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Possible new gamma-ray pulsar detections for AGILE and GLAST missions: The outer gap model look at the Parkes pulsar Catalog
Diego F. Torres, Sebastian E. Nuza
The predictive power of the outer gap model of high energy emission from pulsars is used to analyze the Parkes Multibeam pulsar survey. We find that most of the radio pulsars of th…
Neutrinos from Accreting Neutron Stars
Luis A. Anchordoqui, Diego F. Torres, Thomas P. McCauley +2
The magnetospheres of accreting neutron stars develop electrostatic gaps with huge potential drops. Protons and ions, accelerated in these gaps along the dipolar magnetic field lin…
Supernova remnants and gamma-ray sources
Diego F. Torres, Gustavo E. Romero, Thomas M. Dame +2
A review of the possible relationship between gamma-ray sources and supernova remnants (SNRs) is presented. Particular emphasis is given to the analysis of the observational status…
Anisotropy at the end of the cosmic ray spectrum?
Luis A. Anchordoqui, Haim Goldberg, Diego F. Torres
The starburst galaxies M82 and NGC253 have been proposed as the primary sources of cosmic rays with energies above eV. For energies $\agt 10^{20.3}$ eV the model predic…
Degeneracy in exotic gravitational lensing
Margarita Safonova, Diego F. Torres
We present three different theoretically foreseen, but unusual, astrophysical situations where the gravitational lens equation ends up being the same, thus producing a degeneracy p…
Supernova-Remnant Origin of Cosmic Rays?
Yousaf M. Butt, Diego F. Torres, Gustavo E. Romero +2
It is thought that Galactic cosmic ray (CR) nuclei are gradually accelerated to high energies (up to ~300 TeV/nucleon, where 1TeV=10^12eV) in the expanding shock-waves connected wi…
Molecular Beam Dumps as Tracers of Hadronic Cosmic Ray Sources: the Case of SNR IC443
Yousaf M. Butt, Diego F. Torres, Jorge A. Combi +2
The gamma-ray & neutrino visibility of cosmic ray (CR) accelerators will be dramatically increased by the presence of molecular material abutting such sites due to the increased pr…
The relativistic Iron K-alpha line from an accretion disc onto a static non-baryonic compact object
Youjun Lu, Diego F. Torres
This paper continues the study of the properties of an accretion disc rotating around a non-baryonic (assumed super-massive) compact object. This kind of objects, generically known…
Nearby quasar remnants and ultra-high energy cosmic rays
Diego F. Torres, Elihu Boldt, Timothy Hamilton +1
As recently suggested, nearby quasar remnants are plausible sites of black-hole based compact dynamos that could be capable of accelerating ultra-high energy cosmic rays (UHECRs).…
Quintessence, super-quintessence and observable quantities in Brans-Dicke and non-minimally coupled theories
Diego F. Torres
The different definitions for the equation of state of a non-minimally coupled scalar field that have been introduced in the literature are analyzed. Particular emphasis is made up…
Reissner-Nordstrom black hole lensing
Ernesto F. Eiroa, Gustavo E. Romero, Diego F. Torres
In this paper we study the strong gravitational lensing scenario where the lens is a Reissner-Nordstrom black hole. We obtain the basic equations and show that, as in the case of S…
Accretion disc onto a static non-baryonic compact object
Diego F. Torres
We study the emissivity properties of a geometrically thin, optically thick, steady accretion disc about a static boson star. Starting from a numerical computation of the metric po…