Nucleon electromagnetic and axial form factors with N$_f$=2 twisted mass fermions at the physical point

6533b857fe1ef96bd12b470b

RESEARCH PRODUCT

Nucleon electromagnetic and axial form factors with N$_f$=2 twisted mass fermions at the physical point

Constantia Alexandrou Martha Constantinou Kyriakos Hadjiyiannakou Karl Jansen Christos Kallidonis Giannis Koutsou Konstantin Ottnad Alejandro Vaquero

subject

High Energy Physics - Lattice Nuclear Theory High Energy Physics - Lattice (hep-lat)FOS: Physical sciences Nuclear Experiment

description

We present results for the nucleon electromagnetic and axial form factors using an N$_f$=2 twisted mass fermion ensemble with pion mass of about 131 MeV. We use multiple sink-source separations to identify excited state contamination. Dipole masses for the momentum dependence of the form factors are extracted and compared to experiment, as is the nucleon magnetic moment and charge and magnetic radii.

year	journal	country	edition	language
2017-02-03

https://dx.doi.org/10.48550/arxiv.1702.00984

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