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Non-perturbative renormalisation of Delta F=2 four-fermion operators in two-flavour QCD
P. Dimopoulos, G. Herdoiza, F. Palombi +4
Using Schroedinger Functional methods, we compute the non-perturbative renormalisation and renormalisation group running of several four-fermion operators, in the framework of latt…
Scaling and low energy constants in lattice QCD with N_f=2 maximally twisted Wilson quarks
ETM Collaboration, P. Dimopoulos, R. Frezzotti +3
We report on the scaling of basic hadronic observables in lattice QCD with N_f=2 maximally twisted Wilson dynamical quarks. We give preliminary results for some of the Gasser-Leutw…
Renormalisation of quark bilinears with Nf=2 Wilson fermions and tree-level improved gauge action
P. Dimopoulos, R. Frezzotti, G. Herdoiza +4
We present results for the renormalisation constants of bilinear quark operators, using the Nf=2 twisted mass Wilson action at maximal twist (which guarantees automatic O(a) improv…
Flavour symmetry restoration and kaon weak matrix elements in quenched twisted mass QCD
P. Dimopoulos, J. Heitger, F. Palombi +3
We simulate two variants of quenched twisted mass QCD (tmQCD), with degenerate Wilson quarks of masses equal to or heavier than half the strange quark mass. We use Ward identities…
Dynamical Twisted Mass Fermions with Light Quarks
Ph. Boucaud, P. Dimopoulos, F. Farchioni +19
We present results of dynamical simulations with 2 flavours of degenerate Wilson twisted mass quarks at maximal twist in the range of pseudo scalar masses from 300 to 550 MeV. The…