Results 11 to 20 of about 121,284 (245)
Flavour symmetries in the SMEFT [PDF]
Journal of High Energy Physics, 2020 We analyse how U(3)5 and U(2)5 flavour symmetries act on the Standard Model Effective Field Theory, providing an organising principle to classify the large number of dimension-six operators involving fermion fields. A detailed counting of such operators,
Darius A. Faroughy +3 more
doaj +2 more sources
Flavour and CP symmetries in the inverse seesaw
European Physical Journal C: Particles and Fields, 2022 We consider an inverse seesaw mechanism of neutrino mass generation in which the Standard Model is extended by $$3+3$$ 3 + 3 (heavy) sterile states, and endowed with a flavour symmetry $$G_f$$ G f , $$G_f=\Delta (3 \, n^2)$$ G f = Δ ( 3 n 2 ) or $$G_f ...
C. Hagedorn +3 more
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Discrete flavour and CP symmetries in light of JUNO and neutrino global fit
Journal of High Energy PhysicsWorking within the reference three-neutrino mixing framework, we confront the lepton mixing predictions derived using non-Abelian discrete flavour and CP symmetries with the first JUNO data on the solar neutrino mixing parameters sin2 θ 12 and with the ...
Gui-Jun Ding +3 more
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Flavour symmetries in a renormalizable SO(10) model [PDF]
Nuclear Physics B, 2016 In the context of a renormalizable supersymmetric SO(10) Grand Unified Theory, we consider the fermion mass matrices generated by the Yukawa couplings to a 10⊕120⊕126‾ representation of scalars. We perform a complete investigation of the possibilities of
P.M. Ferreira +3 more
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Flavour physics and flavour symmetries after the first LHC phase [PDF]
, 2014 21 pages, 9 figuresBased on flavour symmetries only, there are two ways to give rise to an effective description of flavour physics in the quark sector close to the CKM picture: one is based on $U(3)_q\times U(3)_u\times U(3)_d$ (or equivalent) and the ...
Barbieri, Riccardo +11 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
core +1 more source
Two A5 modular symmetries for Golden Ratio 2 mixing
Nuclear Physics B, 2022 We present a model of leptonic mixing based on two A5 modular symmetries using the Weinberg operator. The two modular symmetries are broken to the respective diagonal A5 subgroup.
Ivo de Medeiros Varzielas +1 more
doaj +1 more source
Modular binary octahedral symmetry for flavor structure of Standard Model
Journal of High Energy Physics, 2023 We have investigated the modular binary octahedral group 2O as a flavor symmetry to explain the structure of Standard Model. The vector-valued modular forms in all irreducible representations of this group are constructed. We have classified all possible
Gui-Jun Ding +3 more
doaj +1 more source
Leptonic Flavour Symmetries and their Cosmological Dynamics [PDF]
, 2017 Neutrino oscillations, and the implication of non-zero neutrino masses and mixing, is one of the most significant particle physics discoveries in recent times. Flavour symmetries provide a compelling explanation of the pattern of mixing we observe in the
Turner, Jessica Margaret
core +4 more sources
Symmetry constrained two Higgs doublet models
European Physical Journal C: Particles and Fields, 2018 We study two-Higgs-doublet models (2HDM) where Abelian symmetries have been introduced, leading to a drastic reduction in the number of free parameters in the 2HDM.
João M. Alves +5 more
doaj +1 more source