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Baryon wave functions from lattice QCD

URN to cite this document:
urn:nbn:de:bvb:355-epub-265009
Braun, Vladimir M. ; Göckeler, Meinulf ; Horsley, Roger ; Nakamura, Yoshifumi ; Pleiter, Dirk ; Rakow, Paul E. L ; Schäfer, Andreas ; Schiel, R. ; Schierholz, Gerrit ; Stüben, Hirnnerk ; Wein, P. ; Zanotti, James M. ; QCDSF, Colaboration
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Date of publication of this fulltext: 23 Oct 2012 06:33


Abstract

We describe an ongoing project by the QCDSF collaboration to calculate baryon wave functions at small inter-quark separation using lattice QCD. Preliminary results are presented for the wave functions at the origin and momentum fractions carried by the valence quarks in the nucleon and its negative parity partner, N* (1535). The calculations are done using two flavors of dynamical (clover) fermions on lattices of different volume and pion masses down to mπ ≃ 180 MeV.


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