Three site Higgsless model at one loop

Journal Article · Sun Apr 01 00:00:00 EDT 2007 · Physical Review. D, Particles Fields

DOI:https://doi.org/10.1103/PHYSREVD.75.075012· OSTI ID:21020306

Chivukula, R Sekhar; Simmons, Elizabeth H; Matsuzaki, Shinya; Tanabashi, Masaharu ^[1]

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1. Department of Physics Astronomy, Michigan State University, East Lansing, Michigan 48824 (United States)

In this paper we compute the one loop chiral-logarithmic corrections to all O(p{sup 4}) counterterms in the three site Higgsless model. The calculation is performed using the background field method for both the chiral and gauge fields, and using Landau gauge for the quantum fluctuations of the gauge fields. The results agree with our previous calculations of the chiral-logarithmic corrections to the S and T parameters in 't Hooft-Feynman gauge. The work reported here includes a complete evaluation of all one loop divergences in an SU(2)xU(1) nonlinear sigma model, corresponding to an electroweak effective Lagrangian in the absence of custodial symmetry.

• OSTI ID: 21020306
• Journal Information: Physical Review. D, Particles Fields, Vol. 75, Issue 7; Other Information: DOI: 10.1103/PhysRevD.75.075012; (c) 2007 The American Physical Society; Country of input: International Atomic Energy Agency (IAEA); ISSN 0556-2821
• Country of Publication: United States
• Language: English

Related Subjects

72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
CHIRALITY
CORRECTIONS
FLUCTUATIONS
LAGRANGIAN FUNCTION
NONLINEAR PROBLEMS
QUANTUM FIELD THEORY
SIGMA MODEL
SU-2 GROUPS
SYMMETRY
U-1 GROUPS