[Jlab-seminars] Theory Center Seminar

[Mary Fox]

Theory Center Seminar
Monday, Nov. 11, 2013
1:00 p.m. (coffee at 12:45 p.m.)
CEBAF Center, Room L104

Maxwell Hansen
University of Washington


*Three Particles in a Box: Mapping the Finite-Volume Spectrum to the 
S-Matrix *

Lattice QCD is the only known systematic method for calculating 
non-perturbative matrix elements in QCD, the theory of the strong 
interactions. However, there is currently no known method for extracting 
scattering and decay amplitudes involving more than two hadrons. The 
most promising approach, already developed by Martin Luescher for the 
two-particle case, is to extract amplitudes from the finite-volume 
spectrum. We present work towards generalizing Luescher's relation 
between finite-volume spectrum and \(S\)-matrix to include 
three-particle states.
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