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Five-dimensional CFTs from the ε -expansion

De Cesare F.
•
Di Pietro L.
•
Serone M.
2021
  • journal article

Periodico
PHYSICAL REVIEW D
Abstract
We look for UV fixed points of non-Abelian SU(nc) gauge theories in 4+2ε dimensions with nf Dirac fermions in the fundamental representation, using the available five-loop MS ̄ β-function and employing Padé-Borel resummation techniques and Padé approximants to the series expansion in ε. We find evidence for a five-dimensional UV fixed point for SU(2) theories with nf≤4 and pure SU(nc) theories for nc≤4. We also compute the anomalous dimensions γ and γg of respectively the fermion mass bilinear and the gauge kinetic term operator at the UV fixed point.
DOI
10.1103/PhysRevD.104.105015
WOS
WOS:000720982000006
Archivio
http://hdl.handle.net/11368/3018371
info:eu-repo/semantics/altIdentifier/scopus/2-s2.0-85120375411
Diritti
open access
license:creative commons
license uri:http://creativecommons.org/licenses/by/4.0/
FVG url
https://arts.units.it/bitstream/11368/3018371/1/PhysRevD.104.105015.pdf
Soggetti
  • Renormalization group...

  • Conformal field theor...

  • Gauge theory

  • Higher dimensional fi...

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