54 citations · 260 across the 11 of their papers we have counts for
5 papers · 1 filter
The Higgs portal and an unified model for dark energy and dark matter
O. Bertolami, R. Rosenfeld
We examine a scenario where the Higgs boson is coupled to an additional singlet scalar field which we identify with a quintessence field. We show that this results in an unified pi…
Higgs Pair Production at the LHC in Models with Universal Extra Dimensions
Hiroshi de Sandes, Rogerio Rosenfeld
In this letter we study the process of gluon fusion into a pair of Higgs bosons in a model with one universal extra dimension. We find that the contributions from the extra top qua…
Microscopic Origin of Non-Gaussian Distributions of Financial Returns
T. S. Biro, R. Rosenfeld
In this paper we study the possible microscopic origin of heavy-tailed probability density distributions for the price variation of financial instruments. We extend the standard lo…
Technicolor contribution to lepton + photon + missing energy events at the Tevatron
A. R. Zerwekh, C. O. Dib, R. Rosenfeld
Events with one lepton, one photon and missing energy are the subject of recent searches at the Fermilab Tevatron. We compute possible contributions to these type of events from th…
Reconstruction of interacting dark energy models from parameterizations
Rogerio Rosenfeld
Models with interacting dark energy can alleviate the cosmic coincidence problem by allowing dark matter and dark energy to evolve in a similar fashion. At a fundamental level, the…