Practical applications of machine-learned flows on gauge fieldsNormalizing flows are machine-learned maps between different lattice theories which can be used as components in exact sampling and inference schemes. Ongoing work yields increasingly expressive…Ryan Abbott, Michael S. Albergo, Denis Boyda et al.·Apr 17, 2024SaveLearn
Extraction of nonperturbative parameters for D(*) mesons from lattice dataRecent data for the masses of D and D* mesons determined using methods of lattice QCD for several values of the charm quark mass different from its physical mass are analysed in Heavy Quark…Alexey Nefediev·Apr 17, 2024SaveLearn
Multiscale Normalizing Flows for Gauge TheoriesScale separation is an important physical principle that has previously enabled algorithmic advances such as multigrid solvers. Previous work on normalizing flows has been able to utilize scale…Ryan Abbott, Michael S. Albergo, Denis Boyda et al.·Apr 16, 2024SaveLearn
Schwinger-Dyson control variates for lattice fermionsPrevious work has shown that high-quality control variates for lattice Monte Carlo methods may be constructed from lattice Schwinger-Dyson relations. This paper extends that method to theories with…Scott Lawrence·Apr 16, 2024SaveLearn
Lattice QCD determination of the normalization of the leading-twist photon distribution amplitude and susceptibility of the quark condensateThe normalization of the leading-twist photon distribution amplitude (DA), fγ, is an important ingredient in the study of exclusive processes involving the photon emission by means…S. Bacchio, D. Bečirević, G. Gagliardi et al.·Apr 16, 2024SaveLearn
Status and progress of lattice QCDWe review recent progress from lattice QCD for the determination of the Cabibbo-Kobayashi-Maskawa matrix elements.Takashi Kaneko·Apr 16, 2024SaveLearn
Minimal Autocorrelation in Hybrid Monte Carlo simulations using Exact Fourier AccelerationThe hybrid Monte Carlo (HMC) algorithm is a ubiquitous method in computational physics with applications ranging from condensed matter to lattice QCD and beyond. However, HMC simulations often suffer…Johann Ostmeyer, Pavel Buividovich·Apr 15, 2024SaveLearn
Study of isoscalar scalar bc u d tetraquark Tbc from lattice QCDWe present a lattice QCD study of the elastic S-wave DB scattering in search of tetraquark candidates with explicitly exotic flavor content bc u d in the isospin I\!=\!0 and…Archana Radhakrishnan, M. Padmanath, Nilmani Mathur·Apr 11, 2024SaveLearn
Evaluating matrix power series with the Cayley-Hamilton theoremThe Cayley-Hamilton theorem is used to implement an iterative process for the efficient numerical computation of matrix power series and their differentials. In addition to straight-forward…Tobias Rindlisbacher·Apr 11, 2024SaveLearn
Odd-Parity Nucleon Electromagnetic Transitions in Lattice QCDThe parity-expanded variational analysis (PEVA) technique enables the isolation of opposite-parity eigenstates at finite momentum. The approach has been used to perform the first lattice QCD…Finn M. Stokes, Benjamin J. Owen, Waseem Kamleh et al.·Apr 11, 2024SaveLearn
Z3 lattice gauge theory as a toy model for dense QCDWe propose the (3+1)-dimensional Z3 lattice gauge theory coupled with the 2-flavor Wilson-Dirac fermion as a toy model for studying quantum chromodynamics (QCD) at nonzero density. We…Yoshimasa Hidaka, Yuya Tanizaki, Arata Yamamoto·Apr 11, 2024SaveLearn
Lattice determination of the Batalin-Vilkovisky function and the strong running interactionThe Batalin-Vilkovisky function is a central component in the modern formulation of the background field method and the physical applications derived from it. In the present work we report on novel…A. C. Aguilar, N. Brito, M. N. Ferreira et al.·Apr 9, 2024SaveLearn
QCD Predictions for Meson Electromagnetic Form Factors at High Momenta: Testing Factorization in Exclusive ProcessesWe report the first lattice QCD computation of pion and kaon electromagnetic form factors, FM(Q2), at large momentum transfer up to 10 and 28 GeV2, respectively. Utilizing physical…Heng-Tong Ding, Xiang Gao, Andrew D. Hanlon et al.·Apr 5, 2024SaveLearn
