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Complex mass renormalization in EFT
classification
✦ hep-ph
keywords
renormalizationapplicationcalculatecomplexcomplex-massconsidereffectivefield
read the original abstract
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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