Resonance Scattering on the Lattice with Non-Zero Total Momentum
High Energy Physics - Lattice
2009-10-28 v1
Abstract
Most hadronic particles are resonances: for example, the rho meson appears as a resonance in the elastic scattering of two pions. A method by Luescher enables one to measure the properties of the resonance particles from finite lattices. We present here a more general method which includes scattering processes where the total momentum of the particles is non-zero. The main advantage is that the resonance scattering can be observed in a considerably smaller spatial volume. We test the method with a simple 3+1 dimensional spin model, and find excellent agreement between the zero momentum and the non-zero momentum scattering sectors.
Cite
@article{arxiv.hep-lat/9509088,
title = {Resonance Scattering on the Lattice with Non-Zero Total Momentum},
author = {Steven Gottlieb and K. Rummukainen},
journal= {arXiv preprint arXiv:hep-lat/9509088},
year = {2009}
}
Comments
4 pages uuencoded postscript, contribution to LATTICE 95