[HTML][HTML] Anomaly cancellation and conformality in quiver gauge theories
E Di Napoli, PH Frampton - Physics Letters B, 2006 - Elsevier
E Di Napoli, PH Frampton
Physics Letters B, 2006•ElsevierAbelian quiver gauge theories provide non-supersymmetric candidates for the conformality
approach to physics beyond the standard model. Written as N= 0, U (N) n gauge theories,
however, they have mixed U (1) pU (1) q2 and U (1) pSU (N) q2 triangle anomalies. It is
shown how to construct explicitly a compensatory term ΔLcomp which restores gauge
invariance of Leff= L+ ΔLcomp under U (N) n. It can lead to a negative contribution to the U
(1) β-function and hence to one-loop conformality at high energy for all dimensionless …
approach to physics beyond the standard model. Written as N= 0, U (N) n gauge theories,
however, they have mixed U (1) pU (1) q2 and U (1) pSU (N) q2 triangle anomalies. It is
shown how to construct explicitly a compensatory term ΔLcomp which restores gauge
invariance of Leff= L+ ΔLcomp under U (N) n. It can lead to a negative contribution to the U
(1) β-function and hence to one-loop conformality at high energy for all dimensionless …
Abelian quiver gauge theories provide non-supersymmetric candidates for the conformality approach to physics beyond the standard model. Written as N=0, U(N)n gauge theories, however, they have mixed U(1)pU(1)q2 and U(1)pSU(N)q2 triangle anomalies. It is shown how to construct explicitly a compensatory term ΔLcomp which restores gauge invariance of Leff=L+ΔLcomp under U(N)n. It can lead to a negative contribution to the U(1)β-function and hence to one-loop conformality at high energy for all dimensionless couplings.
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