Infrared regularization for spin-1 fields

Autor: Peter C. Bruns, Ulf-G. Meißner
Rok vydání: 2004
Předmět:
propagator [Goldstone particle]
Particle physics
Rho meson
Physics and Astronomy (miscellaneous)
Nuclear Theory
Infrared
High Energy Physics::Lattice
Extrapolation
chiral [perturbation theory]
FOS: Physical sciences
Nuclear Theory (nucl-th)
regularization [infrared problem]
High Energy Physics - Lattice
High Energy Physics - Phenomenology (hep-ph)
quantum chromodynamics
mass [rho(770)]
ddc:530
higher-order [Feynman graph]
1 [spin]
numerical calculations
Nuclear Experiment
Engineering (miscellaneous)
sigma term [pi rho(770)]
Physics
effective Lagrangian
High Energy Physics::Phenomenology
High Energy Physics - Lattice (hep-lat)
lattice field theory
Sigma
Lattice QCD
singularity
renormalization [propagator]
High Energy Physics - Phenomenology
pole [propagator]
Regularization (physics)
High Energy Physics::Experiment
propagator [vector meson]
Zdroj: The European physical journal / C 40, 97-119 (2005). doi:10.1140/epjc/s2005-02118-0
DOI: 10.48550/arxiv.hep-ph/0411223
Popis: We extend the method of infrared regularization to spin-1 fields. As applications, we discuss the chiral extrapolation of the rho meson mass from lattice QCD data and the pion-rho sigma term.
Comment: 22 pp, 5 figs
Databáze: OpenAIRE
Externí odkaz: