Lin, C.-J. David; Martinelli, Guido; Pallante, Elisabetta; Sachrajda, Chris T.; Villadoro, G.
(Elsevier, 2004)
We present a study of the finite-volume two-pion matrix elements and correlation functions of the I=0 scalar operator, in full and partially quenched QCD, at one-loop order in chiral perturbation theory. In partially ...
