Is there a $ρ$ in the O(4) $λφ^4_4$ theory?

Details Is there a $ρ$ in the O(4) $λφ^4_4$ theory? Is there a $ρ$ in the O(4) $λφ^4_4$ theory?

1992-04-08

arxiv.org/abs/hep-lat/9203001v1

Phys.Lett. B284 (1992) 366-370

Physics

High Energy Physics

High Energy Physics - Lattice

Scientific paper

10.1016/0370-2693(92)90446-B

A Monte Carlo simulation of the O(4) $\lambda \phi^4$ theory in the broken phase is performed on a hypercubic lattice in search of an I=1, J=1 resonance. The region of the cutoff theory where the interaction is strong is investigated since it is there that a resonance would be expected to have a better chance to form. In that region the presence of an I=1, J=1 resonance with mass below the cutoff is excluded.

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