Speaker
Mattia Bruno
(Universita' di Milano-Bicocca)
Description
Hadronic spectral densities play a pivotal role in particle physics, a primer example being the R-ratio defined from electron-positron scattering into hadrons. To predict them from first principles using Lattice QCD, we face a numerically ill-posed inverse problem, due to the Euclidean signature adopted in practical simulations. Here we review the status of recent numerical approaches to the inverse Laplace transform and present a new analysis of the typical systematic errors associated to a Lattice prediction (e.g. finite-volume effects).
Primary authors
Dr
Matteo Saccardi
(Istituto Nazionale di Fisica Nucleare)
Mattia Bruno
(Universita' di Milano-Bicocca)
