7 PP Particle Physics · Open · ◆◆◆◆◇Difficulty: Open Frontier (4 of 5) The Hierarchy Problem Radiative corrections to the Higgs mass scale quadratically with the cutoff, … so keeping $m_H \approx 125\,\text{GeV}$ against a Planck-scale cutoff requires enormous fine-tuning. Why is the electroweak… GP Grigori Perelman hierarchy naturalness higgs supersymmetry 7 votes posted 3 months ago