Nucleon form factors with Nf=2 dynamical twisted mass fermions

Details Nucleon form factors with Nf=2 dynamical twisted mass fermions Nucleon form factors with Nf=2 dynamical twisted mass fermions

2009-10-19

arxiv.org/abs/0910.3309v2

PoS LAT2009:145,2009

Physics

High Energy Physics

High Energy Physics - Lattice

Report no. added; typos corrected. ETM Collaboration, 7 pages, 10 figures, Talk given at the XXVII International Symposium on

Scientific paper

We present results on the electromagnetic and axial nucleon form factors using two degenerate flavors of twisted mass fermions on lattices of spatial size 2.1 fm and 2.7 fm and a lattice spacing of about 0.09 fm. We consider pion masses in the range of 260-470 MeV. We chirally extrapolate results on the nucleon axial ch arge, the isovector Dirac and Pauli root mean squared radii and magnetic moment to the physical point and co mpare to experiment.

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