Publications (139)
Delta-baryon electromagnetic form factors in lattice QCD
C. Alexandrou, T. Korzec, G. Koutsou +6
Ratio of kaon and pion leptonic decay constants with $N_f = 2 + 1 + 1$ Wilson-clover twisted-mass fermions
C. Alexandrou, S. Bacchio, G. Bergner +12
The Leptonic Decay Constants of $\bar{Q}q$ Mesons and the Lattice Resolution
C. Alexandrou, S. Güsken, F. Jegerlehner +3
A novel method for the determination of hadron excited states in Lattice QCD applied to the nucleon
C. Alexandrou, C. N. Papanicolas, E. Stiliaris
Nucleon Structure using lattice QCD
C. Alexandrou, M. Constantinou, V. Drach +6
The $Î(1232)$ axial charge and form factors from lattice QCD
C. Alexandrou, E. B. Gregory, T. Korzec +4
A lattice study of the pentaquark states
C. Alexandrou, A. Tsapalis
Probing hadron wave functions in Lattice QCD
C. Alexandrou, Ph. de Forcrand, A. Tsapalis
Complete flavor decomposition of the spin and momentum fraction of the proton using lattice QCD simulations at physical pion mass
C. Alexandrou, S. Bacchio, M. Constantinou +6
Hadron Structure and Form Factors
C. Alexandrou
Nucleon generalized form factors with twisted mass fermions
C. Alexandrou, M. Constantinou, V. Drach +3
Quark masses using twisted mass fermion gauge ensembles
C. Alexandrou, S. Bacchio, G. Bergner +24
A novel analysis method for excited states in lattice QCD - the nucleon case
C. Alexandrou, T. Leontiou, C. N. Papanicolas +1
Precision QCD with the Electron-Ion Collider
C. Alexandrou, M. Arratia, E. C. Aschenauer +66
Lattice QCD with the Overlap-Dirac Operator: Its $Î$ Parameter, and One-Loop Renormalization of Fermionic Currents
C. Alexandrou, E. Follana, H. Panagopoulos +1
Hadron Deformation and Form Factors from Lattice QCD
C. Alexandrou
The low-lying baryon spectrum with two dynamical twisted mass fermions
C. Alexandrou, R. Baron, J. Carbonell +5
Non-perturbative renormalization of quark and gluon operators using a gauge-invariant scheme
G. Spanoudes, C. Alexandrou, J. Finkenrath +3
Momentum dependence of the N to Delta transition form factors
C. Alexandrou, Ph. de Forcrand, H. Neff +3
Nucleon charges and $Ï$-terms in lattice QCD
C. Alexandrou, S. Bacchio, J. Finkenrath +4
Time windows of the muon HVP from twisted-mass lattice QCD
C. Alexandrou, S. Bacchio, P. Dimopoulos +13
The relevance of center vortices
C. Alexandrou, M. D'Elia, Ph. de Forcrand
Nucleon form factors and moments of generalized parton distributions using $N_f=2+1+1$ twisted mass fermions
C. Alexandrou, M. Constantinou, S. Dinter +4
Sigma-terms and axial charges for hyperons and charmed baryons
C. Alexandrou, K. Hadjiyiannakou, K. Jansen +1
Static three- and four-quark potentials
C. Alexandrou, Ph. de Forcrand, A. Tsapalis
The nucleon spin and momentum decomposition using lattice QCD simulations
C. Alexandrou, M. Constantinou, K. Hadjiyiannakou +5
Baryon structure from Lattice QCD
C. Alexandrou
Hadron form factors using density-density correlators
C. Alexandrou, G. Koutsou, H. Neff
Proton and neutron electromagnetic form factors from lattice QCD
C. Alexandrou, S. Bacchio, M. Constantinou +5
N to Delta electromagnetic and axial form factors in full QCD
C. Alexandrou
Thermodynamics of 1-flavor QCD
C. Alexandrou, A. Boriçi, A. Feo +4
Lattice calculation of the short and intermediate time-distance hadronic vacuum polarization contributions to the muon magnetic moment using twisted-mass fermions
C. Alexandrou, S. Bacchio, P. Dimopoulos +13
Heavy-light baryonic mass splittings from the lattice
C. Alexandrou, A. Borrelli, S. Guesken +4
The Infrared behaviour of the gluon propagator in SU(2) and SU(3) without lattice Gribov copies
C. Alexandrou, Ph. de Forcrand, E. Follana
