Applications of Lattice Gauge Equivariant Neural NetworksThe introduction of relevant physical information into neural network architectures has become a widely used and successful strategy for improving their performance. In lattice gauge theories, such…Matteo Favoni, Andreas Ipp, David I. Müller·Dec 1, 2022SaveLearn
Momentum transfer dependence of kaon semileptonic form factor on (10 fm)4 at the physical pointWe calculate the kaon semileptonic form factors using the two sets of the PACS10 configuration, whose physical volumes are more than (10 fm)4 at the physical point. The lattice spacings are 0.063…Takeshi Yamazaki, Ken-ichi Ishikawa, Naruhito Ishizuka et al.·Dec 1, 2022SaveLearn
Calculation of the pion charge radius from an improved model-independent methodWe propose a new improved model-independent method for calculating the pion charge radius. In a recently-proposed model-independent method for the pion charge radius, we find it difficult to compute…Kohei Sato, Hiromasa Watanabe, Takeshi Yamazaki·Dec 1, 2022SaveLearn
Lattice study on a tetraquark state Tbb in the HAL QCD methodWe investigate a doubly-bottomed tetraquark state Tbb (bb ud) with quantum number I(JP)=0(1+) in (2+1)-flavor lattice QCD. Using the Non-Relativistic QCD (NRQCD) quark action…Sinya Aoki, Takafumi Aoki·Dec 1, 2022SaveLearn
Intermediate window observable for the hadronic vacuum polarization contribution to the muon g-2 from O(a) improved Wilson quarksFollowing the publication of the new measurement of the anomalous magnetic moment of the muon, the discrepancy between experiment and the theory prediction from the g-2 theory initiative has…Marco Cè, Antoine Gérardin, Georg von Hippel et al.·Nov 30, 2022SaveLearn
Electromagnetic form factors of the proton and neutron from Nf = 2 + 1 lattice QCDWe present results for the electromagnetic form factors of the proton and neutron computed on the Coordinated Lattice Simulations (CLS) ensembles with Nf = 2 + 1 flavors of…Miguel Salg, Dalibor Djukanovic, Georg von Hippel et al.·Nov 30, 2022SaveLearn
Progress in calculation of the fourth Mellin moment of the pion light-cone distribution amplitude using the HOPE methodThe pion light-cone distribution amplitude (LCDA) is a central non-perturbative object of interest for the calculation of high-energy exclusive processes in quantum chromodynamics. This article…William Detmold, Anthony V. Grebe, Issaku Kanamori et al.·Nov 30, 2022SaveLearn
The spectrum of GUT-like gauge-scalar modelsPast lattice simulations tentatively suggested that the spectrum of observable particles in BSM theories is qualitatively different than perturbatively expected. The discrepancy can be traced back to…Elizabeth Dobson, Axel Maas, Bernd Riederer·Nov 30, 2022SaveLearn
Inclusive semi-leptonic decays of charmed mesons with M\"obius domain wall fermionsWe perform a non-perturbative lattice calculation of the decay rates for inclusive semi-leptonic decays of charmed mesons. In view of the long-standing tension in the determination of the CKM matrix…Ryan Kellermann, Alessandro Barone, Shoji Hashimoto et al.·Nov 30, 2022SaveLearn
All About the Neutron from Lattice QCDI describe how simulations of lattice QCD using the path integral formulation provide the two basic quantum mechanical properties of QCD, its ground state in which correlation functions are…Rajan Gupta·Nov 30, 2022SaveLearn
Towards Kπ scattering with domain-wall fermions at the physical point using distillationResonances play an important role in Standard Model phenomenology. In particular, hadronic resonances feature in B and D decays, which can be central for New Physics searches. Lattice QCD…Nelson Pitanga Lachini, Peter Boyle, Felix Erben et al.·Nov 29, 2022SaveLearn
Performance Optimization of Baryon-block Construction in the Stochastic LapH MethodImplementations of measurement kernels in high-level Lattice QCD frameworks enable rapid prototyping, but can leave hardware capabilities significantly underutilized. This is an acceptable tradeoff…Phuong Nguyen, Ben Hörz·Nov 29, 2022SaveLearn
