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5 papers · 1 filter
Transverse momentum distributions of quarks in the nucleon from Lattice QCD
Bernhard U. Musch, Philipp Hägler, Andreas Schäfer +3
Transverse momentum dependent parton distribution functions (TMDPDFs) encode information about the intrinsic motion of quarks inside the nucleon. They are important non-perturbativ…
Finite Size Scaling for the O(N) universality class from Renormalization Group Methods
Bertram Klein, Jens Braun
The QCD phase diagram at finite temperature and density is a topic of considerable interest. Although much progress has been made in recent years, some open questions remain. Even…
Exploring the structure of the quenched QCD vacuum with overlap fermions
E. -M. Ilgenfritz, K. Koller, Y. Koma +3
Overlap fermions have an exact chiral symmetry on the lattice and are thus an appropriate tool for investigating the chiral and topological structure of the QCD vacuum. We study va…
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…
Chiral Extrapolations and the Covariant Small Scale Expansion
Véronique Bernard, Thomas R. Hemmert, Ulf-G. Meißner
We calculate the nucleon and the delta mass to fourth order in a covariant formulation of the small scale expansion. We analyze lattice data from the MILC collaboration and demonst…