Resonance Scattering on the Lattice with Non-Zero Total Momentum

Details Resonance Scattering on the Lattice with Non-Zero Total Momentum Resonance Scattering on the Lattice with Non-Zero Total Momentum

1995-09-26

arxiv.org/abs/hep-lat/9509088v1

Nucl.Phys.Proc.Suppl. 47 (1996) 819-822

Physics

High Energy Physics

High Energy Physics - Lattice

4 pages uuencoded postscript, contribution to LATTICE 95

Scientific paper

10.1016/0920-5632(96)00182-X

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.

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