Speaker
Stephen Sharpe
(University of Washington)
Description
We present results for the energy levels for two pions and a kaon, and two kaons and a pion, all at maximal isospin, on CLS ensembles D200 and N203, with pion/kaon masses of
200/480 MeV and 340/440 MeV, respectively. We use multiple frames, and have determined many energy levels on each ensemble. We fit these levels, together with those for $2\pi^+$, $2K^+$ and $\pi^+ K^+$, to the predictions of the 2+1 three-particle quantization condition, and thus determine two- and three-particle K matrices. We compare our results to the expectations of chiral perturbation theory. Issues that arise in the implementation of the 2+1 quantization condition are discussed.
Primary authors
Andrew Hanlon
(Helmholtz-Institut Mainz, JGU)
Dr
Ben Horz
Prof.
Colin Morningstar
(Carnegie Mellon)
Fernando Romero-Lopez
(MIT)
Stephen Sharpe
(University of Washington)
Mr
Zack Draper
(University of Washington)
