Speaker
Marian Kolesar
(Charles University (CZ))
Description
Using the most recent experimental data and lattice calculations of scattering lengths of pipi scattering and employing dispersive representation of the amplitude based on Roy equations, we compute the subthreshold parameters of this process. We use Monte Carlo sampling to numerically model the probability distribution of the results based on all uncertainties in the inputs. In the second part of the analysis, we use the new results for the subthreshold parameters to obtain constraints on the three-flavour chiral condensate in the context of chiral perturbation theory.
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Authors
Jaroslav Riha
Marian Kolesar
(Charles University (CZ))
