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Please use this identifier to cite or link to this item: http://hdl.handle.net/2307/257

Title: Electromagnetic Form Factor of the Pion from Twisted-mass Lattice QCD at Nf=2
Authors: Frezzotti, Roberto
Lubicz, Vittorio
Simula, Silvano
Keywords: Lattice QCD
Electromagnetic form factors
Chiral Lagrangian
Issue Date: Apr-2009
Publisher: The American Physical Society
Abstract: We present a lattice calculation of the electromagnetic form factor of the pion obtained using the tree-level Symanzik improved gauge action with two flavors of dynamical twisted Wilson quarks. The simulated pion masses range approximately from 260 to 580 MeV, and the lattice box sizes are chosen in order to guarantee that Mpi*L>~4. Accurate results for the form factor are obtained using all-to-all quark propagators evaluated by a stochastic procedure. The momentum dependence of the pion form fa
URI: http://hdl.handle.net/2307/257
DOI: 10.1103/PhysRevD.79.074506
URL: http://link.aps.org/doi/10.1103/PhysRevD.79.074506
Appears in Collections:A - Articolo su rivista
X_Dipartimento di Fisica 'Edoardo Amaldi'

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