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Author  |
Pinetti, E.; Vodeb, V.; Amerio, A.; Cuoco, A.; Camera, S.; Fornengo, N.; Zaharijas, G. |
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Title |
Dark matter and galaxy cross-correlations with the Cherenkov Telescope Array Observatory |
Type |
Journal Article |
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Year |
2025 |
Publication |
Physical Review D |
Abbreviated Journal |
Phys. Rev. D |
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Volume |
112 |
Issue |
12 |
Pages |
123010 - 23pp |
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Abstract |
The Cherenkov Telescope Array Observatory (CTAO) will be a ground-based Cherenkov telescope performing wide-sky surveys, ideal for anisotropy studies such as cross-correlations with tracers of the cosmic large-scale structure. Cross-correlations can shed light on high-energy 7-ray sources and potentially reveal exotic signals from particle dark matter. In this work, we investigate CTAO sensitivity to crosscorrelation signals between 7-ray emission and galaxy distributions. We find that by using dense, lowredshift catalogs like 2 MASS, and for integration times around 50 hours, this technique achieves sensitivities to both annihilating and decaying dark matter signals that are competitive with those from dwarf galaxy and cluster analyses. |
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Address |
[Pinetti, Elena] Flatiron Inst, Ctr Computat Astrophys Cosmol, New York, NY 10010 USA, Email: epinetti@flatironinstitute.org; |
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Publisher |
Amer Physical Soc |
Place of Publication |
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Language |
English |
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Original Title |
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Series Volume |
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Series Issue |
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Edition |
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ISSN |
2470-0010 |
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Notes |
WOS:001643161800005 |
Approved |
no |
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Is ISI |
yes |
International Collaboration |
yes |
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Call Number |
IFIC @ pastor @ |
Serial |
6996 |
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