Potential Dark Matter Signals at Neutrino Telescopes
Recent analyses of the diffuse TeV-PeV neutrino flux highlight a tension between different Ice-Cube data samples that strongly suggests a two-component scenario rather than a single steep power-law flux. Such a tension is further strengthened once the latest ANTARES data are also taken into account....
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27-07-2019
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| Abstract | Recent analyses of the diffuse TeV-PeV neutrino flux highlight a tension
between different Ice-Cube data samples that strongly suggests a two-component
scenario rather than a single steep power-law flux. Such a tension is further
strengthened once the latest ANTARES data are also taken into account.
Remarkably, both experiments show an excess in the same energy range (40-200
TeV), whose origin could intriguingly be related to dark matter. In this paper,
I discuss the combined analysis of IceCube and ANTARES data, highlighting the
presence of the low-energy excess. Moreover, I update the results of the
angular analysis for potential dark matter signals, previously obtained with
the 4-year High-Energy Starting Events data. In particular, I statistically
compare the distribution of the arrival directions of 6-year IceCube events
belonging to the low-energy excess with the angular distributions expected in
case of different dark matter neutrino signals. |
|---|---|
| AbstractList | Recent analyses of the diffuse TeV-PeV neutrino flux highlight a tension
between different Ice-Cube data samples that strongly suggests a two-component
scenario rather than a single steep power-law flux. Such a tension is further
strengthened once the latest ANTARES data are also taken into account.
Remarkably, both experiments show an excess in the same energy range (40-200
TeV), whose origin could intriguingly be related to dark matter. In this paper,
I discuss the combined analysis of IceCube and ANTARES data, highlighting the
presence of the low-energy excess. Moreover, I update the results of the
angular analysis for potential dark matter signals, previously obtained with
the 4-year High-Energy Starting Events data. In particular, I statistically
compare the distribution of the arrival directions of 6-year IceCube events
belonging to the low-energy excess with the angular distributions expected in
case of different dark matter neutrino signals. |
| Author | Chianese, Marco |
| Author_xml | – sequence: 1 givenname: Marco surname: Chianese fullname: Chianese, Marco |
| BackLink | https://doi.org/10.48550/arXiv.1907.11926$$DView paper in arXiv |
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| Snippet | Recent analyses of the diffuse TeV-PeV neutrino flux highlight a tension
between different Ice-Cube data samples that strongly suggests a two-component... |
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| SubjectTerms | Physics - High Energy Physics - Phenomenology |
| Title | Potential Dark Matter Signals at Neutrino Telescopes |
| URI | https://arxiv.org/abs/1907.11926 |
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