Progress in unveiling extreme particle acceleration in persistent astrophysical jets
J Biteau, E Prandini, L Costamante, M Lemoine… - Nature …, 2020 - nature.com
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 …
galaxies whose jets are directed towards Earth, dominate the extragalactic γ-ray sky. Still …
Axion-like particles implications for high-energy astrophysics
G Galanti, M Roncadelli - Universe, 2022 - mdpi.com
We offer a pedagogical introduction to axion-like particles (ALPs) as far as their relevance
for high-energy astrophysics is concerned, from a few MeV to 1000 TeV. This review is self …
for high-energy astrophysics is concerned, from a few MeV to 1000 TeV. This review is self …
The blazar TXS 0506+ 056 associated with a high-energy neutrino: insights into extragalactic jets and cosmic-ray acceleration
S Ansoldi, LA Antonelli, C Arcaro… - The Astrophysical …, 2018 - iopscience.iop.org
A neutrino with energy∼ 290 TeV, IceCube-170922A, was detected in coincidence with the
BL Lac object TXS 0506+ 056 during enhanced gamma-ray activity, with chance …
BL Lac object TXS 0506+ 056 during enhanced gamma-ray activity, with chance …
A hadronic origin for ultra-high-frequency-peaked BL Lac objects
M Cerruti, A Zech, C Boisson… - Monthly Notices of the …, 2015 - academic.oup.com
Current Cherenkov telescopes have identified a population of ultra-high-frequency peaked
BL Lac objects (UHBLs), also known as extreme blazars, that exhibit exceptionally hard TeV …
BL Lac objects (UHBLs), also known as extreme blazars, that exhibit exceptionally hard TeV …
The transition between BL Lac objects and flat spectrum radio quasars
We study the BL Lac objects detected in the 1-year all-sky survey of the Fermi satellite, with
an energy spectral slope αγ in the 0.1–100 GeV band greater than 1.2. In the αγ versus γ-ray …
an energy spectral slope αγ in the 0.1–100 GeV band greater than 1.2. In the αγ versus γ-ray …
The imprint of the extragalactic background light in the gamma-ray spectra of blazars
The light emitted by stars and accreting compact objects through the history of the universe
is encoded in the intensity of the extragalactic background light (EBL). Knowledge of the …
is encoded in the intensity of the extragalactic background light (EBL). Knowledge of the …
Multi-epoch modeling of TXS 0506+ 056 and implications for long-term high-energy neutrino emission
The IceCube report of as~ 3.5 excess of 13± 5 neutrino events in the direction of the
blazar TXS 0506+ 056 in 2014–2015 and the 2017 detection of a high-energy neutrino …
blazar TXS 0506+ 056 in 2014–2015 and the 2017 detection of a high-energy neutrino …
Time delay of cascade radiation for TeV blazars and the measurement of the intergalactic magnetic field
Recent claims that the strength B IGMF of the intergalactic magnetic field (IGMF) is≳ 10− 15
G are based on upper limits to the expected cascade flux in the GeV band produced by …
G are based on upper limits to the expected cascade flux in the GeV band produced by …
Blazars as ultra-high-energy cosmic-ray sources: implications for TeV gamma-ray observations
The spectra of BL Lac objects and Fanaroff–Riley I radio galaxies are commonly explained
by the one-zone leptonic synchrotron self-Compton (SSC) model. Spectral modeling of …
by the one-zone leptonic synchrotron self-Compton (SSC) model. Spectral modeling of …
[HTML][HTML] Science with e-ASTROGAM: A space mission for MeV–GeV gamma-ray astrophysics
A De Angelis, V Tatischeff, IA Grenier, J McEnery… - Journal of High Energy …, 2018 - Elsevier
Abstract e-ASTROGAM ('enhanced ASTROGAM') is a breakthrough Observatory space
mission, with a detector composed by a Silicon tracker, a calorimeter, and an …
mission, with a detector composed by a Silicon tracker, a calorimeter, and an …