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The quantum vacuum of the minimal SO(10) GUT
/ Bertolini, Stefano ; Di Luzio, Luca ; Malinsky, Michal
We reexamine the longstanding no-go excluding all potentially viable SO(10) -> SU(3)_c x SU(2)_L x U(1)_Y symmetry breaking patterns within the minimal renormalizable non-supersymmetric SO(10) GUT framework featuring the 45-dimensional adjoint representation in the Higgs sector. [...]
arXiv:1010.0338.
-
2010.
Preprint
Yukawa couplings and fermion mass structure in F-theory GUTs
/ Leontaris, G K (Ioannina U.) ; Ross, G G (CERN ; Oxford U., Theor. Phys.)
The calculation of Yukawa couplings in F-theory GUTs is developed. The method is applied to the top and bottom Yukawa couplings in an SU(5) model of fermion masses based on family symmetries coming from the SU(5)_\perp factor in the underlying E(8) theory. [...]
arXiv:1009.6000; OUTP-10-27P; CERN-PH-TH-2010-208.-
2011
- Published in : J. High Energy Phys. 02 (2011) 108Springer Open Access article:PDF; External link: Preprint
Strongly Scale-dependent Non-Gaussianity
/ Riotto, Antonio (INFN, Padua ; CERN) ; Sloth, Martin S (CERN)
We discuss models of primordial density perturbations where the non-Gaussianity is strongly scale-dependent. In particular, the non-Gaussianity may have a sharp cut-off and be very suppressed on large cosmological scales, but sizeable on small scales. [...]
arXiv:1009.3020; CERN-PH-TH-2010-206.-
2011
- Published in : Phys. Rev. D 83 (2011) 041301APS Published version, local copy:PDF; External link: Preprint