N to Delta transition form factors with Nf=2+1 domain wall fermions

C. Alexandrou; G. Koutsou; J. W. Negele; A. O'Cais; Y. Proestos; A. Tsapalis

N to Delta transition form factors with Nf=2+1 domain wall fermions

High Energy Physics - Lattice 2010-11-05 v1

Authors: C. Alexandrou , G. Koutsou , J. W. Negele , A. O'Cais , Y. Proestos , A. Tsapalis

Abstract

The electromagnetic, axial and pseudoscalar nucleon to Delta form factors are calculated using dynamical domain wall fermions at a lattice spacing of a = 0.114 fm on a lattice of spatial size 2.74 fm and pion mass of 331 MeV. Pion pole dominance and the Goldberger-Treiman relations are examined.

Keywords

nucleon to Delta transition form factors domain wall fermions lattice QCD pion pole dominance Goldberger-Treiman relations

Cite

@article{arxiv.0910.5617,
  title  = {N to Delta transition form factors with Nf=2+1 domain wall fermions},
  author = {C. Alexandrou and G. Koutsou and J. W. Negele and A. O'Cais and Y. Proestos and A. Tsapalis},
  journal= {arXiv preprint arXiv:0910.5617},
  year   = {2010}
}

Comments

8 pages, 8 figures, Presented at the XXVII International Symposium on Lattice Field Theory, LATTICE 2009, July 26-31, 2009, Peking University, Beijing, China

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