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5 papers · 2 filters
Hadronic Interactions with Lattice QCD
Andre Walker-Loud
I discuss recent results of the NPLQCD Collaboration regarding the calculation of hadronic interactions with lattice QCD. A particular emphasis will be spent on pi-pi scattering an…
Is there an Ay problem in low-energy neutron-proton scattering?
Franz Gross, Alfred Stadler
We calculate Ay in neutron-proton scattering for the interactions models WJC-1 and WJC-2 in the Covariant Spectator Theory. We find that the recent 12 MeV measurements performed at…
Hyperons in Two Flavor Chiral Perturbation Theory
Brian C. Tiburzi, Andre Walker-Loud
We use two-flavor chiral perturbation theory to describe hyperons. We focus on the strangeness conserving sector, and, as an example, calculate hyperon masses. Convergence of this…
Medium modifications of the bound nucleon GPDs and incoherent DVCS on nuclear targets
V. Guzey, A. W. Thomas, K. Tsushima
We study incoherent DVCS on He in the reaction, which probes medium-modifications of the bound nucleon GPDs and elastic form factors. Assuming tha…
Covariant spectator theory of np scattering: Phase shifts obtained from precision fits to data below 350 MeV
Franz Gross, Alfred Stadler
Using the covariant spectator theory (CST), we present two one boson exchange kernels that have been successfully adjusted to fit the 2007 world np data (containing 3788 data) belo…