<html><head><meta http-equiv="Content-Type" content="text/html charset=us-ascii"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;"><span style="font-size: 13px;">Theory Center Seminar</span><br style="font-size: 13px;"><div><span style="font-size: 13px;">Monday, Dec. 5, 2016</span><br style="font-size: 13px;"><span style="font-size: 13px;">1:00 p.m.</span><br style="font-size: 13px;"><span style="font-size: 13px;">CEBAF Center, Room L102</span></div><div><br style="font-size: 13px;"><b style="font-size: 13px;"><font style="font-size: 15px;">Maxim Mai (GWU)</font></b><br style="font-size: 13px;"><b><span style="font-size: 15px;">Title: "Retrieving the optical potential from a Lattice simulation"</span></b><br style="font-size: 13px;"><font color="#0f61c8" size="2" style="font-size: 14px;"><br></font><span style="font-size: 14px;">Abstract: We propose a method for the direct extraction of the complex hadron-hadron optical potential </span></div><div><span style="font-size: 14px;">(or, equivalently, the phase shift and inelaticity in a given channel) on the lattice, which does not require </span></div><div><span style="font-size: 14px;">the use of the multi-channel Luscher formalism, but the knowledge of a tower of energy levels only.</span><div><span style="font-size: 14px;">The approach works for any multi-particle states and tested explicitely on a set of synthetic data for the </span></div><div><span style="font-size: 14px;">pi eta/Kbar K system. Further, we show how a sufficiently large number of energy eigenvalues can be </span></div><div><span style="font-size: 14px;">obtained utilizing partial twisting. </span></div><span style="font-size: 14px;"><br class="Apple-interchange-newline"><br><meta http-equiv="Content-Type" content="text/html charset=us-ascii"></span><div style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;"><div class=""><p dir="ltr" class="" style="font-size: 12.8px;"><br></p></div></div></div><br></body></html>