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6 papers · 1 filter
One loop corrections to the Neutralino sector and Radiative Electroweak Breaking in the MSSM
A. B. Lahanas, K. Tamvakis, N. D. Tracas
We compute one loop radiative corrections to the physical neutralino masses in the MSSM considering the dominant top-stop contributions. We present a numerical renormalization grou…
Lepton Flavor Non-Conservation
T. S. Kosmas, G. K. Leontaris, J. D. Vergados
In the present work we review the most prominent lepton flavor violating processes ($μ\ra eγ$, $μ\ra 3e$, conversion, oscillations etc), in the context of unifi…
Radiative Symmetry Breaking and the Top Quark Mass in Local Supersymmetry
G. K. Leontaris
Exact low energy expressions are derived for the top-squark and higgs masses, taking into account radiative contributions due to a heavy top quark. Their masses are expressed as an…
FCNCs in SUSY GUTs (flavor changing neutral currents in predictive SUSY-GUTS)
G. K. Leontaris
Constraints from flavour changing neutral currents are discussed in the context of predictive Grand Unified Supersymmetric Theories. Uncertainties in the estimation of their amplit…
Singularity-free cosmological solutions of the superstring effective action
I. Antoniadis, J. Rizos, K. Tamvakis
We study the cosmological solutions of the one loop corrected superstring effective action, in a Friedmann-Robertson-Walker background, and in the presence of the dilaton and modul…
Neutrino Masses in Flipped SU(5)
G. K. Leontaris, J. D. Vergados
We analyse the fermion masses and mixings in the flipped SU(5) model. The fermion mass matrices are evolved from the GUT scale down to by solving the renormalization group eq…