The pion vector form factor from Lattice QCD at the physical point
C. Alexandrou, S. Bacchio, P. Dimopoulos +9
The static three-quark SU(3) and four-quark SU(4) potentials
C. Alexandrou, Ph. de Forcrand, A. Tsapalis
$\langle x\rangle$ and $\langle x^2\rangle$ of the pion PDF from Lattice QCD with $N_f=2+1+1$ dynamical quark flavours
M. Oehm, C. Alexandrou, M. Constantinou +6
Nucleon spin and quark content at the physical point
C. Alexandrou, M. Constantinou, K. Hadjiyiannakou +5
Results in the static approximation
C. Alexandrou, S. Guesken, F. Jegerlehner +2
Partially quenched study of strange baryon with Nf = 2 twisted mass fermions
V. Drach, M. Brinet, J. Carbonell +11
Evaluation of disconnected contributions using GPUs
C. Alexandrou, V. Drach, K. Hadjiyiannakou +4
The Gluon Propagator without lattice Gribov copies
C. Alexandrou, Ph. de Forcrand, E. Follana
The Matter Density Distribution for Mesons and Baryons
C. Alexandrou, Ph. de Forcrand, A. Tsapalis
Full QCD with the Lüscher local bosonic action
C. Alexandrou, A. Borrelli, Ph. de Forcrand +2
The N to Delta electromagnetic transition form factors from Lattice QCD
C. Alexandrou, Ph. de Forcrand, H. Neff +3
The static tetraquark and pentaquark potentials
C. Alexandrou, G. Koutsou
The Laplacian Gauge Gluon Propagator in SU(N_c)
C. Alexandrou, Ph. de Forcrand, E. Follana
One-flavour QCD at finite temperature
C. Alexandrou, A. Borici, A. Feo +4
Hadron deformation from Lattice QCD
C. Alexandrou
Direct Evaluation of the Quark Content of Nucleons from Lattice QCD at the Physical Point
A. Abdel-Rehim, C. Alexandrou, M. Constantinou +5
Renormalization constants for 2-twist operators in twisted mass QCD
C. Alexandrou, M. Constantinou, T. Korzec +2
Renormalization constants for one-derivative fermion operators in twisted mass QCD
C. Alexandrou, M. Constantinou, T. Korzec +2
Delta electromagnetic form factors and quark transverse charge densities from lattice QCD
C. Alexandrou, T. Korzec, G. Koutsou +5
Renormalization constants of local operators for Wilson type improved fermions
C. Alexandrou, M. Constantinou, T. Korzec +2
The Matter and the Pseudoscalar Densities in Lattice QCD
C. Alexandrou, Ph. de Forcrand, A. Tsapalis
Variational treatment of quenched QED using the worldline technique
A. W. Schreiber, C. Alexandrou, R. Rosenfelder
Baryon spectrum using Nf=2+1+1 ensembles of twisted mass fermions
C. Alexandrou, V. Drach, K. Hadjiyiannakou +3
The nucleon electromagnetic form factors from Lattice QCD
C. Alexandrou, G. Koutsou, J. W. Negele +1
Nucleon Excited States in N$_f$=2 lattice QCD
C. Alexandrou, T. Korzec, G. Koutsou +1
Variational Field Theoretic Approach to Relativistic Scattering
C. Alexandrou, R. Rosenfelder, A. W. Schreiber
Searching for diquarks in hadrons
C. Alexandrou, Ph de Forcrand, B. Lucini
Determination of Delta resonance parameters from lattice QCD
C. Alexandrou, J. W. Negele, M. Petschlies +2
Sigma terms and strangeness content of the nucleon with $Nf=2+1+1$ twisted mass fermions
C. Alexandrou, M. Constantinou, S. Dinter +6
Nucleon form factors with Nf=2 dynamical twisted mass fermions
C. Alexandrou, T. Korzec, G. Koutsou +6
N and N to Delta transition form factors from Lattice QCD
C. Alexandrou
Nucleon and pion structure with lattice QCD simulations at physical value of the pion mass
A. Abdel-Rehim, C. Alexandrou, M. Constantinou +12
Quark flavor decomposition of the nucleon axial form factors
C. Alexandrou, S. Bacchio, M. Constantinou +3
First moments of the nucleon transverse quark spin densities using lattice QCD
C. Alexandrou, S. Bacchio, M. Constantinou +9
Axial Nucleon to Delta transition form factors on 2+1 flavor hybrid lattices
