Top-Quark and Higgs-Boson Mass Bounds from a Numerical Study of Supersymmetric Grand Unified Theories

Authors

Haukur Arason, University of Florida
Diego Castano, University of FloridaFollow
Bettina Kesthelyi, University of Florida
Samuel Mikaelian, University of Florida
Eric J. Piard, University of Florida
Pierre Ramond, University of Florida
Brian D. Wright, University of Florida

Document Type

Article

Publication Title

Physical Review Letters

ISSN

0031-9007

Publication Date

11-1991

Abstract

We run all the couplings of the minimal supersymmetric (SUSY) extension of the standard model, taking account of the Yukawa sector. After identifying the scale at which the gauge couplings unify, we place bounds on the top-quark mass by requiring equality of the bottom-quark and τ Yukawa couplings at that scale. For M_SUSY=1 TeV, M_b=4.6 GeV, we find 139≤M_t≤194 GeV, which remarkably satisfy the ρ-parameter bound. Furthermore, using the minimal SUSY boundary condition on the scalar quartic coupling, we obtain bounds for the mass of the Higgs boson, 44≤M_Higgs≤120 GeV.

DOI

10.1103/PhysRevLett.67.2933

Volume

67

Issue

21

First Page

2933

Last Page

2936

Comments

©1991 American Physical Society

NSUWorks Citation

Arason, H., Castano, D., Kesthelyi, B., Mikaelian, S., Piard, E. J., Ramond, P., & Wright, B. D. (1991). Top-Quark and Higgs-Boson Mass Bounds from a Numerical Study of Supersymmetric Grand Unified Theories. Physical Review Letters, 67, (21), 2933 - 2936. https://doi.org/10.1103/PhysRevLett.67.2933. Retrieved from https://nsuworks.nova.edu/cnso_chemphys_facarticles/34