614 citations · 2k across the 64 of their papers we have counts for
67 papers · 1 filter
Discretisation effects of gradient flows in QCD-like theories on the lattice
Pietro Butti, Michele Della Morte, Benjamin Jäger +2
Recent software advances now allow large-scale lattice studies of the Corrigan--Ramond large- limit of Yang-Mills theory coupled with a two-index antisymmetric fermion, provid…
Comparison of smoothening flows for the topological charge in QCD-like theories
Pietro Butti, Michele Della Morte, Benjamin Jäger +2
We investigate properties of the topological charge for several SU(NC) gauge field ensembles for NC = 4, 5, 6 with a single fermion in the two-index anti-symmetric representation,…
Towards the super Yang-Mills spectrum at large
Michele Della Morte, Benjamin Jäger, Sofie Martins +2
We examine one-flavour gauge theories, where denotes the number of colors, with one fermion in the antisymmetric representation as a candidate to approximate $\math…
B-physics from Lattice Gauge Theory
J. Tobias Tsang, Michele Della Morte
We discuss the main issues in dealing with heavy quarks on the lattice and shortly present the different approaches used. We discuss a selection of computations covering first the…
LapH interpolating fields with open boundary conditions
Michele Della Morte, Olmo Francesconi, Justus Tobias Tsang
The stochastic Laplacian Heaviside (LapH) method has proven to be successful in hadronic calculations. In this work, with charm-light spectroscopy in mind, we set up and optimise t…
FLAG Review 2021
Y. Aoki, T. Blum, G. Colangelo +34
We review lattice results related to pion, kaon, -meson, -meson, and nucleon physics with the aim of making them easily accessible to the nuclear and particle physics communi…
Tuning the Hybrid Monte Carlo algorithm using molecular dynamics forces' variances
Andrea Bussone, Michele Della Morte, Vincent Drach +1
Within the HMC algorithm, we discuss how, by using the shadow Hamiltonian and the Poisson brackets, one can achieve a simple factorization in the dependence of the Hamiltonian viol…
A lattice calculation of the hadronic vacuum polarization contribution to
M. Della Morte, A. Francis, A. Gérardin +8
We present results of calculations of the hadronic vacuum polarisation contribution to the muon anomalous magnetic moment. Specifically, we focus on controlling the infrared regime…
Phases of a strongly coupled four-fermion theory
David Schaich, Simon Catterall
We present ongoing investigations of a four-dimensional lattice field theory with four massless reduced staggered fermions coupled through an SU(4)-invariant four-fermion interacti…
Electromagnetic corrections to the hadronic vacuum polarization of the photon within QED and QED
Andrea Bussone, Michele Della Morte, Tadeusz Janowski
We compute the leading QED corrections to the hadronic vacuum polarization (HVP) of the photon, relevant for the determination of leptonic anomalous magnetic moments, . We…
Iso-vector axial form factors of the nucleon in two-flavour lattice QCD
Stefano Capitani, Michele Della Morte, Dalibor Djukanovic +7
We present a lattice calculation of the nucleon iso-vector axial and induced pseudoscalar form factors on the CLS ensembles using dynamical flavours of non-perturbati…
The hadronic vacuum polarization contribution to the muon from lattice QCD
M. Della Morte, A. Francis, V. Gülpers +7
We present a calculation of the hadronic vacuum polarization contribution to the muon anomalous magnetic moment, , in lattice QCD employing dynamical up and down…
A simple method to optimize HMC performance
Andrea Bussone, Michele Della Morte, Vincent Drach +4
We present a practical strategy to optimize a set of Hybrid Monte Carlo parameters in simulations of QCD and QCD-like theories. We specialize to the case of mass-preconditioning, w…
On reweighting for twisted boundary conditions
Andrea Bussone, Michele Della Morte, Martin Hansen +1
We consider the possibility of using reweighting techniques in order to correct for the breaking of unitarity when twisted boundary conditions are imposed on valence fermions in si…
Review of lattice results concerning low-energy particle physics
S. Aoki, Y. Aoki, D. Becirevic +29
We review lattice results related to pion, kaon, D- and B-meson physics with the aim of making them easily accessible to the particle physics community. More specifically, we repor…
The hadronic vacuum polarization function with O(a)-improved Wilson fermions - an update
Michele Della Morte, Gregorio Herdoiza, Hanno Horch +3
We present an update of our lattice QCD study of the vacuum polarization function using O-improved Wilson fermions with increased statistics and a large set of…
Reweighting twisted boundary conditions
Andrea Bussone, Michele Della Morte, Martin Hansen +1
Imposing twisted boundary conditions on the fermionic fields is a procedure extensively used when evaluating, for example, form factors on the lattice. Twisting is usually performe…
B-meson spectroscopy in HQET at order 1/m
Fabio Bernardoni, Benoît Blossier, John Bulava +7
We present a study of the B spectrum performed in the framework of Heavy Quark Effective Theory expanded to next-to-leading order in 1/m and non-perturbative in the strong coupling…
Nucleon electromagnetic form factors in two-flavour QCD
S. Capitani, M. Della Morte, D. Djukanovic +7
We present results for the nucleon electromagnetic form factors, including the momentum transfer dependence and derived quantities (charge radii and magnetic moment). The analysis…
Non-perturbative Heavy Quark Effective Theory: An application to semi-leptonic B-decays
Michele Della Morte, Jochen Heitger, Hubert Simma +1
We review a lattice strategy how to non-perturbatively determine the coefficients in the HQET expansion of all components of the heavy-light axial and vector currents, including 1/…
Study of the anomalous magnetic moment of the muon computed from the Adler function
Michele Della Morte, Anthony Francis, Gregorio Herdoiza +5
We compute the Adler function on the lattice from vacuum polarization data with twisted boundary conditions using numerical derivatives. The study is based on CLS ensembles with tw…
Decay constants of B-mesons from non-perturbative HQET with two light dynamical quarks
F. Bernardoni, B. Blossier, J. Bulava +8
We present a computation of B-meson decay constants from lattice QCD simulations within the framework of Heavy Quark Effective Theory for the b-quark. The next-to-leading order cor…
Determination of in three-flavour lattice QCD with Wilson fermions and tree-level improved gauge action
John Bulava, Michele Della Morte, Jochen Heitger +1
We report on an ongoing non-perturbative determination of the improvement coefficient of the axial current, , with three flavours of dynamical improved…
Matching of heavy-light flavour currents between HQET at order 1/m and QCD: I. Strategy and tree-level study
Michele Della Morte, Samantha Dooling, Jochen Heitger +2
We present a strategy how to match the full set of components of the heavy-light axial and vector currents in Heavy Quark Effective Theory (HQET), up to and including 1/m-correctio…