Persistent homology as a probe for center vortices and deconfinement in SU(2) lattice gauge theoryTopological Data Analysis (TDA) is a field that leverages tools and ideas from algebraic topology to provide robust methods for analysing geometric and topological aspects of data. One of the…Nicholas Sale, Biagio Lucini, Jeffrey Giansiracusa·Nov 29, 2022SaveLearn
A machine learning approach to the classification of phase transitions in many flavor QCDNormalizing flows are generative machine learning models which can efficiently approximate probability distributions, using only given samples of a distribution. This architecture is used to…Frithjof Karsch, Anirban Lahiri, Marius Neumann et al.·Nov 29, 2022SaveLearn
Probing singularities of Landau-gauge propagators with Pad\'e approximantsPad\'e approximants are employed in order to study the analytic structure of the four-dimensional SU(2) Landau-gauge gluon and ghost propagators in the infrared regime. The approximants, which are…Cristiane Y. London, Diogo Boito, Attilio Cucchieri et al.·Nov 29, 2022SaveLearn
Isovector nucleon form factors from 2+1-flavor dynamical domain-wall lattice QCD at the physical massNucleon isovector form factors calculated on a 2+1-flavor domain-wall-fermions ensemble with strange and degenerate up and down quarks at physical mass and lattice cut off, a-1, of about…Shigemi Ohta·Nov 29, 2022SaveLearn
Inclusion of heavy spin effects in the u d b b I(JP)=0(1-) four-quark channel in the Born-Oppenheimer approximationWe refine our previous study of a u d b b tetraquark resonance with quantum numbers I(JP)=0(1-), which is based on antiheavy-antiheavy lattice QCD potentials, by including heavy…Jakob Hoffmann, André Zimermmane-Santos, Marc Wagner·Nov 28, 2022SaveLearn
Log-enhanced discretization errors in integrated correlation functionsIntegrated time-slice correlation functions G(t) with weights K(t) appear, e.g., in the moments method to determine αs from heavy quark correlators, in the muon g-2 determination or in…Leonardo Chimirri, Nikolai Husung, Rainer Sommer·Nov 28, 2022SaveLearn
Exploring distillation at the SU(3) flavour symmetric pointIn these proceedings we present an exact distillation setup with stabilised Wilson fermions at the SU(3) flavour symmetric point utilising the flexibility of the Grid and Hadrons software libraries.…Felix Erben, Maxwell T. Hansen, Fabian Joswig et al.·Nov 28, 2022SaveLearn
Towards learning optimized kernels for complex LangevinWe present a novel strategy aimed at restoring correct convergence in complex Langevin simulations. The central idea is to incorporate system-specific prior knowledge into the simulations, in order…Daniel Alvestad, Rasmus Larsen, Alexander Rothkopf·Nov 28, 2022SaveLearn
Inclusive semi-leptonic B(s) mesons decay at the physical b quark massWe address the non-perturbative calculation of the decay rate of inclusive semi-leptonic B(s) mesons decays from lattice QCD. Precise theoretical Standard Model predictions are key ingredients…Alessandro Barone, Shoji Hashimoto, Andreas Jüttner et al.·Nov 28, 2022SaveLearn
Gluon helicity distribution in the nucleon from lattice QCD and machine learningWe present the first lattice QCD determination of the light cone gluon helicity correlation parton distribution function (PDF) with numerical evidence toward disfavoring negative gluon polarization…Tanjib Khan, Tianbo Liu, Raza Sabbir Sufian·Nov 28, 2022SaveLearn
Coordinate-space calculation of the window observable for the hadronic vacuum polarization contribution to (g-2)μThe `intermediate window quantity' of the hadronic vacuum polarization contribution to the anomalous magnetic moment of the muon allows for a high-precision comparison between the data-driven…En-Hung Chao, Harvey B. Meyer, Julian Parrino·Nov 28, 2022SaveLearn
Aspects of chiral symmetry in QCD at T = 128 MeVWe investigate several aspects of chiral symmetry in QCD at a temperature of T = 128\,MeV. The study is based on a 24× 963 lattice-QCD ensemble with O(a)-improved Wilson quarks and…Marco Cè, Tim Harris, Ardit Krasniqi et al.·Nov 28, 2022SaveLearn
Status of reproducibility and open science in hep-lat in 2021As a fully computational discipline, Lattice Field Theory has the potential to give results that anyone with sufficient computational resources can reproduce, going from input parameters to published…Ed Bennett·Nov 28, 2022SaveLearn