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Gamma-ray and neutrino diffuse emissions of the Galaxy above the TeV
C. Evoli, D. Grasso, L. Maccione
In this contribution we will discuss recent results concerning the intensity and the angular distribution of the gamma-ray and neutrino emissions as should be originated from the h…
Diffuse Neutrino and Gamma-ray Emissions of the Galaxy above the TeV
Carmelo Evoli, Dario Grasso, Luca Maccione
We simulate the neutrino and -ray emissions of the Galaxy which are originated from the hadronic scattering of cosmic rays (CR) with the interstellar medium (ISM). Rather than a…
TeV Neutrinos from SuperNova Remnants embedded in Giant Molecular Clouds
Vincenzo Cavasinni, Dario Grasso, Luca Maccione
The recent detection of -rays with energy up to 10 TeV from dense regions surrounding some Supernova Remnants (SNR) provides strong, though still not conclusive, evidence that t…
Sgr A East as a possible high energy neutron factory in the Galactic Centre
Dario Grasso, Luca Maccione
Sgr A East is a supernova remnant located within few parsecs from the Galactic Centre (GC). There are good reasons to believe that this object is the source of the gamma-ray excess…
Relic Backgrounds of Gravitational Waves from Cosmic Turbulence
Alexander D. Dolgov, Dario Grasso, Alberto Nicolis
Turbulence may have been produced in the early universe during several kind of non-equilibrium processes. Periods of cosmic turbulence may have left a detectable relic in the form…
Generation of Cosmic Magnetic Fields and Gravitational Waves at Neutrino Decoupling
A. D. Dolgov, D. Grasso
We show that an inhomogeneous cosmological lepton number may have produced turbulence in the primordial plasma when neutrinos entered (almost) free-streaming regime. This effect ma…
Magnetic Fields in the Early Universe
Dario Grasso, H. R. Rubinstein
This review concerns the origin and the possible effects of magnetic fields in the early Universe. We start by providing to the reader with a short overview of the current state of…
Neutrino oscillations in magnetized media and implications for the pulsar velocity puzzle
Dario Grasso
After a brief presentation of the general techniques used to determine neutrino potentials in a magnetized medium I will discuss MSW resonant oscillations of active and sterile neu…
Distortion of the acoustic peaks in the CMBR due to a primordial magnetic field
Jenni Adams, Ulf H. Danielsson, Dario Grasso +1
In this paper we study the effect of a magnetic field on the fluctuation spectrum of the cosmic microwave background. We find that upcoming measurements might give interesting boun…
Cosmological Bounds to the Magnetic Moment of Heavy Tau Neutrinos
Dario Grasso, Edward W. Kolb
The magnetic moment of tau neutrinos in the MeV mass range may be large enough to modify the cosmological freeze-out calculation and determine the tau-neutrino relic density. In th…
Revisiting Nucleosynthesis Constraints on Primordial Magnetic Fields
D. Grasso, H. R. Rubinstein
In view of several conflicting results, we reanalyze the effects of magnetic fields on the primordial nucleosynthesis. In the case the magnetic field is homogeneous over a horizon…
Limits on possible magnetic fields at nucleosynthesis time
D. Grasso, H. R. Rubistein
In this paper we discuss limits on magnetic fields that could have been present at nucleosynthesis time. We considered several effects that could be relevant modifing light element…