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2003•Physical review. D. Particles, fields, gravitation, and cosmology/Physical review. D. Particles and fieldsOpen access

Pseudoscalar decay constants in staggered chiral perturbation theory

Christopher Aubin, C. Bérnard

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Abstract

In a continuation of an ongoing program, we use staggered chiral perturbation theory to calculate the one-loop chiral logarithms and analytic terms in the pseudoscalar meson leptonic decay constants ${f}_{{\ensuremath{\pi}}_{5}^{+}}$ and ${f}_{{K}_{5}^{+}}.$ We consider the partially quenched, ``full QCD'' (with three dynamical flavors), and quenched cases.

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In a continuation of an ongoing program, we use staggered chiral perturbation theory to calculate the one-loop chiral logarithms and analytic terms in the pseudoscalar meson leptonic decay constants ${f}_{{\ensuremath{\pi}}_{5}^{+}}$ and ${f}_{{K}_{5}^{+}}.$ We consider the partially quenched, ``full QCD'' (with three dynamical flavors), and quenched cases.

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Available abstract

In a continuation of an ongoing program, we use staggered chiral perturbation theory to calculate the one-loop chiral logarithms and analytic terms in the pseudoscalar meson leptonic decay constants ${f}_{{\ensuremath{\pi}}_{5}^{+}}$ and ${f}_{{K}_{5}^{+}}.$ We consider the partially quenched, ``full QCD'' (with three dynamical flavors), and quenched cases.

Key concepts: Chiral perturbation theory, Physics, Pseudoscalar, Pseudoscalar meson, Logarithm, Exponential decay, Quantum chromodynamics, Particle physics

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