro De Santis, Nazario Tantalo·Dec 1, 2023SaveLearn
Comparing phenomenological estimates of dilepton decays of pseudoscalar mesons with lattice QCDDilepton decays of pseudoscalar mesons have been drawing particular interest, thanks to their sensitivity to both the QCD dynamics at low energy and also signals beyond the Standard Model. In this…Bai-Long Hoid, Martin Hoferichter, Jacobo Ruiz de Elvira·Dec 1, 2023SaveLearn
Glueballs in Nf=1 QCDWe present an evaluation of the glueball spectrum for configurations produced with Nf=1 dynamical fermions as a function of the m PCAC mass. We obtained masses of states that fall into the…Andreas Athenodorou, Georg Bergner, Michael Teper et al.·Dec 1, 2023SaveLearn
Nucleon-Pion Spectroscopy from Sparsened CorrelatorsNeutrino oscillation experiments require accurate reconstructions of neutrino energies, which depend in part on a theoretical understanding of the axial N → transition form…Anthony V. Grebe, Michael Wagman·Dec 1, 2023SaveLearn
Finite-volume scattering on the left-hand cutThe two-particle finite-volume scattering formalism derived by L\"uscher and generalized in many subsequent works does not hold for energies far enough below the two-particle threshold to reach the…André Baião Raposo, Maxwell T. Hansen·Nov 30, 2023SaveLearn
Moments of parton distribution functions of any order from lattice QCDWe describe a procedure to determine moments of parton distribution functions of any order in lattice quantum chromodynamics (QCD). The procedure is based on the gradient flow for fermion and gauge…Andrea Shindler·Nov 30, 2023SaveLearn
Testing (asymptotic) scaling in Yang-Mills theories in the large-Nc limitTEK reduction is a well-established technique that allows single-site simulations of Yang-Mills theory in the large-Nc limit by exploiting volume reduction induced by twisted boundary conditions.…Pietro Butti, Antonio Gonzalez-Arroyo·Nov 30, 2023SaveLearn
Scattering of dark pions in an Sp(4) gauge theoryIn this work we consider strongly interacting dark matter candidates as composite states of Nf=2 fermions charged under a dark Sp(4) gauge group in the fundamental representation. We give…Yannick Dengler, Axel Maas, Fabian Zierler·Nov 30, 2023SaveLearn
Unveiling generalized parton distributions through the pseudo-distribution approachUnderstanding the intricate three-dimensional internal structure of the nucleon has been a long-standing challenge. The main quantitative tool to map out this structure are the generalized parton…Niilo Nurminen, Shohini Bhattacharya, Wojciech Chomicki et al.·Nov 30, 2023SaveLearn
Bayesian interpretation of Backus-Gilbert methodsThe extraction of spectral densities from Euclidean correlators evaluated on the lattice is an important problem, as these quantities encode physical information on scattering amplitudes,…Luigi Del Debbio, Alessandro Lupo, Marco Panero et al.·Nov 29, 2023SaveLearn
Perturbative study of renormalization and mixing for asymmetric staple-shaped Wilson-line operators on the latticeWe present one-loop perturbative results of the renormalization functions for a complete set of nonlocal quark bilinear operators containing an asymmetric staple-shaped Wilson line, using a family of…Gregoris Spanoudes, Martha Constantinou, Haralambos Panagopoulos·Nov 29, 2023SaveLearn
Theoretical Developments in Lattice Gauge Theory for Applications in Double-beta Decay Processes and Quantum SimulationDouble beta decays are rare nuclear processes that can occur in two modes: two-neutrino double beta decay, observed in the Standard Model, and neutrinoless double beta decay, a hypothetical process…Saurabh V. Kadam·Nov 29, 2023SaveLearn
Fixed point actions from convolutional neural networksLattice gauge-equivariant convolutional neural networks (L-CNNs) can be used to form arbitrarily shaped Wilson loops and can approximate any gauge-covariant or gauge-invariant function on the…Kieran Holland, Andreas Ipp, David I. Müller et al.·Nov 29, 2023SaveLearn
Baryonic Screening Masses in High Temperature QCDWe compute the screening masses of fields with nucleon quantum numbers for a wide range of temperatures between T 1 GeV and T 160 GeV. The computation has been performed by means of…Pietro Rescigno, Leonardo Giusti, Tim Harris et al.·Nov 29, 2023SaveLearn
Implementation of bond weighting method for the Grassmann tensor renormalization groupWe demonstrate the efficiency of the bond weighting method for the Grassmann tensor renormalization group (TRG). Benchmarking with the two-dimensional Gross-Neveu model with the Wilson fermion at…Shinichiro Akiyama·Nov 29, 2023SaveLearn
Renormalization of non-local gluon operators in lattice perturbation theoryIn this study, we investigate the renormalization of a complete set of gauge-invariant non-local gluon operators up to one-loop in lattice perturbation theory. Our computations have been performed in…Demetrianos Gavriel, Haralambos Panagopoulos, Gregoris Spanoudes·Nov 29, 2023SaveLearn
Study on Lambda(1405) in the flavor SU(3) limit in the HAL QCD methodWe study interactions between the S-wave octet pseudo-scalar (PS) meson and octet baryon in the flavor SU(3) limit using the HAL QCD method at the PS meson mass mM≈ 670~MeV. We…Kotaro Murakami, Sinya Aoki·Nov 29, 2023SaveLearn
Discretization effects on nucleon root-mean-square radii from lattice QCD at the physical pointWe present results for the axial-vector coupling 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.…Ryutaro Tsuji, Yasumichi Aoki, Ken-Ichi Ishikawa et al.·Nov 29, 2023SaveLearn
The four-gluon vertex in Landau gaugeThe Landau gauge four-gluon vertex is studied using high statistical lattice simulations for several momentum configurations. Furthermore, the outcome of the lattice QCD simulations is compared with…Manuel Colaço, Orlando Oliveira, Paulo J. Silva·Nov 28, 2023SaveLearn
Short-flow-time expansion of quark bilinears through next-to-next-to-leading order QCDThe gradient-flow formalism proves to be a useful tool in lattice calculations of quantum chromodynamics. For example, it can be used as a scheme to renormalize composite operators by inverting the…Janosch Borgulat, Robert V. Harlander, Jonas T. Kohnen et al.·Nov 28, 2023SaveLearn
|Vus| from kaon semileptonic form factor in Nf = 2+1 QCD at the physical point on (10 fm)4We present a preliminary result of the kaon semileptonic form factor calculated at the smallest lattice spacing in the PACS10 configurations, whose physical volumes are more than (10 fm)4 at the…Takeshi Yamazaki, Ken-ichi Ishikawa, Naruhito Ishizuka et al.·Nov 28, 2023SaveLearn
Renormalization of the Yukawa and Quartic Couplings in N = 1 Supersymmetric QCDIn this work we perform calculations in order to determine the renormalization factors and the mixing coefficients of the Yukawa and the quartic couplings in N = 1 Supersymmetric QCD. The…M. Costa, H. Herodotou, H. Panagopoulos·Nov 28, 2023SaveLearn
Real-space blocking of qubit variables on parallel lattice gauge theory links for quantum simulationOne of the methods proposed in the last years for studying non-perturbative gauge theory physics is quantum simulation, where lattice gauge theories are mapped onto quantum devices which can be built…Judy Shir, Erez Zohar·Nov 28, 2023SaveLearn