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Volume 256 - 34th annual International Symposium on Lattice Field Theory (LATTICE2016) - Hadron Structure
Parton Distributions from Lattice QCD with momentum smearing
C. Alexandrou, K. Cichy, M. Constantinou, K. Hadjiyiannakou, K. Jansen, F. Steffens, C. Wiese*
*corresponding author
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Pre-published on: 2017 February 27
Published on: 2017 March 24
In this work we continue our effort to explore a recent proposal, which allows light-cone distributions to be extracted from purely spatial correlations, being thus accessible to lattice methods. In order to test the feasibility of this method, we present our latest results from a twisted mass lattice calculation of the flavor non-singlet momentum, helicity and transversity distributions of the nucleon. Furthermore, we apply a newly proposed momentum improved smearing, which has the potential to reach higher nucleon momenta as required for a safe matching procedure to the physical distribution functions.
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