C. Alexandrou, G. Koutsou, Th. Leontiou +2
Strange and charm quark contributions to the muon anomalous magnetic moment in lattice QCD with twisted-mass fermions
C. Alexandrou, S. Bacchio, A. De Santis +15
Axial Nucleon and Nucleon to Delta form fractors and the Goldberger-Treiman Relations from Lattice QCD
C. Alexandrou, G. Koutsou, Th. Leontiou +2
Nucleon electromagnetic form factors in twisted mass lattice QCD
C. Alexandrou, M. Brinet, J. Carbonell +6
Strange and charm baryon masses with two flavors of dynamical twisted mass fermions
C. Alexandrou, J. Carbonell, D. Christaras +3
Masses and decay constants of the B-system in Lattice QCD
C. Alexandrou
Inclusive hadronic decay rate of the $Ï$ lepton from lattice QCD: the $\bar u s$ flavour channel and the Cabibbo angle
C. Alexandrou, S. Bacchio, A. De Santis +13
First Physics Results at the Physical Pion Mass from $N_f = 2$ Wilson Twisted Mass Fermions at Maximal Twist
ETM Collaboration, A. Abdel-Rehim, C. Alexandrou +20
The Shape of Hadrons
C. Alexandrou, C. N. Papanicolas, M. Vanderhaeghen
The Gluon Propagator without lattice Gribov copies on a finer lattice
C. Alexandrou, Ph. de Forcrand, E. Follana
N to Delta transition form factors with Nf=2+1 domain wall fermions
C. Alexandrou, G. Koutsou, J. W. Negele +3
Nucleon axial and pseudoscalar form factors from lattice QCD at the physical point
C. Alexandrou, S. Bacchio, M. Constantinou +8
Moments of nucleon generalized parton distributions from lattice QCD simulations at physical pion mass
C. Alexandrou, S. Bacchio, M. Constantinou +9
Disconnected quark loop contributions to nucleon observables in lattice QCD
A. Abdel-Rehim, C. Alexandrou, M. Constantinou +5
Nucleon strange electromagnetic form factors
C. Alexandrou, S. Bacchio, M. Constantinou +4
Omega baryon electromagnetic form factors from lattice QCD
C. Alexandrou, T. Korzec, G. Koutsou +1
Pion Transition Form Factor from Twisted-Mass Lattice QCD and the Hadronic Light-by-Light $Ï^0$-pole Contribution to the Muon $g-2$
C. Alexandrou, S. Bacchio, G. Bergner +14
The Feynman Variational Principle in the Worldline Representation of Field Theory
R. Rosenfelder, C. Alexandrou, A. W. Schreiber
PLQCD library for Lattice QCD on multi-core machines
A. Abdel-Rehim, C. Alexandrou, N. Anastopoulos +3
Nucleon axial, tensor and scalar charges and $Ï$-terms in lattice QCD
C. Alexandrou, S. Bacchio, M. Constantinou +4
Evaluation of disconnected quark loops for hadron structure using GPUs
C. Alexandrou, M. Constantinou, V. Drach +5
The electromagnetic form factors of the Omega in lattice QCD
C. Alexandrou, T. Korzec, G. Koutsou +2
Strange nucleon electromagnetic form factors from lattice QCD
C. Alexandrou, M. Constantinou, K. Hadjiyiannakou +4
Axial charges of hyperons and charmed baryons using $N_f=2+1+1$ twisted mass fermions
C. Alexandrou, K. Hadjiyiannakou, Ch. Kallidonis
The ground state of three quarks
C. Alexandrou, Ph. de Forcrand, O. Jahn
Determination of the $Î(1232)$ axial and pseudoscalar form factors from lattice QCD
C. Alexandrou, E. B. Gregory, T. Korzec +4
Progress in Simulations with Twisted Mass Fermions at the Physical Point
A. Abdel-Rehim, C. Alexandrou, P. Dimopoulos +8
Nucleon form factors and moments of parton distributions in twisted mass lattice QCD
C. Alexandrou, M. Brinet, J. Carbonell +7
Thermodynamics of One-flavour QCD
C. Alexandrou, A. Boriçi, A. Feo +4
Light baryon masses with dynamical twisted mass fermions
C. Alexandrou, R. Baron, B. Blossier +17
Efficiency of the UV-filtered Multiboson algorithm
C. Alexandrou, Ph. de Forcrand, M. D'Elia +1
Worldline path integral for the massive Dirac propagator : A four-dimensional approach
C. Alexandrou, R. Rosenfelder, A. W. Schreiber