出版社:SISSA, Scuola Internazionale Superiore di Studi Avanzati
摘要:We present a calculation of the kaon form factors in two-flavor QCD with the non-perturbatively
O(a)-improved Wilson quark action. In order to achieve a few percent accuracy in the study of
SU(3) breaking effects, we use a set of double ratios of the matrix elements, with which the bulk
of the statistical fluctuation and the multiplicative renormalization factors cancel.