An Update on Distribution Amplitudes of the Nucleon and its Parity Partner
hep-lat
/ Authors
R. W. Schiel, G. S. Bali, V. M. Braun, S. Collins, M. Göckeler, C. Hagen, R. Horsley, Y. Nakamura, D. Pleiter, P. E. L. Rakow
and 5 more authors
A. Schäfer, G. Schierholz, H. Stüben, P. Wein, J. M. Zanotti
/ Abstract
The calculation of baryon wave functions at small inter-quark separations is an ongoing effort within the QCDSF collaboration. In this update on normalization constants and distribution amplitudes of the nucleon and its negative parity partner, N* (1535), we present new lattice data which helps us controlling finite size effects. We use new chiral perturbation theory results to perform the extrapolation to the physical point.