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hep-ph2026
Optimizing Yukawa couplings to suppress Dimension-five Proton Decay in GUT
Naoyuki Haba, Junpei Ikemoto, Yasuhiro Shimizu +1
The minimal supersymmetric grand unified theory (GUT) provides a highly compelling framework for physics beyond the Standard Model (SM). However, it suffers from a severe p…
hep-ph2026
Correlation Between Proton Decay Channels and the Axion Mass in an Extended SU(5) GUT
Naoyuki Haba, Keisuke Nagano, Yasuhiro Shimizu +1
We study a renormalizable SU(5) grand unified theory (GUT) supplemented by a 45-dimensional Higgs field and a DFSZ axion sector, imposing a Georgi--Jarlskog flavor structure at the…