PoS - Proceedings of Science
Volume 396 - The 38th International Symposium on Lattice Field Theory (LATTICE2021) - Oral presentation
Strange and charm contributions to nucleon charges and moments
R. Zhang*, T. Bhattacharya, R. Gupta, H.W. Lin, S. Mondal, S. Park and B. Yoon
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Pre-published on: May 16, 2022
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Abstract
We present preliminary results for strange and charm contributions to nucleon charges and moments. The scalar, axial and tensor charges, and unpolarized first moments are calculated using clover-on-HISQ formulation and cover four lattice spacings, $a=\{0.06,0.09,0.12, 0.15\}$~fm, and three pion masses, $M_\pi=\{310,220,130\}$~MeV. The renormalization factors are calculated nonperturbatively using the RI-sMOM scheme. We carry out a chiral and continuum extrapolation to obtain physical results.
DOI: https://doi.org/10.22323/1.396.0498
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