437 citations
- University of CyprusCY163 papers
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12 papers · 1 filter
Baryon spectrum using Nf=2+1+1 ensembles of twisted mass fermions
C. Alexandrou, V. Drach, K. Hadjiyiannakou +3
We present results on the masses of the low-lying baryons using ten ensembles of gauge configurations with dynamical twisted mass fermions, at three values of the latt…
The hadronic vacuum polarization and automatic O(a) improvement for twisted mass fermions
Florian Burger, Grit Hotzel, Karl Jansen +1
The vacuum polarization tensor and the corresponding vacuum polarization function are the basis for calculations of numerous observables in lattice QCD. Examples are the hadronic c…
A novel analysis method for excited states in lattice QCD - the nucleon case
C. Alexandrou, T. Leontiou, C. N. Papanicolas +1
We employ a novel method to analyze Euclidean correlation functions entering the calculation of hadron energies in lattice QCD. The method is based on the sampling of all possible…
Hadron structure from lattice QCD - outlook and future perspectives
Constantia Alexandrou
We review results on hadron structure using lattice QCD simulations with pion masses close or at to the physical value. We pay particular attention to recent successes on the compu…
Nucleon observables and axial charges of other baryons using twisted mass fermions
Constantia Alexandrou, Martha Constantinou, Kyriakos Hadjiyiannakou +3
We present results on the nucleon scalar, axial and tensor charges, as well as, on the first moments of the unpolarized, polarized and transversity parton distributions using $N_f=…
Lepton anomalous magnetic moments from twisted mass fermions
Florian Burger, Grit Hotzel, Karl Jansen +1
We present our results for the leading-order hadronic quark-connected contributions to the electron, the muon, and the tau anomalous magnetic moments obtained with four dynamical q…