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

Khalil M. Bitar; Pavlos M. Vranas

doi:10.1016/0370-2693(92)90446-b

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

Khalil M. Bitar·Pavlos M. Vranas

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Abstract

A Monte Carlo simulation of the O(4) $λϕ^4$ 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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Khalil M. Bitar, Pavlos M. Vranas. 1992-04-08. Is there a $ρ$ in the O(4) $λϕ^4_4$ theory?. https://doi.org/10.1016/0370-2693(92)90446-b

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