1998/01/20 by Riccardo Barbieri, Alessandro Strumia, Алессандро Струмиа · 6 citations
Mathematics · Physics and Astronomy · #Cosmology and Gravitation Theories #Dark Matter and Cosmic Phenomena #Fine-tuning #Form factor (electronics) #Gauge (firearms) #Geometry #Higgs boson #Materials science #Mathematics #Minimal Supersymmetric Standard Model #Optics #Particle physics #Particle physics theoretical and experimental studies #Physics #Quantum mechanics #Radiative transfer #Reduction (mathematics) #Standard Model (mathematical formulation) #Superpartner #Supersymmetry #hep-ph
paper · pdf · doi:10.1016/s0370-2693(98)00577-2
published as Phys.Lett.B433:63-66,1998 · 3 pages, 3 figures
arxiv created 1998/01/20 · openalex publication_date 1998/08/01 · arxiv updated 2009/11/30 · openalex created_date 2025/10/10 · openalex updated_date 2026/08/05
Following Chankowski, Ellis and Pokorski we quantify the amount of fine-tuning of input parameters of the Minimal Supersymmetric Standard Model that is needed to respect the lower limits on sparticle and Higgs masses imposed by negative searches so far, direct or indirect. By including the one loop radiative corrections to the effective potential, the amount of fine-tuning is reduced with respect to the results of CEP by a factor of 2--5, strongly increasing as tanβapproaches 1. A further reduction factor may come from a more appropriate, less restrictive, definition of the fine-tuning parameter itself.