Specific Grand unified theories (GUTs) can predict the grand unification energy but, usually, with large uncertainties due to model dependent details such as the choice of the gauge group, the Higgs sector, the matter content or further free parameters.
United States Department of Energy | Grand Prix motorcycle racing | Grand Canyon | International Atomic Energy Agency | Leadership in Energy and Environmental Design | Grand Trunk Railway | Grand National | Grand Rapids, Michigan | Grand Prix | Grand Duchy of Lithuania | Grand Central Terminal | Department of Energy | Grand Theft Auto: San Andreas | Grand Theft Auto IV | Grand Tour | Grand Ole Opry | Grand Duchy of Hesse | Grand Rapids | United States Atomic Energy Commission | Grand Vizier | Grand Union Canal | Houston Grand Opera | Grand Theft Auto V | Grand Théâtre de Genève | Grand Prix motor racing | Grand Duchy of Mecklenburg-Schwerin | Unification Church | renewable energy | Grand Theft Auto | Grand Prix du Disque |