Results 11 to 20 of about 4,875 (298)
Grand Unified Theories without the Desert [PDF]
Physical Review Letters, 2000 We present a Grand Unified Theory (GUT) that has GUT fields with masses of the order of a TeV, but at the same time preserves (at the one-loop level) the success of gauge-coupling unification of the MSSM and the smallness of proton decay operators.
Pomarol Clotet, Àlex +2 more
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Light thresholds in Grand Unified Theories [PDF]
Nuclear Physics B, 1995 In a generic Grand Unified Theory with a relatively small dispersion of the spectrum around the $Z$-boson and the unification masses, a connection is established, exact at one loop level, between $M_Z$, $G_{\rm F}$, $α(M_Z)$ and the strong coupling constant $α_3(M_Z)$.
BARBIERI R +2 more
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Flavor symmetries in an SU(5) model of grand unification
Journal of High Energy Physics, 2022 We investigate the options for imposing flavor symmetries on a minimal renormalizable non-supersymmetric SU(5) grand unified theory, without introducing additional flavor-related fields.
Malte Lindestam +2 more
doaj +1 more source
Temporary Grand Unified Theory in Unphysical World [PDF]
, 2009 2013/12/9 ファイル差し替え（著者最終稿→出版社版）We construct grand unified models on an orbifold based on unphysical grand unification. The reduction to the standard model or its supersymmetric one is carried out using a variant of Parisi-Sourlas mechanism and nontrivial ...
Kawamura Y, Kawamura, Y
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A clockwork solution to the doublet-triplet splitting problem
Physics Letters B, 2021 Maybe the biggest puzzle in grand unified theories (GUTs) is the apparent large splitting of the doublet and triplet Higgs masses. We suggest a novel mechanism to solve this puzzle, which relies on the clockwork mechanism to generate large hierarchies ...
Gero von Gersdorff
doaj +1 more source
Insights into grand unified theories from current experimental data [PDF]
, 2015 In this thesis, we investigate several ways how the structure of a high energy particle physics model constituting a grand unification theory (GUT) in supersymmetry (SUSY) can be inferred from multiple types of information obtained at low energy ...
Maurer, Vinzenz Karl Maria
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Model building by coset space dimensional reduction scheme using eight-dimensional coset spaces
Journal of High Energy Physics, 2023 We investigate the twelve-dimensional gauge-Higgs unification models with an eight- dimensional coset space as the extra space. For each model, we apply the coset space dimensional reduction procedure and examine the particle contents of the resulting ...
Kento Asai +4 more
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SO(10) × S 4 grand unified theory of flavour and leptogenesis
Journal of High Energy Physics, 2017 We propose a Grand Unified Theory of Flavour, based on SO(10) together with a non-Abelian discrete group S 4, under which the unified three quark and lepton 16-plets are unified into a single triplet 3′. The model involves a further discrete group ℤ 4 R
Francisco J. de Anda +2 more
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Liberating methodological thinking in human sciences from grand theories
Akademisk Kvarter, 2016 Many humanistic and social disciplines are naturally inclined to seek for human-, person-, self- centered focus, and develop a holistic theory of such. Such disciplines continually engage with philosophical, metaphysical and meta-theoretical perspectives.
Nikita A. Kharlamov +1 more
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Predicting the flavour and SUSY flavour structure from grand unified theories [PDF]
, 2016 Grand Unified Theories (GUTs) offer an attractive framework for flavour models, since they feature relations between quarks and leptons. Combining them with Supersymmetry (SUSY) and flavour symmetries, we derive predictions for the flavour and SUSY ...
Sluka, Constantin
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