Complex mass renormalization in EFT

Details Complex mass renormalization in EFT Complex mass renormalization in EFT

2010-01-12

arxiv.org/abs/1001.1772v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

8 pages, 2 figures; Proceedings of 6th International Workshop on Chiral Dynamics, 6-10 July 2009, Bern, Switzerland

Scientific paper

We consider an effective field theory of unstable particles (resonances)
using the complex-mass renormalization. As an application we calculate the
masses and the widths of the $\rho$ meson and the Roper resonance.

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