Investigating two-dimensional adjoint QCD on the latticeWe present our investigations of SU(N) adjoint QCD in two dimensions with one Majorana fermion on the lattice. We determine the relevant parameter range for the simulations with Wilson fermions and…Georg Bergner, Stefano Piemonte, Mithat Ünsal·Apr 4, 2024SaveLearn
b b u d and b b u s tetraquarks from lattice QCD using symmetric correlation matrices with both local and scattering interpolating operatorsWe study the b b u d tetraquark with quantum numbers I(JP) = 0(1+) as well as the b b u s tetraquark with quantum numbers JP = 1+ using lattice QCD. We improve on…Constantia Alexandrou, Jacob Finkenrath, Theodoros Leontiou et al.·Apr 4, 2024SaveLearn
Constraints on the Dirac spectrum from chiral symmetry restorationI derive constraints on the Dirac spectrum in the chirally symmetric phase of a gauge theory with two massless fermion flavors. Using only general properties of correlation functions of scalar and…Matteo Giordano·Apr 4, 2024SaveLearn
Precise Omega baryons from lattice QCDIn this paper we determine the masses of I(JP)=0(3/2+) and 0(3/2-) -baryon ground states using lattice QCD. We utilise Wilson-clover ensembles with 2+1…Renwick J. Hudspith, Matthias F. M. Lutz, Daniel Mohler·Apr 3, 2024SaveLearn
Kaon mixing beyond the standard model with physical massesWe present non-perturbative results for beyond the standard model kaon mixing matrix elements in the isospin symmetric limit (mu=md) of QCD, including a complete estimate of all dominant sources…Peter A. Boyle, Felix Erben, Jonathan M. Flynn et al.·Apr 2, 2024SaveLearn
The radiative decay of scalar glueball from lattice QCDWe perform the first lattice QCD study on the radiative decay of the scalar glueball to the vector meson φ in the quenched approximation. The calculations are carried out on three gauge…Jintao Zou, Long-Cheng Gui, Ying Chen et al.·Apr 2, 2024SaveLearn
Study of Curved Domain-wall Fermions on a LatticeIn this thesis, we consider fermion systems on square lattice spaces with a curved domain-wall mass term. In a similar way to the flat case, we find massless and chiral states localized at the wall.…Shoto Aoki·Apr 1, 2024SaveLearn
Lattice outlook on B and B KLattice Quantum Chromodynamics (QCD) has significantly contributed to our understanding of the CKM matrix through precise determinations of hadronic matrix elements. With advancements in theoretical…Luka Leskovec, Stefan Meinel, Marcus Petschlies et al.·Mar 28, 2024SaveLearn
Progress on K L→μ+μ- from Lattice QCDIn this contribution, we present recent progress from the RBC/UKQCD collaboration on the first calculation of the long-distance two-photon contribution to the decay amplitude of a long-lived kaon…En-Hung Chao·Mar 27, 2024SaveLearn
Lattice study of disordering of inhomogeneous condensates and the Quantum Pion Liquid in effective O(N) modelIn this talk, we study a scalar O(N) model with a so-called moat regime -- a regime with negative bosonic wave function renormalization -- using lattice field theory. For negative bare wave…Marc Winstel, Semeon Valgushev·Mar 27, 2024SaveLearn
Symplectic Quantization: numerical results for the Feynman propagator on a 1+1 lattice and the theoretical relation with Quantum Field TheoryWe present here the first lattice simulation of symplectic quantization, a new functional approach to quantum field theory which allows to define an algorithm to numerically sample the quantum…Martina Giachello, Francesco Scardino, Giacomo Gradenigo·Mar 25, 2024SaveLearn
Action of the axial U(1) non-invertible symmetry on the 't~Hooft line operator: A lattice gauge theory studyWe study how the symmetry operator of the axial U(1) non-invertible symmetry acts on the 't~Hooft line operator in the U(1) gauge theory by employing the modified Villain-type lattice…Yamato Honda, Soma Onoda, Hiroshi Suzuki·Mar 25, 2024SaveLearn