# The 34th International Symposium on Lattice Field Theory (Lattice 2016)

Jul 24 – 30, 2016
Highfield Campus, University of Southampton
Europe/London timezone

## Retrieving the optical potential from a Lattice simulation.

Jul 26, 2016, 2:20 PM
20m
Building 67 Room 1003 (Highfield Campus, University of Southampton)

### Building 67 Room 1003

#### Highfield Campus, University of Southampton

Talk Theoretical Developments

### Speaker

Dr Maxim Mai (George Washington University)

### Description

We propose a method for the direct extraction of the complex hadron-hadron optical potential (or, equivalently, the phase shift and inelasticity in a given channel) on the lattice, which does not require the use of the multi-channel Lüscher formalism, but the knowledge of a tower of energy levels only. The approach works for any multi-particle states and tested explicitly on a set of synthetic data for the $\pi\eta-K\bar K$ system. Further, we show how a sufficiently large number of energy eigenvalues can be obtained utilizing partial twisting.

### Primary authors

Prof. Akaki Rusetsky (HISKP Bonn) Mr Dimitri Agadjanov (HISKP Bonn) Dr Maxim Mai (George Washington University) Prof. Michael Döring (George Washington University) Prof. Ulf-G. Meissner (HISKP Bonn)

 Slides