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On the Radiative Corrections to the Pseudo-scalar Higgs Boson Mass
A. Katsikatsou, A. B. Lahanas, D. V Nanopoulos +1
We reexamine the one-loop corrections to the mass of the pseudo-scalar Higgs boson, using the effective potential. In the absence of the chargino and neutralino contributions its m…
What if the Higgs Boson Weighs 115 GeV?
J. Ellis, G. Ganis, D. V. Nanopoulos +1
If the Higgs boson indeed weighs about 114 to 115 GeV, there must be new physics beyond the Standard Model at some scale \la 10^6 GeV. The most plausible new physics is supersymmet…
Flat Directions in Flipped SU(5) I: All-Order Analysis
G. B. Cleaver, J. Ellis, D. V. Nanopoulos
We present a systematic classification of field directions for the string-derived flipped SU(5) model that are D- and F-flat to all orders. Properties of the flipped SU(5) model wi…
Neutralino Dark Matter Elastic Scattering in a Flat and Accelerating Universe
A. B. Lahanas, D. V. Nanopoulos, V. C. Spanos
In SUGRA inspired supersymmetric models with universal boundary conditions for the soft masses, the scalar cross section for the elastic neutralino--nucleon scattering…
Towards String Predictions
G. B. Cleaver, A. E. Faraggi, D. V. Nanopoulos +1
The aim of superstring phenomenology is to develop the tools and methodology needed to confront string theory with experimental data. The first mandatory task is to find string sol…
Non-Abelian Flat Directions in a Minimal Superstring Standard Model
G. B. Cleaver, A. E. Faraggi, D. V. Nanopoulos +1
Recently, by studying exact flat directions of non-Abelian singlet fields, we demonstrated the existence of free fermionic heterotic-string models in which the SU(3)_C x SU(2)_L x…