ATTENZIONE!!! IL SISTEMA E' UTILIZZABILE ESCLUSIVAMENTE IN MODALITA' "CONSULTAZIONE". CAUSA PROBLEMI TECNICI, SI PREGA DI NON EFFETTUARE L'AUTENTICAZIONE, FINO A NUOVA COMUNICAZIONE. GRAZIE
 

Progress in unveiling extreme particle acceleration in persistent astrophysical jets

Journal
Date Issued
2020
Author(s)
Biteau, J.
•
•
Costamante, L.
•
Lemoine, M.
•
Padovani, P.
•
Pueschel, E.
•
Resconi, E.
•
•
Taylor, A.
•
Zech, A.
DOI
Abstract
The most powerful persistent accelerators in the Universe are jetted active galaxies. Blazars, galaxies whose jets are directed towards Earth, dominate the extragalactic γ-ray sky. Still, most of the highest-energy particle accelerators probably elude detection. These extreme blazars, whose radiated energy can peak beyond 10 TeV, are ideal targets to study particle acceleration and radiative processes, and may provide links to cosmic rays and astrophysical neutrinos. The growing number of extreme blazars observed at teraelectronvolt energies has been critical for the emergence of γ-ray cosmology, including measurements of the extragalactic background light, tight bounds on the intergalactic magnetic field, and constraints on exotic physics at energies inaccessible with human-made accelerators. Tremendous progress has been achieved over the past decade, which bodes well for the future, particularly with the deployment of the Cherenkov Telescope Array.
Volume
4
Issue
2
Start page
124
Uri
Url
Issn Identifier
2397-3366
Ads BibCode
2020NatAs...4..124B
Rights
open.access
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