12 papers
High-energy -ray emission from GRBs
F. De Paolis, G. Ingrosso, D. Orlando
GRBs are nowadays a rather well understood phenomenon in the soft (KeV-MeV) -ray energy band, while only a few GRBs have been observed at high photon energies ($E_γ \ut > 1$ GeV…
Microlensing towards different Galactic targets
Lukas Grenacher, Philippe Jetzer, Marcus Strässle +1
We calculate the optical depth and the number of events due to gravitational microlensing towards the Galactic bulge, the spiral arm directions Scutum, Scutum, Normae,…
Gamma ray emission from a baryonic dark halo
F. De Paolis, G. Ingrosso, Ph. Jetzer +1
A recent re-analysis of EGRET data by Dixon et al. has led to the discovery of a statistically significant diffuse -ray emission from the galactic halo. We show that this emissi…
MACHOs as brown dwarfs
F. De Paolis, G. Ingrosso, Ph. Jetzer +1
Recent observations of microlensing events in the Large Magellanic Cloud suggest that a sizable fraction of the galactic halo is in the form of Massive Astrophysical Compact Halo O…
Microlensing results and the galactic models
F. De Paolis, Ph. Jetzer, G. Ingrosso
Microlensing results towards the LMC strongly depend on the properties of both the luminous and the dark matter distribution in the Galaxy. The two main sources of uncertainty come…
X-ray emission from dark clusters of MACHOs
F. De Paolis, G. Ingrosso, Ph. Jetzer +1
MACHOs (Massive Astrophysical Compact Halo Objects) - as discovered by microlensing experiments towards the LMC - provide a natural explanation for the galactic halo dark matter. A…