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EuCAPT White Paper: Opportunities and Challenges for Theoretical Astroparticle Physics in the Next Decade
/ Alves Batista, R. (Madrid, IFT) ; Amin, M.A. (Rice U.) ; Barenboim, G. (Valencia U.) ; Bartolo, N. (U. Padua, Dept. Phys. Astron.) ; Baumann, D. (Amsterdam U. ; U. Amsterdam, GRAPPA ; U. Edinburgh, Higgs Ctr. Theor. Phys.) ; Bauswein, A. (Darmstadt, GSI) ; Bellini, E. (Geneva U., Dept. Theor. Phys.) ; Benisty, D. (Cambridge U., DAMTP ; Cambridge U., KICC ; Cambridge U., Inst. of Astron.) ; Bertone, G. (Amsterdam U. ; U. Amsterdam, GRAPPA) ; Blasi, P. (GSSI, Aquila ; Gran Sasso) et al.
Astroparticle physics is undergoing a profound transformation, due to a series of extraordinary new results, such as the discovery of high-energy cosmic neutrinos with IceCube, the direct detection of gravitational waves with LIGO and Virgo, and many others. [...]
arXiv:2110.10074.
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134.
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High Energy Neutrino expectations from the Central Molecular Zone
/ Marinelli, Antonio (INFN, Pisa ; Pisa U.) ; Gaggero, Daniele (U. Amsterdam, GRAPPA) ; Grasso, Dario (INFN, Pisa ; Pisa U.) ; Taoso, Marco (Madrid, IFT) ; Urbano, Alfredo (CERN) ; Ventura, Sofia (INFN, Pisa ; Pisa U.)
The density of molecular gas in the central few hundreds parsecs of our Galaxy is estimated to be two orders of magnitude larger than the Galactic average. This, so called, Central Molecular Zone, represent a privileged target where to look for a signature of Galactic cosmic ray interactions. [...]
SISSA, 2018 - 8 p.
- Published in : PoS ICRC2017 (2018) 939
Fulltext: PDF; External link: PoS server
In : 35th International Cosmic Ray Conference, Busan, Republique De Coree, 12 - 20 Jul 2017, pp.939
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Electromagnetic probes of primordial black holes as dark matter
/ Kashlinsky, A. (NASA, Goddard ; SSAI, Lanham) ; Ali-Haimoud, Y. (New York U.) ; Clesse, S. (Louvain U. ; Namur U.) ; Garcia-Bellido, J. (Madrid, IFT ; CSIC, Madrid) ; Wyrzykowski, L. (Warsaw U.) ; Achucarro, A. (Leiden U.) ; Amendola, L. (Heidelberg U.) ; Annis, J. (Fermilab) ; Arbey, A. (Lyon, IPN) ; Arendt, R.G. (NASA, Goddard ; Maryland U., Baltimore County) et al.
The LIGO discoveries have rekindled suggestions that primordial black holes (BHs) may constitute part to all of the dark matter (DM) in the Universe. [...]
arXiv:1903.04424 ; FERMILAB-PUB-19-111-CD.
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2019 - 19.
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Modeling the Galactic center emission from GeV to PeV
/ Marinelli, A (INFN, Pisa ; Pisa U.) ; Gaggero, D (U. Amsterdam, GRAPPA) ; Grasso, D (INFN, Pisa ; Pisa U.) ; Taoso, M (CERN) ; Urbano, A (Madrid, IFT) ; Valli, M (INFN, Rome ; Rome U.)
The H.E.S.S. collaboration recently reported a new analysis of the gamma-ray diffuse emission from a “semi-annulus” region of 1.4 × 10−4 steradiants around Sagittarius A*. [...]
2017 - 5 p.
- Published in : EPJ Web Conf. 136 (2017) 03016
Fulltext: PDF;
In : 6th Roma International Workshop on Astroparticle Physics, Rome, Italy, 21 - 24 Jun 2016, pp.03016
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Anomalies in the gamma-ray diffuse emission of the Galaxy and implications for the interpretation of IceCube results
/ Grasso, D (INFN, Pisa ; Pisa U.) ; Gaggero, D (U. Amsterdam, GRAPPA) ; Marinelli, A (INFN, Pisa ; Pisa U.) ; Taoso, M (CERN) ; Urbano, A (Madrid, IFT) ; Valli, M (INFN, Rome ; Rome U.)
Several independent analyzes of Fermi-LAT results found evidences of an excess of $\gamma$-ray diffuse emission along the inner Galactic plane and of a related spatial dependence of the cosmic ray (CR) proton spectral index. These features are not accounted for by conventional models of CR transport. [...]
2017 - 4 p.
