105 citations · 474 across the 38 of their papers we have counts for
42 papers
Probing the photon emissivity of the quark-gluon plasma without an inverse problem in lattice QCD
Marco Cè, Tim Harris, Ardit Krasniqi +2
The thermal photon emissivity of the quark-gluon plasma is determined by the in-medium spectral function of the electromagnetic current at lightlike kinematics, . In this wor…
Efficiently unquenching QCD+QED at O()
Tim Harris, Vera Gülpers, Antonin Portelli +1
We outline a strategy to efficiently include the electromagnetic interactions of the sea quarks in QCD+QED. When computing iso-spin breaking corrections to hadronic quantities at l…
Estimation of the photon production rate using imaginary momentum correlators
Csaba Török, Marco Cè, Tim Harris +3
The thermal photon emission rate is determined by the spatially transverse, in-medium spectral function of the electromagnetic current. Accessing the spectral function using Euclid…
Isospin-breaking corrections to light leptonic decays in lattice QCD+QED at the physical point
Peter Boyle, Matteo Di Carlo, Felix Erben +10
We report on the physical-point RBC/UKQCD calculation of the leading isospin-breaking corrections to light-meson leptonic decays. This is highly relevant for future precision tests…
QCD mesonic screening masses and restoration of chiral symmetry at high T
Davide Laudicina, Mattia Dalla Brida, Leonardo Giusti +2
We present a strategy to study QCD non-perturbatively on the lattice at very high temperatures. This strategy exploits a non-perturbative, finite-volume, definition of the strong c…
Aspects of chiral symmetry in QCD at T = 128 MeV
Marco Cè, Tim Harris, Ardit Krasniqi +2
We investigate several aspects of chiral symmetry in QCD at a temperature of . The study is based on a lattice-QCD ensemble with O()-improve…
Isospin-breaking corrections to light-meson leptonic decays from lattice simulations at physical quark masses
Peter Boyle, Matteo Di Carlo, Felix Erben +10
The decreasing uncertainties in theoretical predictions and experimental measurements of several hadronic observables related to weak processes, which in many cases are now smaller…
QCD mesonic screening masses up to high temperatures
Mattia Dalla Brida, Leonardo Giusti, Tim Harris +2
We discuss a strategy to study non-perturbatively QCD up to very high temperatures by Monte Carlo simulations on the lattice. It allows not only the thermodynamic properties of the…
Photon emissivity of the quark-gluon plasma: a lattice QCD analysis of the transverse channel
Marco Cè, Tim Harris, Ardit Krasniqi +2
We present results for the thermal photon emissivity of the quark-gluon plasma derived from spatially transverse vector correlators computed in lattice QCD at a temperature of 250…
Near-Physical Point Lattice Calculation of Isospin-Breaking Corrections to
Andrew Zhen Ning Yong, Peter Boyle, Matteo Di Carlo +9
In recent years, lattice determinations of non-perturbative quantities such as and , which are relevant for and , have reached an impressive precision o…
Computation of QCD meson screening masses at high temperature
Davide Laudicina, Mattia Dalla Brida, Leonardo Giusti +2
We compute flavor non-singlet meson screening masses in the chiral limit of QCD with quarks. The calculation is carried out at 12 temperatures from GeV up to t…
Multi-level computation of the hadronic vacuum polarization contribution to
Leonardo Giusti, Mattia Dalla Brida, Tim Harris +1
The first results from the Fermilab E989 experiment have confirmed the long-standing tension between the experimental determination of the muon anomalous magnetic moment $a_μ=(g_μ-…
Non-perturbative thermal QCD at all temperatures: the case of mesonic screening masses
Mattia Dalla Brida, Leonardo Giusti, Tim Harris +2
We present a strategy based on the step-scaling technique to study non-perturbatively thermal QCD up to very high temperatures. As a first concrete application, we compute the flav…
Estimating the thermal photon production rate using lattice QCD
Csaba Török, Marco Cè, Tim Harris +3
We present results for the photon emission rate determined from the transverse channel vector correlator at fixed spatial momentum using two flavors of dynamical Wilson fermions at…
Deep inelastic scattering off quark-gluon plasma and its photon emissivity
Marco Cè, Tim Harris, Harvey B. Meyer +2
The photon emissivity of quark-gluon plasma probes the interactions in the medium and differs qualitatively between a weakly coupled and a strongly coupled plasma in the soft-photo…
Vacuum correlators at short distances from lattice QCD
Tim Harris, Marco Cè, Harvey B. Meyer +2
We propose a method to help control cutoff effects in the short-distance contribution to integrated correlation functions, such as the hadronic vacuum polarization (HVP), using the…
Improved analysis of nucleon isovector charges and twist-2 matrix elements on CLS ensembles
Konstantin Ottnad, Dalibor Djukanovic, Tim Harris +3
Preliminary results are presented for nucleon isovector charges and twist-2 matrix elements which have been obtained employing an improved analysis strategy to deal with excited-st…
Vacuum correlators at short distances from lattice QCD
Marco Cè, Tim Harris, Harvey B. Meyer +2
Non-perturbatively computing the hadronic vacuum polarization at large photon virtualities and making contact with perturbation theory enables a precision determination of the elec…
Isovector electromagnetic form factors of the nucleon from lattice QCD and the proton radius puzzle
D. Djukanovic, T. Harris, G. von Hippel +7
We present results for the isovector electromagnetic form factors of the nucleon computed on the CLS ensembles with flavors of -improved Wilson fermions a…
A novel computational paradigm for a precise determination of the hadronic contribution to from lattice QCD
Leonardo Giusti, Mattia Dalla Brida, Tim Harris +1
The hadronic contribution to the muon anomalous magnetic moment has to be determined at the per-mille level for the Standard Model prediction to match the expected…
Deep inelastic scattering on the quark-gluon plasma
Tim Harris, Harvey B. Meyer, Arianna Toniato +1
We provide an interpretation of the structure functions of a thermal medium such as the quark-gluon plasma in terms of the scattering of an incoming electron on the medium via the…
Multi-level Monte Carlo computation of the hadronic vacuum polarization contribution to
Mattia Dalla Brida, Leonardo Giusti, Tim Harris +1
The hadronic contribution to the muon anomalous magnetic moment has to be determined at the per-mille level for the Standard Model prediction to match the expected…
Frequency-splitting estimators for single-propagator traces
Leonardo Giusti, Tim Harris, Alessandro Nada +1
In these proceedings we address the computation of quark-line disconnected diagrams in lattice QCD. The evaluation of these diagrams is required for many phenomenologically interes…
The rate of photon production in the quark-gluon plasma from lattice QCD
Marco Cè, Tim Harris, Harvey B. Meyer +2
We calculate the thermal rate of real-photon production in the quark-gluon plasma at a temperature of MeV using lattice QCD. The calculation is based on the difference betw…