1996/02/29 by Elizabeth H. Simmons, Yumian Su · 1 citation
Physics and Astronomy · #Black Holes and Theoretical Physics #Particle physics theoretical and experimental studies #Quantum Chromodynamics and Particle Interactions #hep-ph
paper · pdf · doi:10.1103/physrevd.54.3580
published as Phys.Rev. D54 (1996) 3580-3586 · Corrected typos; added footnotes and a reference. 19 pages, LaTeX, includes 8 figures, full postscript version at http://smyrd.bu.edu/htfigs/htfigs.html
arxiv created 1996/04/11 · openalex publication_date 1996/09/01 · arxiv updated 2009/11/30 · openalex created_date 2016/06/24 · openalex updated_date 2026/07/28
We compute the one-loop corrections to the Z\ensuremath→bb vertex in the U(1)R symmetric minimal supersymmetric extension of the standard model. We find that the predicted value of Rb is consistent with the experimental value if the mass of the lighter top squark is no more than 180 GeV. Furthermore, other data combine to place a lower bound of 88 GeV on the mass of the light top squark. A top squark in this mass range should be accessible to searches by experiments at Fermilab and at CERN LEP.