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Št. zadetkov: 5
Neutrino masses, δ[sub](PMNS), and m[sub](ββ) in SO(10)
Shaikh Saad, Qaisar Shafi
Izvirni znanstveni članek
Oznake: veliko poenotenje;supersimetrija;supersimetrični model SO(10);mase nevtrinov in CP-kršitev;netermična leptogeneza;grand unification;supersymmetry;supersymmetric SO(10) model;neutrino masses and CP violations;non-thermal leptogenesis;
We explore the leptonic sector of a recently proposed supersymmetric SO(10) model with supersymmetry breaking in the 3–10 TeV range. A new ingredient in this work is the requirement that the observed baryon asymmetry is explained via non-thermal leptogenesis, which can be realized in a large class o ...
Leto: 2026 Vir: Institut Jožef Stefan (IJS)
Beyond neutrino mass: observable n-[bar]n oscillations in UV complete seesaw models
Ilja Doršner, Svjetlana Fajfer, Shaikh Saad
Izvirni znanstveni članek
Oznake: fizika osnovnih delcev;physics of elementary particles;
Next-generation experiments, such as the Deep Underground Neutrino Experiment and the European Spallation Source, are set to improve sensitivity to neutron-antineutron oscillation, a direct probe of ∆B = 2 baryon number violation, with particularly significant gains expected at the latter. The disco ...
Leto: 2025 Vir: Fakulteta za matematiko in fiziko (UL FMF)
Updated running quark and lepton parameters at various scales
Stefan Antusch, Kevin Hinze, Shaikh Saad
Izvirni znanstveni članek
Oznake: Yukawa couplings;renormalization group running;Standard Model;MSSM parameters;
In light of the recent Particle Data Group (PDG) release, we revisit the running quark and lepton Yukawa couplings, together with the quark mixing parameters, across a range of energy scales. The 2024 PDG determinations of low-energy fermion masses feature significantly smaller uncertainties, result ...
Leto: 2026 Vir: Institut Jožef Stefan (IJS)
ǂA ǂnew perspective on the CMSSM
Stefan Antusch, Shaikh Saad, Vasja Susič
Izvirni znanstveni članek
Oznake: supersimetrija;teorije okusa;veliko poenotenje;specifična fenomenologija teorij onkraj standardnega poenotenja;supersymmetry;theories of flavour;grand unification;specific BSM phenomenology;
What does third family (t-b-τ) Yukawa unification, a typical prediction from embedding the Standard Model (SM) fermions in 16-plets of a grand unifying SO(10) gauge symmetry, imply for the scale of the supersymmetric (SUSY) partners? Which neutralino dark matter candidate can be realized, and how la ...
Leto: 2026 Vir: Institut Jožef Stefan (IJS)
Gauge and scalar boson mediated proton decay in a predictive SU(5) GUT model
Ilja Doršner, Emina Džaferović-Mašić, Svjetlana Fajfer, Shaikh Saad
Izvirni znanstveni članek
Oznake: fizika osnovnih delcev;physics of elementary particles;
We assess proton decay signatures in the simplest viable $SU(5)$ model with regard to constraints on parameters governing the Standard Model fermion mass spectrum. Experimental signals for all eight two-body proton decay processes result from exchange of two gauge bosons, a single scalar leptoquark, ...
Leto: 2024 Vir: Fakulteta za matematiko in fiziko (UL FMF)
Št. zadetkov: 5
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