648 citations
- Istituto Nazionale di Fisica Nucleare, Sezione di PisaIT176 papers
- Scuola Normale SuperioreIT54 papers
- Centre National de la Recherche ScientifiqueFR42 papers
- University of TriesteIT41 papers
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27 papers · 1 filter
C/O white dwarfs of very low mass: 0.33-0.5 Mo
P. G. Prada Moroni, O. Straniero
The standard lower limit for the mass of white dwarfs (WDs) with a C/O core is roughly 0.5 Mo. In the present work we investigated the possibility to form C/O WDs with mass as low…
Gamma-ray and radio tests of the e+e- excess from DM annihilations
Gianfranco Bertone, Marco Cirelli, Alessandro Strumia +1
PAMELA and ATIC recently reported an excess in e+e- cosmic rays. We show that if it is due to Dark Matter annihilations, the associated gamma-ray flux and the synchrotron emission…
Discovery of a very high energy gamma-ray signal from the 3C 66A/B region
MAGIC Collaboration, E. Aliu
The MAGIC telescope observed the region around the distant blazar 3C 66A for 54.2 h in 2007 August-December. The observations resulted in the discovery of a gamma-ray source at ene…
Periodic very high energy gamma-ray emission from LS I +61 303 observed with the MAGIC telescope
MAGIC Collaboration, J. Albert
The MAGIC collaboration has recently reported the discovery of gamma-ray emission from the binary system LS I +61 303 in the TeV energy region. Here we present new observational re…
An oscillating Universe from the linearized R^{2} theory of gravity
Christian Corda
An oscillating Universe which arises from the linearized R^{2} theory of gravity is discussed, showing that some observative evidences like the cosmological redshift and the Hubble…
Metastability of hadronic compact stars
I. Bombaci, P. K. Panda, C. Providencia +1
Pure hadronic compact stars, above a threshold value of their gravitational mass (central pressure), are metastable to the conversion to quark stars (hybrid or strange stars). In t…