Two-body non-leptonic decays on the lattice

Details Two-body non-leptonic decays on the lattice Two-body non-leptonic decays on the lattice

1996-04-04

arxiv.org/abs/hep-ph/9604240v1

Phys.Lett. B380 (1996) 353-362

Physics

High Energy Physics

High Energy Physics - Phenomenology

15 pages, 1 Postscript figure

Scientific paper

10.1016/0370-2693(96)00529-1

We show that, under reasonable hypotheses, it is possible to study two-body non-leptonic weak decays in numerical simulations of lattice QCD. By assuming that final-state interactions are dominated by the nearby resonances and that the couplings of the resonances to the final particles are smooth functions of the external momenta, it is possible indeed to overcome the difficulties imposed by the Maiani-Testa no-go theorem and to extract the weak decay amplitudes, including their phases. Under the same assumptions, results can be obtained also for time-like form factors and quasi-elastic processes.

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