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Please use this identifier to cite or link to this item: http://hdl.handle.net/2307/398

Title: Pseudoscalar decay constants of kaon and D-mesons from Nf=2 twisted mass Lattice QCD
Authors: ETM, Collaboration
Blossier, Benoit
Dimopoulos, Petros
Frezzotti, Roberto
Haas, Benjamin
Herdoiza, Gregorio
Jansen, Karl
Lubicz, Vittorio
Mescia, Federico
Palao, David
Shindler, Andrea
Simula, Silvano
Tarantino, Cecilia
Urbach, Carsten
Keywords: Lattice QCD
Heavy Quark Physics
Kaon Physics
Issue Date: Jul-2009
Abstract: We present the results of a lattice QCD calculation of the pseudoscalar meson decay constants fπ, fK, fD and fDs, performed with Nf=2 dynamical fermions. The simulation is carried out with the tree-level improved Symanzik gauge action and with the twisted mass fermionic action at maximal twist. We have considered for the final analysis three values of the lattice spacing, a = 0.10 fm, 0.09 fm and 0.07 fm, with pion masses down to mπ = 270 MeV. Our results for the light meson decay constants are
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URI: http://hdl.handle.net/2307/398
DOI: 10.1088/1126-6708/2009/07/043
Appears in Collections:A - Articolo su rivista
Dipartimento di Fisica 'Edoardo Amaldi'

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