Nucleon and $N^* (1535)$ Distribution Amplitudes

Details Nucleon and $N^* (1535)$ Distribution Amplitudes Nucleon and $N^* (1535)$ Distribution Amplitudes

2010-11-04

arxiv.org/abs/1011.1092v1

Physics

High Energy Physics

High Energy Physics - Lattice

6 pages, 4 figures, talk given at the XXVIII International Symposium on Lattice Field Theory (Lattice 2010), June 14-19 2010,

Scientific paper

The QCDSF collaboration has investigated the distribution amplitudes and wavefunction normalization constants of the nucleon and its parity partner, the $N^* (1535)$. We report on recent progress in the calculation of these quantities on configurations with two dynamical flavors of $\mathcal{O}(a)$-improved Wilson fermions. New data at pion masses of approximately 270 MeV helps in significantly reducing errors in the extrapolation to the physical point.

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