- Published in : EPJ Web Conf. 136 (2017) 03014
Fulltext: PDF;
In : 6th Roma International Workshop on Astroparticle Physics, Rome, Italy, 21 - 24 Jun 2016, pp.03014
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Gamma-ray and Neutrino Diffuse Emissions of the Galaxy at very High Energy
/ Grasso, D (INFN, Pisa ; Pisa U.) ; Gaggero, D (U. Amsterdam, GRAPPA) ; Marinelli, A (INFN, Pisa ; Pisa U.) ; Urbano, A (CERN) ; Valli, M (INFN, Trieste ; SISSA, Trieste)
Several independent analyzes of Fermi-LAT results found evidences of a spatial dependent cosmic ray (CR) spectral index which is not accounted for by conventional models of CR transport in the Galaxy. Moreover, several experiments have established the presence of a CR spectral hardening above few hundred GeV. [...]
2017 - 6 p.
- Published in : Nucl. Part. Phys. Proc. 291-293 (2017) 9-14
In : 10th Cosmic Ray International Seminar : New Eyes on the Universe, Ischia, Italy, 4 - 8 Jul 2016, pp.9-14
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Evidences of unconventional cosmic ray propagation in gamma-ray and neutrino astronomy
/ Grasso, Dario (INFN, Pisa ; Pisa U.) ; Gaggero, Daniele (U. Amsterdam, GRAPPA) ; Marinelli, Antonio (Pisa U. ; INFN, Pisa) ; Taoso, Marco (Madrid, Autonoma U.) ; Urbano, D (CERN) ; Valli, Mauro (INFN, Rome ; Rome U.)
Several independent analyses of Fermi-LAT results found evidences of a spatial dependence of the cosmic ray (CR) proton spectral index which is not accounted for conventional models of CR transport in the Galaxy. We show that these results may have a relevant impact on the gamma-ray and neutrino diffuse emissions of the Galaxy above the TeV. [...]
SISSA, 2017 - 5 p.
- Published in : PoS NOW2016 (2017) 055
Fulltext: PDF; External link: PoS server
In : Neutrino Oscillation Workshop 2016, Otranto (lecce), Italy, 4 - 11 Sep 2016, pp.055
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8.
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Galactic diffuse neutrino component in the astrophysical excess measured by the IceCube experiment
/ Grasso, D (INFN, Pisa ; Pisa U.) ; Gaggero, D (U. Amsterdam, GRAPPA) ; Marinelli, A (INFN, Pisa ; Pisa U.) ; Taoso, M (Madrid, Autonoma U.) ; Urbano, A (CERN)
The Galaxy is a guaranteed source of neutrinos produced by the interaction of cosmic rays (CRs) with the interstellar gas. According to conventional CR propagation models, however, this emission may be too weak to be detected even by km3-scale neutrino telescopes. [...]
2017 - 6 p.
- Published in : Nuovo Cimento C 40 (2017) 140
Fulltext: PDF;
In : 11th Workshop on Science with the New Generation of High Energy Gamma-ray Experiments, Pisa, Italy, 18 - 21 Oct 2016, pp.140
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The very high energy gamma-ray diffuse emission from the Galactic Center
/ Gaggero, Daniele (U. Amsterdam, GRAPPA) ; Grasso, Dario (INFN, Pisa ; Pisa U.) ; Marinelli, Antonio (Pisa U. ; INFN, Pisa) ; Taoso, Marco (Madrid, IFT) ; Urbano, Alfredo (CERN) ; Ventura, Sofia (INFN, Pisa ; Pisa U.)
We present a novel interpretation of the gamma-ray diffuse emission in the Galactic Center (GC) and the Central Molecular Zone (CMZ) regions. This is based on a scenario assuming a harder scaling of the diffusion coefficient with rigidity in the inner Galaxy which reproduces the radial dependence of the cosmic-ray (CR) spectral index recently inferred from Fermi-LAT. [...]
SISSA, 2018 - 5 p.
- Published in : PoS EPS-HEP2017 (2017) 014
Fulltext: PDF; External link: PoS server
In : 2017 European Physical Society Conference on High Energy Physics, Venice, Italy, 05 - 12 Jul 2017, pp.014
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10.
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Hard Cosmic Ray Sea in the Galactic Center: a consistent interpretation of H.E.S.S. and Fermi-LAT $\gamma$-ray data
/ Gaggero, Daniele (U. Amsterdam, GRAPPA) ; Grasso, Dario (INFN, Pisa ; Pisa U.) ; Marinelli, Antonio (INFN, Pisa ; Pisa U.) ; Taoso, Marco (Madrid, IFT) ; Urbano, Alfredo (CERN) ; Ventura, Sofia (INFN, Pisa ; Pisa U.)
We present a novel interpretation of the gamma-ray diffuse emission measured by H.E.S.S. in the Galactic Center (GC) region and the Galactic ridge. [...]
arXiv:1707.08473.-
SISSA, 2017-07-26 - 8 p.
- Published in : PoS ICRC2017 (2018) 739
Fulltext: PoS(ICRC2017)739 - PDF; arXiv:1707.08473 - PDF; External links: PoS; PoS server
In : 35th International Cosmic Ray Conference, Busan, Republique De Coree, 12 - 20 Jul 2017, pp.739
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