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arxiv: 1112.0473 · v1 · submitted 2011-12-02 · ✦ hep-lat

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An Update on Distribution Amplitudes of the Nucleon and its Parity Partner

R. W. Schiel , G. S. Bali , V. M. Braun , S. Collins , M. G\"ockeler , C. Hagen , R. Horsley , Y. Nakamura
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D. Pleiter P. E. L. Rakow A. Sch\"afer G. Schierholz H. St\"uben P. Wein J. M. Zanotti
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classification ✦ hep-lat
keywords amplitudesdistributionnucleonparitypartnerupdatebaryoncalculation
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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.

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