Vector meson masses in 2+1 flavor Wilson chiral perturbation theory

Journal Article · Mon May 01 00:00:00 EDT 2006 · Physical Review. D, Particles Fields

DOI:https://doi.org/10.1103/PHYSREVD.73.094501· OSTI ID:20783003

Aoki, S; Baer, O; Takeda, S ^[1]

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1. Graduate School of Pure and Applied Sciences, University of Tsukuba, Tsukuba, Ibaraki 305-8571 (Japan) and Riken BNL Research Center, Brookhaven National Laboratory, Upton, New York 11973 (United States)

We calculate the vector meson masses in N{sub f}=2+1 Wilson chiral perturbation theory at next-to-leading order. Generalizing the framework of heavy vector meson chiral perturbation theory, the quark mass and the lattice cutoff dependence of the vector meson masses is derived. Our chiral order counting assumes that the lattice cutoff artifacts are of the order of the typical pion momenta, p{approx}a{lambda}{sub QCD}{sup 2}. This counting scheme is consistent with the one in the pseudoscalar meson sector where the O(a{sup 2}) terms are included in the leading order chiral Lagrangian.

• OSTI ID: 20783003
• Journal Information: Physical Review. D, Particles Fields, Journal Name: Physical Review. D, Particles Fields Journal Issue: 9 Vol. 73; ISSN PRVDAQ; ISSN 0556-2821
• Country of Publication: United States
• Language: English

Related Subjects

72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
CHIRAL SYMMETRY
CHIRALITY
FLAVOR MODEL
LAGRANGIAN FUNCTION
LATTICE FIELD THEORY
PERTURBATION THEORY
PIONS
QUANTUM CHROMODYNAMICS
QUARKS
REST MASS
VECTOR MESONS