Johan Bijnens
Professor, Deputy Head of Division
Two-point functions and S-parameter in QCD-like theories
Author
Summary, in English
We calculated the vector, axial-vector, scalar and pseudo-scalar two-point functions up to two-loop level in the low-energy effective field theory for three different QCD-like theories. In addition we also calculated the pseudo-scalar decay constant G M. The QCD-like theories we used are those with fermions in a complex, real or pseudoreal representation with in general n flavours. These case correspond to global symmetry breaking pattern of SU(n)(L) x SU(n)(R) -> SU(n)(V), SU(2n) -> SO(2n) or SU(2n) -> Sp(2n). We also estimated the S parameter for those different theories.
Department/s
- Theoretical Particle Physics - Has been reorganised
Publishing year
2012
Language
English
Publication/Series
Journal of High Energy Physics
Issue
1
Document type
Journal article
Publisher
Springer
Topic
- Subatomic Physics
Keywords
- Spontaneous Symmetry Breaking
- Chiral Lagrangians
- Technicolor and
- Composite Models
- Lattice Quantum Field Theory
Status
Published
ISBN/ISSN/Other
- ISSN: 1029-8479