PoS - Proceedings of Science
Volume 256 - 34th annual International Symposium on Lattice Field Theory (LATTICE2016) - Hadron Structure
Partially conserved axial vector current and applications
R. Horsley, S. Kazmin, Y. Nakamura, H. Perlt*, P. Rakow, G. Schierholz, A. Schiller and J. Zanotti
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Pre-published on: January 06, 2017
Published on: March 24, 2017
We investigate implications of the use of the point-split axial
vector current derived from a Wilson like fermionic action. We compute the corresponding renormalization factor nonperturbatively for one beta value. The axial charge gA calculated from this nonlocal current is found to be nearer to the physical value than computed with the local axial vector current -- computed both on the same lattice with the same action.
DOI: https://doi.org/10.22323/1.256.0149
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