Search Results - "Alexandrou, C"

Nucleon Spin and Momentum Decomposition Using Lattice QCD Simulations by Alexandrou, C, Constantinou, M, Hadjiyiannakou, K, Jansen, K, Kallidonis, C, Koutsou, G, Avilés-Casco, A Vaquero, Wiese, C

“…We determine within lattice QCD the nucleon spin carried by valence and sea quarks and gluons. The calculation is performed using an ensemble of gauge…”
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Direct Evaluation of the Quark Content of Nucleons from Lattice QCD at the Physical Point by Abdel-Rehim, A, Alexandrou, C, Constantinou, M, Hadjiyiannakou, K, Jansen, K, Kallidonis, Ch, Koutsou, G, Avilés-Casco, A Vaquero

“…We evaluate the light, strange, and charm scalar content of the nucleon using one lattice QCD ensemble generated with two degenerate light quarks with mass…”
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Nucleon and pion structure with lattice QCD simulations at physical value of the pion mass by Abdel-Rehim, A., Alexandrou, C., Constantinou, M., Dimopoulos, P., Frezzotti, R., Hadjiyiannakou, K., Jansen, K., Kallidonis, Ch, Kostrzewa, B., Koutsou, G., Mangin-Brinet, M., Oehm, M., Rossi, G. C., Urbach, C., Wenger, U.

“…We present results on the nucleon scalar, axial, and tensor charges as well as on the momentum fraction, and the helicity and transversity moments. The pion…”
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Axial nucleon form factors from lattice QCD by Alexandrou, C., Brinet, M., Carbonell, J., Constantinou, M., Harraud, P. A., Guichon, P., Jansen, K., Korzec, T., Papinutto, M.

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Moments of nucleon generalized parton distributions from lattice QCD by Alexandrou, C., Carbonell, J., Constantinou, M., Harraud, P. A., Guichon, P., Jansen, K., Kallidonis, C., Korzec, T., Papinutto, M.

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Evaluation of disconnected quark loops for hadron structure using GPUs by Alexandrou, C., Constantinou, M., Drach, V., Hadjiyiannakou, K., Jansen, K., Koutsou, G., Strelchenko, A., Vaquero, A.

“…A number of stochastic methods developed for the calculation of fermion loops are investigated and compared, in particular with respect to their efficiency…”
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Nucleon electromagnetic form factors in twisted mass lattice QCD by Alexandrou, C., Brinet, M., Carbonell, J., Constantinou, M., Harraud, P. A., Guichon, P., Jansen, K., Korzec, T., Papinutto, M.

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Evidence for diquarks in lattice QCD by Alexandrou, C, de Forcrand, Ph, Lucini, B

“…Diquarks may play an important role in hadron spectroscopy, baryon decays, and color superconductivity. We investigate the existence of diquark correlations in…”
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Evaluation of fermion loops applied to the calculation of the mass and the nucleon scalar and electromagnetic form factors by Alexandrou, C., Hadjiyiannakou, K., Koutsou, G., OʼCais, A., Strelchenko, A.

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N-to-Delta axial transition form factors from lattice QCD by Alexandrou, C, Leontiou, Th, Negele, J W, Tsapalis, A

“…We evaluate the N to Delta axial transition form factors in lattice QCD with no dynamical sea quarks, with two degenerate flavors of dynamical Wilson quarks,…”
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N-to-Δ electromagnetic-transition form factors from lattice QCD by ALEXANDROU, C, DE FORCRAND, Ph, NEFF, H, NEGELE, J. W, SCHROERS, W, TSAPALIS, A

“…The magnetic dipole (M1), the electric quadrupole (E2), and the Coulomb quadrupole (C2) amplitudes for gammaN-->Delta are calculated in quenched lattice QCD…”
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Media framing and construction of childhood obesity: a content analysis of Swedish newspapers by Hooft, J., Patterson, C., Löf, M., Alexandrou, C., Hilton, S., Nimegeer, A.

“…Summary Objective Despite lower prevalence than most European countries, childhood obesity is a Swedish public health priority due to its lasting health…”
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Probing hadron wave functions in lattice QCD by Alexandrou, C., de Forcrand, Ph, Tsapalis, A.

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Gluon propagator without lattice Gribov copies by Alexandrou, C., de Forcrand, Ph, Follana, E.

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The role of center vortices in QCD by Alexandrou, C., de Forcrand, Ph, D’Elia, M.

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One-loop renormalization of fermionic currents with the overlap-Dirac operator by Alexandrou, C., Follana, E., Panagopoulos, H., Vicari, E.

“…We compute the one-loop lattice renormalization of the two-quark operators ψ ̄ Γψ , where Γ denotes the generic Dirac matrix, for the lattice formulation of…”
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Matter and pseudoscalar densities in lattice QCD by Alexandrou, C., de Forcrand, Ph, Tsapalis, A.

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Disconnected quark loop contributions to nucleon observables in lattice QCD by Abdel-Rehim, A., Alexandrou, C., Constantinou, M., Drach, V., Hadjiyiannakou, K., Jansen, K., Koutsou, G., Vaquero, A.

“…We perform a high statistics calculation of disconnected fermion loops on graphics processing units for a range of nucleon matrix elements extracted using…”
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Topological charge using cooling and the gradient flow by Alexandrou, C., Athenodorou, A., Jansen, K.

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Λ-parameter of lattice QCD with the overlap-Dirac operator by Alexandrou, C., Panagopoulos, H., Vicari, E.

“…We compute the ratio Λ L/Λ MS between the scale parameter Λ L , associated with a lattice formulation of QCD using the overlap-Dirac operator, and Λ MS of the…”
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