Light hadrons from lattice QCD with light (u, d), strange and charm dynamical quarks
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Light hadrons from lattice QCD with light (u, d), strange and charm dynamical quarks

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Light hadrons from lattice QCD with light (u, d), strange and charm dynamical quarks

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dc.contributor.author Baron, Remi
dc.contributor.author Boucaud, Ph.
dc.contributor.author Carbonell, Jaume
dc.contributor.author Deuzeman, A.
dc.contributor.author Drach, Vincent
dc.contributor.author Farchioni, F.
dc.contributor.author Giménez Gómez, Vicente
dc.contributor.author Herdoiza, G.
dc.contributor.author Jansen, K.
dc.contributor.author McNeile, C.
dc.contributor.author Michael, C.
dc.contributor.author Montvay, I.
dc.contributor.author Palao Palomares, David
dc.contributor.author Pallante, Elisabetta
dc.contributor.author Pène, Olivier
dc.contributor.author Urbach, C.
dc.contributor.author Wagner, Marc
dc.contributor.author Wenger, U.
dc.date.accessioned 2014-09-24T12:16:43Z
dc.date.available 2014-09-24T12:16:43Z
dc.date.issued 2010
dc.identifier.uri http://hdl.handle.net/10550/38960
dc.description.abstract We present results of lattice QCD simulations with mass-degenerate up and down and mass-split strange and charm (N_f = 2+1+1) dynamical quarks using Wilson twisted mass fermions at maximal twist. The tuning of the strange and charm quark masses is performed at two values of the lattice spacing a~0.078 fm and a~0.086 fm with lattice sizes ranging from L~1.9 fm to L~2.8 fm. We measure with high statistical precision the light pseudoscalar mass m_PS and decay constant f_PS in a range 270 < m_PS < 510 MeV and determine the low energy parameters f_0, l_3 and l_4 of SU(2) chiral perturbation theory. We use the two values of the lattice spacing, several lattice sizes as well as different values of the light, strange and charm quark masses to explore the systematic effects. A first study of discretisation effects in light-quark observables and a comparison to N_f=2 results are performed.
dc.language.iso eng
dc.relation.ispartof Journal of High Energy Physics, 2010, vol. 2010, num. 6, p. 111-1-111-31
dc.rights.uri info:eu-repo/semantics/openAccess
dc.source Baron, Remi Boucaud, Ph. Carbonell, Jaume Deuzeman, A. Drach, Vincent Farchioni, F. Giménez Gómez, Vicente Herdoiza, G. Jansen, K. McNeile, C. Michael, C. Montvay, I. Palao Palomares, David Pallante, Elisabetta Pène, Olivier Urbach, C. Wagner, Marc Wenger, U. 2010 Light hadrons from lattice QCD with light (u, d), strange and charm dynamical quarks Journal of High Energy Physics 2010 6 111-1 111-31
dc.subject Física
dc.title Light hadrons from lattice QCD with light (u, d), strange and charm dynamical quarks
dc.type info:eu-repo/semantics/article
dc.date.updated 2014-09-24T12:16:43Z
dc.identifier.doi http://dx.doi.org/10.1007/JHEP06(2010)111
dc.identifier.idgrec 064199

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