Gravitational form factors of the delta resonance in chiral EFT

2022/09/02 by H. Alharazin, Alharazin, H., E. Epelbaum +7 · 5 citations
Engineering · Physics and Astronomy · #FOS: Physical sciences #High Energy Physics - Experiment (hep-ex) #High Energy Physics - Lattice (hep-lat) #High Energy Physics - Phenomenology (hep-ph) #Particle Accelerators and Free-Electron Lasers #Pulsars and Gravitational Waves Research #Superconducting Materials and Applications

paper · pdf · doi:10.48550/arxiv.2209.01233

openalex publication_date 2022/09/02 · openalex created_date 2025/10/10 · openalex updated_date 2026/07/28

Abstract

The leading one-loop corrections to the gravitational form factors of the delta resonance are calculated in the framework of chiral effective field theory. Various contributions to the energy-momentum tensor and the renormalization of the low-energy constants are worked out. Using the small scale expansion, expressions for static quantities are obtained and the real and imaginary parts of the gravitational form factors are calculated numerically.

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