Improved interpolating fields for hadrons at non-zero momentum

Abstract

We generalize Gaussian/Wuppertal smearing in order to produce non-spherical wave functions. We show that we can achieve a reduction in the noise-to-signal ratio for correlation functions of certain hadrons at non-zero momentum, while at the same time preserving a good projection on the ground state.

10 pages, 7 figures. Version accepted for publication in EPJ A

References in corpus (2)

• The strange quark mass and Lambda parameter of two flavor QCD
• The nucleon axial charge from lattice QCD with controlled errors

Cited by in corpus (15)

• FLAG Review 2019
• FLAG Review 2021
• Novel quark smearing for hadrons with high momenta in lattice QCD
• FLAG Review 2024
• Nucleon electromagnetic form factors in two-flavour QCD
• Studying the $\rho$ resonance parameters with staggered fermions
• Practical quasi parton distribution functions
• Parton Distribution Function from the Hadronic Tensor on the Lattice
• Multi-boson block factorization of fermions
• The Shape of Covariantly Smeared Sources in Lattice QCD
• Strategies for quantum-optimized construction of interpolating operators in classical simulations of lattice quantum field theories
• Hadron Structure from Lattice QCD
• The electromagnetic form factor of the pion: Results from the lattice
• B $\to$ $\pi$ form factor with 2 flavours of $O(a)$ improved Wilson quarks
• Improved interpolating fields for hadrons at non-vanishing momentum