The 38th International Symposium on Lattice Field Theory

Strange and charm contributions to nucleon charges and moments

27 Jul 2021, 21:45

15m

Oral presentation Hadron Structure Hadron Structure

Speaker

Rui Zhang (Michigan state university)

Description

We present preliminary lattice calculations of strange and charm contributions to nucleon charges and moments. The scalar charge, axial charge, tensor charge, and unpolarized first moments are calculated on five clover-on-HISQ lattices covering three lattice spacings $a=\{0.06,0.09,0.12\}$~fm and three pion masses $M_{\pi }=\{310,220,130\}$~MeV. We renormalize the matrix elements with nonperturbative renormalization factors then apply chiral and continuum extrapolation to obtain results in the physical limit.

Presentation materials

2021_Rui_Lattice2021_Presentation.pdf

Strange and charm contributions to nucleon charges and moments