The hyperfine splitting in QCD mesonic screening masses at asymptotically large temperaturesWe determine the hyperfine splitting in the QCD flavour non-singlet mesonic screening masses at asymptotically large temperatures. The analytic calculation is carried out in the dimensionally-reduced…Marco Cè, Leonardo Giusti, Davide Laudicina et al.·Feb 11, 2025SaveLearn
Isovector axial and pseudoscalar form factors from twisted mass lattice QCD at the physical pointWe present the isovector axial, induced pseudoscalar, and pseudoscalar form factors of the nucleon using three twisted-mass fermion ensembles with degenerate up- and down-, strange-, and charm-quarks…Constantia Alexandrou, Simone Bacchio, Martha Constantinou et al.·Feb 11, 2025SaveLearn
Checks on QED and strong-isospin breaking corrections to aμHVPAt the current levels of precision reached in the measurement of the muon g-2 by Fermilab, it is essential to control QED and strong isospin breaking corrections to the HVP contribution to the muon…Andreas Risch·Feb 11, 2025SaveLearn
QCD Anderson transition with overlap valence quarks on a twisted-mass sea -- an updateWe investigate the QCD Anderson transition by studying the low-lying eigenmodes of the overlap operator in the background of gauge configurations with 2+1+1 quark flavors of twisted-mass Wilson…Robin Kehr, Lorenz von Smekal·Feb 11, 2025SaveLearn
Taste breaking in the minimally doubled Karsten-Wilczek action and its tree-level improvementMinimally doubled fermion actions offer a discretization for two-flavor Quantum Chromodynamics without rooting, but retaining a U(1) chiral symmetry at the same time. The price to pay is a breaking…S. Borsányi, S. Capitani, Z. Fodor et al.·Feb 11, 2025SaveLearn
The singlet scalar state in a chiral ensemble in SU(2) with two fundamental flavoursComposite Higgs models are a class of Beyond the Standard Model (BSM) models proposed to address the hierarchy and naturalness problems associated with the Standard Model (SM) Higgs. A new QCD-like…Laurence Sebastian Bowes, Vincent Drach, Patrick Fritzsch et al.·Feb 11, 2025SaveLearn
Constraints on axion-like particles using lattice QCD calculations of the rate for J/ γ aA key search mode for axion-like particles (ALPs) that couple to charm quarks is J/ γ a. Here we calculate the form factor that allows the rate of this process to be determined using…Brian Colquhoun, Christine T. H. Davies, G. Peter Lepage et al.·Feb 10, 2025SaveLearn
Heavy-light meson decay constants and hyperfine splittings with the heavy-HISQ methodWe compute ratios between the vector and pseudoscalar, and tensor and vector decay constants, and between hyperfine splittings for D(s)(*) and B(s)(*) mesons. We use the Highly…Kerr A. Miller, Judd Harrison, Christine T. H. Davies et al.·Feb 10, 2025SaveLearn
The chiral critical point from the strong coupling expansionThe strong coupling expansion for staggered fermions allows for Monte Carlo simulations using a dual representation. It has a mild sign problem for low values of the inverse gauge coupling β,…Jangho Kim, Pratitee Pattanaik, Wolfgang Unger·Feb 10, 2025SaveLearn
The isoscalar non-singlet axial form factor of the nucleon from lattice QCDWe present our progress on the computation of the axial form factor of the nucleon with flavour structure u+d-2s from lattice QCD. We employ a set of Nf=2+1 CLS ensembles with O(a)-improved…Alessandro Barone, Dalibor Djukanovic, Georg von Hippel et al.·Feb 10, 2025SaveLearn
Axialvector diqaurk Mass and quark-diquark potential in SigmacThe axialvector diquark is studied by using 2+1 flavor Lattice QCD. Being a two-quark object, diquark has a non-neutral color charge. Hence the two-point correlators of diquark fields do not have a…Soya Nishioka, Noriyoshi Ishii·Feb 10, 2025SaveLearn
Gauge Dependence of ccbar Potential from Nambu-Bethe-Salpeter Wave Function in Lattice QCDWe study the gauge dependence of cc potentials extracted from Nambu-Bethe-Salpeter (NBS) wave functions. The potentials are obtained using the HAL QCD potential method, with an extension…Tianchen Zhang, Noriyoshi Ishii·Feb 10, 2025SaveLearn
