Effective Lagrangian with vector mesons : Linear response theory

Details Effective Lagrangian with vector mesons : Linear response theory Effective Lagrangian with vector mesons : Linear response theory

1993-10-13

arxiv.org/abs/hep-ph/9310278v1

Phys. Lett. B322 (1994) 103-108

Physics

High Energy Physics

High Energy Physics - Phenomenology

8 pages of plain Latex and 2 figures (available from the author), preprint LPN 93-12 and IPNO/TH 93-47

Scientific paper

10.1016/0370-2693(94)90497-9

The soliton breathing mode is investigated in the framework of linear response theory within a Skyrme model vector meson stabilized. The effective Lagrangian considered includes the $\rho$ (introduced following the standard prescription of nonlinear chiral symmetry) and the $\omega$ mesons. The monopole response function is found to have a pronounced peak which is identified to the $P11$ (Roper) resonance. The results are compared to those obtained within the local approximation.

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