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First Constraints on SU(5)xU(1) Supergravity from Trilepton Searches at the Tevatron
J. Lopez, D. Nanopoulos, G. Park +2
We present the first constraints on the parameter space of supergravity (in both no-scale and dilaton scenarios) which arise from the recently announced limits o…
A Liouville String Approach to Microscopic Time and Cosmology
J. Ellis, N. Mavromatos, D. Nanopoulos
In the non-critical string framework that we have proposed recently, the time is identified with a dynamical local renormalization group scale, the Liouville mode, and behaves…
New Precision Electroweak Tests of SU(5) x U(1) Supergravity
J. L. Lopez, D. V. Nanopoulos, G. T. Park +1
We explore the one-loop electroweak radiative corrections in supergravity via explicit calculation of vacuum-polarization and vertex-correction contributions to…
Scrutinizing Supergravity Models through Neutrino Telescopes
Raj Gandhi, Jorge L. Lopez, D. V. Nanopoulos +2
Galactic halo neutralinos () captured by the Sun or Earth produce high-energy neutrinos as end-products of various annihilation modes. These neutrinos can travel from the Sun or…
"Large in SU(5)xU(1) supergravity models"
J. Lopez, D. Nanopoulos, X. Wang
We compute the supersymmetric contribution to the anomalous magnetic moment of the muon within the context of supergravity models. The largest possible contribut…
The strongest experimental constraints on SU(5)xU(1) supergravity models
J. Lopez, D. Nanopoulos, G. Park +1
We consider a class of well motivated string-inspired flipped supergravity models which include four supersymmetry breaking scenarios: no-scale, strict no-scale, dilaton, a…