PoS - Proceedings of Science
Volume 334 - The 36th Annual International Symposium on Lattice Field Theory (LATTICE2018) - Hadron Structure
Updates on Nucleon Form Factors from Clover-on-HISQ Lattice Formulation
Y.C. Jang,* T. Bhattacharya, R. Gupta, H.W. Lin, B. Yoon on behalf of PNDME Collaboration
*corresponding author
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Published on: May 29, 2019
Abstract
Updates on results for the electric, magnetic and axial vector form factors are presented. The data analyzed cover high statistics measurements on 11 ensembles generated with 2+1+1 flavors of HISQ fermions by the MILC collaboration. The data cover the range $0.05\;\mathrm{fm} < a < 0.15\;\mathrm{fm}$ in lattice spacing, $135\;\mathrm{MeV} < M_\pi < 320\;\mathrm{MeV}$ in the pion mass and $3.3 < M_\pi L < 5.5 $ in the lattice size. Fits to control excited-state contamination use up to 3-states in the spectral decomposition of the 3-point functions. The simultaneous chiral-continuum-finite-volume fits include leading order corrections in each of the three variables.
DOI: https://doi.org/10.22323/1.334.0123
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