https://doi.org/10.1051/epjconf/201817505005
Scattering from finite-volume energies including higher partial waves and multiple decay channels
1
Department of Physics, Carnegie Mellon University, Pittsburgh, PA 15213, USA
2
Dept. of Mathematics and Computer Science and CP3-Origins, University of Southern Denmark, Campusvej 55, 5230 Odense M, Denmark
3
Dept. of Physics and Astronomy, University of Pittsburgh, Pittsburgh, PA 15260, USA
4
PRISMA Cluster of Excellence and Institute for Nuclear Physics, University of Mainz, Johann Joachim Becher-Weg 45, 55099 Mainz, Germany
* Speaker, e-mail: bulava@imada.sdu.dk
Published online: 26 March 2018
A new implementation of estimating the two-to-two K-matrix from finitevolume energies based on the Luescher formalism is described. The method includes higher partial waves and multiple decay channels, and the fitting procedure properly includes all covariances and statistical uncertainties. The method is also simpler than previously used procedures. Formulas and software for handling total spins up to S = 2 and orbital angular momenta up to L = 6 are presented.
© The Authors, published by EDP Sciences, 2018
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (http://creativecommons.org/licenses/by/4.0/).
