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8 papers · 1 filter
Transverse spin structure of the nucleon from lattice QCD simulations
M. Göckeler, Ph. Hägler, R. Horsley +7
We present the first calculation in lattice QCD of the lowest two moments of transverse spin densities of quarks in the nucleon. They encode correlations between quark spin and orb…
Rigorous FEM-Simulation of EUV-Masks: Influence of Shape and Material Parameters
J. Pomplun, S. Burger, F. Schmidt +4
We present rigorous simulations of EUV masks with technological imperfections like side-wall angles and corner roundings. We perform an optimization of two different geometrical pa…
Rigorous Simulation of 3D Masks
S. Burger, R. Köhle, L. Zschiedrich +4
We perform 3D lithography simulations by using a finite-element solver. To proof applicability to real 3D problems we investigate DUV light propagation through a structure of size…
Probing Nucleon Structure on the Lattice
M. Göckeler, Ph. Hägler, R. Horsley +8
The QCDSF/UKQCD collaboration has an ongoing program to calculate nucleon matrix elements with two flavours of dynamical O(a) improved Wilson fermions. Here we present recent resul…
The pion form factor from lattice QCD with two dynamical flavours
D. Brömmel, M. Diehl, M. Göckeler +9
We compute the electromagnetic form factor of the pion using non-perturbatively O(a) improved Wilson fermions. The calculations are done for a wide range of pion masses and lattice…
Moments of pseudoscalar meson distribution amplitudes from the lattice
V. M. Braun, M. Göckeler, R. Horsley +8
Based on lattice simulations with two flavours of dynamical, O(a)-improved Wilson fermions we present results for the first two moments of the distribution amplitudes of pseudoscal…