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Type: Journal article
Title: Nucleon distribution amplitudes from lattice QCD
Author: Gockeler, M.
Horsley, R.
Kaltenbrunner, T.
Nakamura, Y.
Pleiter, D.
Rakow, P.
Schafer, A.
Schierholz, G.
Stüben, H.
Warkentin, N.
Zanotti, J.
Citation: Physical Review Letters, 2008; 101(11):112002:1-112002:4
Publisher: American Physical Soc
Issue Date: 2008
ISSN: 0031-9007
Statement of
Meinulf Göckeler, Roger Horsley, Thomas Kaltenbrunner, Yoshifumi Nakamura, Dirk Pleiter, Paul E. L. Rakow, Andreas Schäfer, Gerrit Schierholz, Hinnerk Stüben, Nikolaus Warkentin, and James M. Zanotti (QCDSF Collaboration)
Abstract: We calculate low moments of the leading-twist and next-to-leading-twist nucleon distribution amplitudes on the lattice using two flavors of clover fermions. The results are presented in the MS̅ scheme at a scale of 2 GeV and can be immediately applied in phenomenological studies. We find that the deviation of the leading-twist nucleon distribution amplitude from its asymptotic form is less pronounced than sometimes claimed in the literature.
Keywords: QCDSF Collaboration
Rights: © 2008 The American Physical Society
RMID: 0020120170
DOI: 10.1103/PhysRevLett.101.112002
Appears in Collections:Chemistry and Physics publications

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