Complex mass renormalization in EFT
D. Djukanovic, J. Gegelia, A. Keller, S. Scherer
TL;DR
This paper applies complex-mass renormalization within an effective field theory framework to compute the masses and widths of unstable particles like the $ ho$ meson and Roper resonance.
Contribution
It introduces a method for complex mass renormalization in EFT to accurately describe unstable particles and calculates specific resonance properties.
Findings
Calculated masses and widths of $ ho$ meson and Roper resonance.
Demonstrated the effectiveness of complex-mass renormalization in EFT.
Provided a consistent approach for unstable particle analysis.
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 meson and the Roper resonance.
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Taxonomy
TopicsParticle physics theoretical and experimental studies · Quantum Chromodynamics and Particle Interactions · Black Holes and Theoretical Physics