Now showing items 1-7 of 7

  • Baryon masses with dynamical twisted mass fermions 

    Collaboration, ETM; Alexandrou, C; Korzec, T; Koutsou, G; Baron, R; Guichon, P; Brinet, M; Carbonell, J; Drach, V; Liu, Z; Pène, O; Urbach, C
    We present results on the mass of the nucleon and the $\Delta$ using two dynamical degenerate twisted mass quarks. The evaluation is performed at four quark masses corresponding to a pion mass in the range of 690-300 MeV ...
  • First results of ETMC simulations with Nf=2+1+1 maximally twisted mass fermions 

    Baron, R; Blossier, B; Boucaud, P; Deuzeman, A; Drach, V; Farchioni, F; Gimenez, V; Herdoiza, G; Jansen, K; Michael, C; Montvay, I; Palao, D; Pallante, E; Pène, O; Reker, S; Urbach, C; Wagner, M; Wenger, U
    We present first results from runs performed with Nf=2+1+1 flavours of dynamical twisted mass fermions at maximal twist: a degenerate light doublet and a mass split heavy doublet. An overview of the input parameters and ...
  • Light baryon masses with dynamical twisted mass fermions 

    Alexandrou, C; Baron, R; Blossier, B; Brinet, M; Carbonell, J; Dimopoulos, P; Drach, V; Farchioni, F; Frezzotti, R; Guichon, P; Herdoiza, G; Jansen, K; Korzec, T; Koutsou, G; Liu, Z; Michael, C; Pène, O; Shindler, A; Urbach, C; Wenger, U
    We present results on the mass of the nucleon and the Delta using two dynamical degenerate twisted mass quarks and the tree-level Symanzik improved gauge action. The evaluation is performed at four quark masses corresponding ...
  • Light hadrons from Nf=2+1+1 dynamical twisted mass fermions 

    Baron, R; Blossier, B; Boucaud, P; Carbonell, J; Deuzeman, A; Drach, V; Farchioni, F; Gimenez, V; Herdoiza, G; Jansen, K; Michael, C; Montvay, I; Pallante, E; Pène, O; Reker, S; Urbach, C; Wagner, M; Wenger, U
    We present results of lattice QCD simulations with mass-degenerate up and down and mass-split strange and charm (Nf=2+1+1) dynamical quarks using Wilson twisted mass fermions at maximal twist. The tuning of the strange ...
  • The low-lying baryon spectrum with two dynamical twisted mass fermions 

    Alexandrou, C; Baron, R; Carbonell, J; Drach, V; Guichon, P; Jansen, K; Korzec, T; Pène, O
    The masses of the low lying baryons are evaluated using two degenerate flavors of twisted mass sea quarks corresponding to pseudo scalar masses in the range of about 270-500 MeV. The strange valence quark mass is tuned ...
  • Partially quenched study of strange baryon with Nf = 2 twisted mass fermions 

    Drach, V; Brinet, M; Carbonell, J; Liu, Z; Alexandrou, C; Korzec, T; Koutsou, G; Baron, R; Guichon, P; Pène, O; Pallante, E; Reker, S; Urbach, C; Jansen, K
    We present results on the mass of the baryon octet and decuplet using two flavors of light dynamical twisted mass fermions. The strange quark mass is fixed to its physical value from the kaon sector in a partially quenched ...
  • Status of ETMC simulations with Nf=2+1+1 twisted mass fermions 

    Baron, R; Boucaud, P; Deuzeman, A; Drach, V; Farchioni, F; Gimenez, V; Herdoiza, G; Jansen, K; Montvay, I; Palao, D; Pallante, E; Pène, O; Reker, S; Scholz, EE; Urbach, C; Wagner, M; Wenger, U
    We present the status of runs performed in the twisted mass formalism with $N_{\rm f}=2+1+1$ flavours of dynamical fermions: a degenerate light doublet and a mass split heavy doublet. The procedure for tuning to maximal ...

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