Pseudoscalar Screening Mass at Finite Temperature and Magnetic Field from Lattice QCD with Physical Quark MassesUnderstanding the screening mass of pseudoscalar mesons at finite temperature and magnetic field is crucial for comprehending the behavior of strongly interacting matter under extreme conditions,…Rishabh Thakkar, Heng-Tong Ding, Jin-Biao Gu et al.·Feb 10, 2025SaveLearn
Phase structure analysis of CP(1) model with θ term by tensor renormalization groupWe analyze the phase structure of 2d lattice CP(1) model with θ term by using the bond-weighted tensor renormalization group method. We propose a new tensor network representation for the…Hayato Aizawa, Shinji Takeda, Yusuke Yoshimura·Feb 10, 2025SaveLearn
Finite Volume Hamiltonian method for two-particle systems containing long-range potential on the latticeWe propose a systematic method to block-diagonalize the finite volume effective Hamiltonian for two-particle systems with arbitrary spin in both the rest and moving frame. The framework is convenient…Kang Yu, Guang-Juan Wang, Jia-Jun Wu et al.·Feb 9, 2025SaveLearn
Qubit Regularization of Quantum Field TheoriesTo study quantum field theories on a quantum computer, we must begin with Hamiltonians defined on a finite-dimensional Hilbert space and then take appropriate limits. This approach can be seen as a…Shailesh Chandrasekharan·Feb 8, 2025SaveLearn
Lattice QCD study of c c scatteringWe present the first lattice result of the near threshold cc scattering with I(JP) = 0(0+). The calculation is performed on two Nf = 2+1 Wilson-Clover ensembles with pion…Hanyang Xing, Yiqi Geng, Chuan Liu et al.·Feb 8, 2025SaveLearn
Physics-Conditioned Diffusion Models for Lattice Gauge TheoryWe develop diffusion models for simulating lattice gauge theories, where stochastic quantization is explicitly incorporated as a physical condition for sampling. We demonstrate the applicability of…Qianteng Zhu, Gert Aarts, Wei Wang et al.·Feb 8, 2025SaveLearn
Improvement in Autocorrelation Times Measured by the Master-Field Technique using Field Transformation HMC in 2+1 Domain Wall Fermion SimulationsThe Field-Transformation Hybrid Monte-Carlo (FTHMC) algorithm potentially mitigates the issue of critical slowing down by combining the HMC with a field transformation, originally proposed by…Shuhei Yamamoto, Peter Boyle, Taku Izubuchi et al.·Feb 8, 2025SaveLearn
Nucleon axial, tensor, and scalar charges and σ-terms in lattice QCDWe determine the nucleon axial, scalar and tensor charges at the continuum limit by analyzing three Nf=2+1+1 twisted mass fermion ensembles with all quark masses tuned to approximately their…Constantia Alexandrou, Simone Bacchio, Jacob Finkenrath et al.·Feb 7, 2025SaveLearn
Pion condensation at non-zero isospin chemical potential with Wilson fermionsIn contrast to the case of non-zero baryon chemical potential, the isospin chemical potential does not introduce a sign problem and can be simulated on the lattice. When the isospin chemical…Rocco Francesco Basta, Bastian B. Brandt, Francesca Cuteri et al.·Feb 7, 2025SaveLearn
Flavor mixing in charmonium and light mesons with optimal distillation profilesWe study the light meson - charmonium - glueball mixing using flavor-singlet meson operators built from optimal distillation profiles together with purely gluonic operators in different JPC…Juan Andrés Urrea-Niño, Jacob Finkenrath, Roman Höllwieser et al.·Feb 7, 2025SaveLearn
Energy-momentum tensor in the 2d O(3) non-linear sigma model on the latticeThe long-term goal of this project is the non-perturbative renormalization of the energy-momentum tensor in the 2d O(3) non-linear sigma model using different methods which have been developed for…Mika Lauk, Agostino Patella·Feb 7, 2025SaveLearn
Lattice perspectives on doubly heavy tetraquarksDoubly heavy tetraquarks have emerged as new probes to study the heavy hadron spectrum. With the experimental observation of the JP=1+ Tcc+, they pose a unique opportunity to bring together…Anthony Francis·Feb 7, 2025SaveLearn
The Equation of State of QCD up to very high temperaturesWe present the non-perturbative computation of the entropy density in QCD for temperatures ranging from 3 GeV up to the electro-weak scale, using Nf=3 flavours of massless O(a)-improved Wilson…Matteo Bresciani, Mattia Dalla Brida, Leonardo Giusti et al.·Feb 6, 2025SaveLearn