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Nucleon form factors with Nf=2 dynamical twisted mass fermions

C. Alexandrou T. Korzec G. Koutsou R. Baron 1 P. Guichon 1 M. Brinet 2 J. Carbonell 2 P.A. Harraud 2 K. Jansen
1 IRFU - Institut de Recherches sur les lois Fondamentales de l'Univers
2 LPSC - Laboratoire de Physique Subatomique et de Cosmologie
Abstract : 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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http://hal.in2p3.fr/in2p3-00425493
Contributor : Emmanuelle Vernay <>
Submitted on : Friday, October 23, 2009 - 2:43:39 PM
Last modification on : Sunday, November 22, 2020 - 6:22:02 PM

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  • HAL Id : in2p3-00425493, version 1
  • ARXIV : 0910.3309

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C. Alexandrou, T. Korzec, G. Koutsou, R. Baron, P. Guichon, et al.. Nucleon form factors with Nf=2 dynamical twisted mass fermions. The XXVII International Symposium on Lattice Field Theory (LATTICE 2009), Jul 2009, Beijing, China. pp.145. ⟨in2p3-00425493⟩

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