Isoscalar ππ Scattering and the σ Meson Resonance from QCD
Accepted version
Peer-reviewed
Repository URI
Repository DOI
Change log
Authors
Abstract
We present for the first time a determination of the energy dependence of the isoscalar ππ elastic scattering phase shift within a first-principles numerical lattice approach to QCD. Hadronic correlation functions are computed including all required quark propagation diagrams, and from these the discrete spectrum of states in the finite volume defined by the lattice boundary is extracted. From the volume dependence of the spectrum, we obtain the
Description
Keywords
Journal Title
Conference Name
Journal ISSN
1079-7114