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Charged-Lepton-Flavour Violation in the Light of the Super-Kamiokande Data
John Ellis, M. E. Gomez, G. K. Leontaris +2
Motivated by the data from Super-Kamiokande and elsewhere indicating oscillations of atmospheric and solar neutrinos, we study charged-lepton-flavour violation, in particular the r…
Gravitational-Recoil Effects on Fermion Propagation in Space-Time Foam
J. Ellis, N. E. Mavromatos, D. V. Nanopoulos +1
Motivated by the possible experimental opportunities to test quantum gravity via its effects on high-energy neutrinos propagating through space-time foam, we discuss how to incorpo…
A Minimal Superstring Standard Model II: A Phenomenological Study
G. B. Cleaver, A. E. Faraggi, D. V. Nanopoulos +1
Recently, we demonstrated the existence of heterotic--string solutions in which the observable sector effective field theory just below the string scale reduces to that of the MSSM…
Probing Models of Quantum Space-Time Foam
John Ellis, N. E. Mavromatos, D. V. Nanopoulos
We review the possibility that quantum fluctuations in the structure of space-time at the Planck scale might be subject to experimental probes. We study the effects of space-time f…
Neutralino relic density in a Universe with a non-vanishing cosmological constant
A. B. Lahanas, D. V. Nanopoulos, V. C. Spanos
We discuss the relic density of the lightest of the supersymmetric particles in view of new cosmological data, which favour the concept of an accelerating Universe with a non-vanis…
Astrophysical Probes of the Constancy of the Velocity of Light
J. Ellis, K. Farakos, N. E. Mavromatos +2
We discuss possible tests of the constancy of the velocity of light using distant astrophysical sources such as gamma-ray bursters (GRBs), Active Galactic Nuclei (AGNs) and pulsars…