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Title:
Testing cosmology and fundamental physics with the Cherenkov Telescope Array
Authors:
ID
Martínez-Huerta, H.
(Author)
ID
Eckner, Christopher
(Author)
ID
Kukec Mezek, Gašper
(Author)
ID
Stanič, Samo
(Author)
ID
Vorobiov, Serguei
(Author)
ID
Yang, Lili
(Author)
ID
Zaharijas, Gabrijela
(Author)
ID
Zavrtanik, Danilo
(Author)
ID
Zavrtanik, Marko
(Author)
ID
Zehrer, Lukas
(Author), et al.
Files:
ICRC2019_739.pdf
(739,83 KB)
MD5: AC378468617DFC36A1B18C9AA58A5FCC
https://pos.sissa.it/358/739/pdf
https://pos.sissa.it/358/
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Language:
English
Work type:
Unknown
Typology:
1.08 - Published Scientific Conference Contribution
Organization:
UNG - University of Nova Gorica
Abstract:
The Cherenkov Telescope Array (CTA) is the next generation ground-based observatory for γ-ray astronomy at energies above 30 GeV. Thanks to its unique capabilities, CTA observations will address a plethora of open questions in astrophysics, ranging from the origin of cosmic messengers to the exploration of the frontiers of physics. In this note, we present a comprehensive sensitivity study to assess the potential of CTA to measure the γ-ray absorption on the extragalactic background light (EBL), to constrain or detect intergalactic magnetic fields (IGMFs), and probe physics beyond the standard model such as axion-like particles (ALPs) and Lorentz invariance violation (LIV), which could modify the γ-ray spectra features expected from EBL absorption. Our results suggest that CTA will have unprecedented sensitivity to detect IGMF signatures and will probe so-far unexplored regions of the LIV and ALP parameter space. Furthermore, an indirect measurement of the EBL and of its evolution will be performed with unrivaled precision.
Keywords:
very-high-energy gamma rays
,
the Cherenkov Telescope Array (CTA) Observatory
,
extragalactic background light (EBL)
,
intergalactic magnetic fields (IGMFs)
,
axion-like particles (ALPs)
,
Lorentz invariance violation (LIV)
Publication status:
Published
Publication version:
Version of Record
Publication date:
01.01.2019
Year of publishing:
2019
Number of pages:
8 str.
PID:
20.500.12556/RUNG-9459
COBISS.SI-ID:
214115075
UDC:
539.1
ISSN on article:
1824-8039
DOI:
10.22323/1.358.0739
NUK URN:
URN:SI:UNG:REP:CRPONXN0
Publication date in RUNG:
07.11.2024
Views:
258
Downloads:
4
Metadata:
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Record is a part of a proceedings
Title:
36th International Cosmic Ray Conference [also] ICRC2019, Madison, WI, U. S. A., July 24th-August 1st, 2019
COBISS.SI-ID:
5444091
Record is a part of a journal
Title:
Proceedings of science
Shortened title:
Pos proc. sci.
Publisher:
Sissa
ISSN:
1824-8039
COBISS.SI-ID:
20239655
Document is financed by a project
Funder:
ARIS - Slovenian Research and Innovation Agency
Funding programme:
Raziskovalni program
Project number:
P1-0031
Name:
Večglasniška astrofizika
Licences
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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