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Non-perturbative renormalisation of the lattice $\Delta$S = 2 four-fermion operator
We compute the renormalised four-fermion operator O^{\Delta S=2} using a non-perturbative method recently introduced for determining the renormalisation constants of generic lattice composite operators. Because of the presence of the Wilson term, O^{\Delta S=2} mixes with operators of different chir...
| Autores principales: | , , , , |
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| Lenguaje: | eng |
| Publicado: |
1995
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| Materias: | |
| Acceso en línea: | https://dx.doi.org/10.1016/0370-2693(95)01124-9 http://cds.cern.ch/record/286938 |