Non-perturbative renormalisation of four fermion operators and B0-B0bar mixing with Wilson fermions
- Becirevic D
- Gimenez V
- Martinelli G
- Papinutto M
- Reyes J.
- LUBICZ, Vittorio
DOIAbstract
We present new results for the renormalisation and subtraction constants for the four fermion DeltaF = 2 operators, computed non-perturbatively in the RI-MOM scheme (in the Landau gauge). From our preliminary analysis of the lattice data at beta = 6.45, for the B-0 - B-0,mixing bag-parameter we obtain B-B(RGI) = 1.46(7)(1)
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