出版社：SISSA, Scuola Internazionale Superiore di Studi Avanzati
摘要：Using established relations between the scattering matrix in innite volume and the two-particle
spectrum in a periodic box, we compute the mass and width of the r meson from simulations of
Nf = 2 avors of dynamical clover fermions at small pion masses 2mp < mr .
