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Title:Sensitivity of the Cherenkov Telescope Array to a dark matter signal from the Galactic centre
Authors:ID Eckner, Christopher (Author)
ID Bhattacharyya, Saptashwa (Author)
ID MARČUN, Barbara (Author)
ID Pérez Romero, Judit (Author)
ID Stanič, Samo (Author)
ID Vodeb, Veronika (Author)
ID Vorobiov, Serguei (Author)
ID Zaharijas, Gabrijela (Author)
ID Zavrtanik, Marko (Author)
ID Zavrtanik, Danilo (Author)
ID Živec, Miha (Author), et al.
Files:.pdf ICRC2021_547.pdf (2,47 MB)
MD5: 3612E7631E2AE49FBA1E9E456657F300
 
URL https://pos.sissa.it/395/
 
URL https://pos.sissa.it/395/547/pdf
 
Language:English
Work type:Not categorized
Typology:1.08 - Published Scientific Conference Contribution
Organization:UNG - University of Nova Gorica
Abstract:High-energy gamma rays are promising tools to constrain or reveal the nature of dark matter, in particular Weakly Interacting Massive Particles. Being well into its pre-construction phase, the Cherenkov Telescope Array (CTA) will soon probe the sky in the 20 GeV - 300 TeV energy range. Thanks to its improved energy and angular resolutions as well as significantly larger e˙ective area when compared to the current generation of Cherenkov telescopes, CTA is expected to probe heavier dark matter, with unprecedented sensitivity, reaching the thermal annihilation cross-section at 1 TeV. This talk will summarise the planned dark matter search strategies with CTA, focusing on the signal from the Galactic centre. As observed with the Fermi LAT at lower energies, this region is rather complex and CTA will be the first ground-based observatory sensitive to the large scale di˙use astrophysical emission from that region. We report on the collaboration e˙ort to study the impact of such extended astrophysical backgrounds on the dark matter search, based on Fermi-LAT data in order to guide our observational strategies, taking into account various sources of systematic uncertainty.
Keywords:high-energy gamma rays, Cherenkov Telescope Array, dark matter, galactic centre
Publication status:Published
Year of publishing:2021
PID:20.500.12556/RUNG-8419 New window
COBISS.SI-ID:164768515 New window
NUK URN:URN:SI:UNG:REP:ZPMCEWRG
Publication date in RUNG:18.09.2023
Views:629
Downloads:8
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Record is a part of a monograph

Title:37th International Cosmic Ray Conference : ICRC2021
Place of publishing:Trst, Italija
Year of publishing:2021

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License:CC BY-NC-ND 4.0, Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International
Link:http://creativecommons.org/licenses/by-nc-nd/4.0/
Description:The most restrictive Creative Commons license. This only allows people to download and share the work for no commercial gain and for no other purposes.

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