Proton decay and axion dark matter in SO(10) grand unification via minimal left–right symmetryYuta Hamada, Masahiro Ibe, Yu Muramatsu, Kin-ya Oda and Norimi YokozakiEur. Phys. J. C, 80 5 (2020) 482DOI: https://doi.org/10.1140/epjc/s10052-020-7922-x