Conveners
S4
- Chang Sub Shin (Institute for Basic Science)
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Fuminobu Takahashi (Tohoku University)25/08/2026, 09:30
We show that anomaly cancellation, usually imposed as a condition for quantum consistency, can also serve as a principle for organizing particle spectra in chiral gauge theories. For a broad class of spectra charged under both a vector-like gauge symmetry and a chiral gauge symmetry, the anomaly equations are exactly equivalent to the degree-3 Prouhet–Tarry–Escott problem in number theory....
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Andre de Gouvea (Northwestern University)25/08/2026, 10:10
We discuss the next-to-leading-order corrections to the neutrino oscillation phase and applying the result to reactor antineutrinos. At next-to-leading order, the oscillation phase includes terms proportional to m_i^4-m_j^4 = Delta m^2_{ij}(m_i^2+m_j^2), and is therefore sensitive to the absolute mass scale. We estimate the sensitivity of JUNO to the absolute neutrino mass scale.
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Arunansu Sil (Indian Institute of Technology Guwahati)25/08/2026, 10:50
We propose a low-scale leptogenesis scenario within the neutrino seesaw framework, where CP-violating decays of right-handed neutrinos (RHN) generate the required lepton asymmetry even for RHN masses below the Standard Model Higgs mass. This is achieved by delaying the sphaleron decoupling through a first-order electroweak phase transition, allowing efficient conversion of lepton asymmetry...
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