Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
1998-07-03
Phys.Lett. B441 (1998) 178-184
Physics
High Energy Physics
High Energy Physics - Phenomenology
12 pages including 3 figures, LaTeX; a few comments added; to appear in Phys. Lett. B
Scientific paper
10.1016/S0370-2693(98)01171-X
We examine gauge coupling unification and prediction for $\alpha_s (M_Z)$ in minimal flipped SU(5) with gauge-mediated supersymmetry breaking. We include threshold corrections at weak scale, messenger scale and unification scale, and explicitly show that in this model there can be either \emph{one-step} or \emph{two-step} gauge coupling unification, depending on unification-scale threshold corrections. The experimental value of $\alpha_s (M_Z)$ constrains heavy particle masses in one-step unification. In the case of two-step unification, we examine the prediction for $\alpha_s (M_Z)$ with two-loop, light, messenger and heavy threshold corrections, and find it to be compatible with the updated experimental data.
Mahanthappa Kalyana T.
Oh Sechul
No associations
LandOfFree
Alpha_s and Gauge Coupling Unification in Flipped SU(5) Models with Gauge-Mediated Supersymmetry Breaking does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.
If you have personal experience with Alpha_s and Gauge Coupling Unification in Flipped SU(5) Models with Gauge-Mediated Supersymmetry Breaking, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Alpha_s and Gauge Coupling Unification in Flipped SU(5) Models with Gauge-Mediated Supersymmetry Breaking will most certainly appreciate the feedback.
Profile ID: LFWR-SCP-O-246028