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The Gravitational Suppression Hypothesis: Dynamical Analysis in the Small Velocity Regime
Christian Marinoni, Federico Piazza
In a previous paper we have proposed a non--Newtonian, phenomenological description of the effective gravitational force acting between exotic dark matter and baryons, which was sh…
The GraS Hypothesis: a Model for Dark Matter-Baryons Gravitational Interaction
Federico Piazza, Christian Marinoni
According to the gravitational suppression (GraS) hypothesis the gravitational interaction between exotic (dark) and standard (visible) matter is suppressed below the kpc scales. W…
BeppoSAX ToO Observations on BLAZARS
Gianpiero Tagliaferri, Gabriele Ghisellini, Marcello Ravasio
We summarize the results of BeppoSAX ToO observation of blazars that were known to be in a high state from observations carried out in the optical or X-ray or TeV bands.In some of…
Studying the Cosmic X-ray Background with XMM-Newton
A. De Luca, S. Molendi
We present a work in progress aimed at measuring the spectrum of the Cosmic X-ray Background (CXB) with the EPIC detectors onboard XMM-Newton. Our study includes a detailed charact…
XMM-Newton and Wide Field Optical Imaging to crack the mystery of unidentified gamma-ray sources
P. A. Caraveo, A. De Luca, N. La Palombara +5
The limited angular resolution of gamma-ray telescopes prevents the straight identification of the majority of the sources detected so far. While the only certified galactic gamma-…