""We present a new method to evaluate with high precision the isospin breaking effects due to the. mass difference between the up and down quarks using lattice QCD. Our proposal is applicable. in principle to any hadronic observable which can be computed on the lattice. It is based on the. expansion of the path-integral in powers of the small parameter md − mu . In this talk we discuss. how to apply this method to compute the leading isospin breaking effects for several physical. quantities of interest: the kaon masses, the kaon decay constants and the neutron-proton mass. splitting.. ""
Sanfilippo, F., de Divitiis G., M., Dimopoulos, P., Frezzotti, R., Lubicz, V., Martinelli, G., et al. (2011). Lattice QCD calculation of isospin breaking effects due to the up-down mass difference. In Proceedings of the 29th International Symposium on Lattice Field Theory, Lattice 2011 (pp.290).
Lattice QCD calculation of isospin breaking effects due to the up-down mass difference
LUBICZ, Vittorio;TARANTINO, CECILIA
2011-01-01
Abstract
""We present a new method to evaluate with high precision the isospin breaking effects due to the. mass difference between the up and down quarks using lattice QCD. Our proposal is applicable. in principle to any hadronic observable which can be computed on the lattice. It is based on the. expansion of the path-integral in powers of the small parameter md − mu . In this talk we discuss. how to apply this method to compute the leading isospin breaking effects for several physical. quantities of interest: the kaon masses, the kaon decay constants and the neutron-proton mass. splitting.. ""I documenti in IRIS sono protetti da copyright e tutti i diritti sono riservati, salvo diversa indicazione.
