Speaker
Yin Lin
(University of Chicago)
Description
In this talk, I will report our group's progress on calculating the nucleon axial form factor with the HISQ action for both valence and sea quarks. Nucleon matrix elements with staggered fermions require careful analysis of the staggered symmetry group. I will report a solution based on the generalized Wigner-Eckart theorem that enables us to extract physical observables from staggered observables. I will present published results for nucleon axial and vector charges and preliminary results on the form factors to demonstrate the feasibility of our methodology.
Primary authors
Aaron Meyer
(University of California Berkeley)
Aida El-Khadra
(UIUC)
Alexei Strelchenko
(F)
Andreas Kronfeld
(Fermilab)
Ciaran Hughes
(Fermilab)
Elvira Gamiz
(University of Granada)
Dr
James Simone
(Fermilab)
Steven Gottlieb
(Indiana University)
Yin Lin
(University of Chicago)
