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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…
Non-perturbative renormalisation of four-fermion operators in N_f=2 QCD
P. Dimopoulos, G. Herdoiza, F. Palombi +4
We present results for the non-perturbative renormalisation of four-fermion operators with two flavours of dynamical quarks. We consider both fully relativistic left current-left c…
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…