The LHAASO PeVatron bright sky: What we learned
M Cardillo, A Giuliani - Applied Sciences, 2023 - mdpi.com
The recent detection of 12 γ-ray galactic sources well above E> 100 TeV by the LHAASO
observatory has been a breakthrough in the context of the search for the origin of cosmic …
observatory has been a breakthrough in the context of the search for the origin of cosmic …
Cosmic ray processes in galactic ecosystems
Galaxy evolution is an important topic, and our physical understanding must be complete to
establish a correct picture. This includes a thorough treatment of feedback. The effects of …
establish a correct picture. This includes a thorough treatment of feedback. The effects of …
Massive star cluster origin for the galactic cosmic ray population at very-high energies
T Vieu, B Reville - Monthly Notices of the Royal Astronomical …, 2023 - academic.oup.com
We demonstrate that supernova remnant (SNR) shocks embedded within massive star
clusters can reproduce both the cosmic-ray proton and all-particle spectra measured in the …
clusters can reproduce both the cosmic-ray proton and all-particle spectra measured in the …
Galactic diffuse neutrino emission from sources beyond the discovery horizon
The IceCube Neutrino Observatory has recently reported strong evidence for neutrino
emission from the Galactic plane. The signal is consistent with model predictions of diffuse …
emission from the Galactic plane. The signal is consistent with model predictions of diffuse …
The contribution of winds from star clusters to the Galactic cosmic-ray population
Cosmic rays (CR) are energetic nuclei that permeate the entire Galactic disk. Their existence
requires the presence of powerful particle accelerators. While Galactic supernova …
requires the presence of powerful particle accelerators. While Galactic supernova …
Detection of extended γ-ray emission around the Geminga pulsar with HESS
Geminga is an enigmatic radio-quiet γ-ray pulsar located at a mere 250 pc distance from
Earth. Extended very-high-energy γ-ray emission around the pulsar was discovered by …
Earth. Extended very-high-energy γ-ray emission around the pulsar was discovered by …
Observation of the Galactic Center PeVatron beyond 100 TeV with HAWC
A Albert, R Alfaro, C Alvarez, A Andrés… - The Astrophysical …, 2024 - iopscience.iop.org
We report an observation of ultrahigh-energy (UHE) gamma rays from the Galactic center
(GC) region, using 7 yr of data collected by the High-Altitude Water Cherenkov (HAWC) …
(GC) region, using 7 yr of data collected by the High-Altitude Water Cherenkov (HAWC) …
Understanding the TeV γ-ray emission surrounding the young massive star cluster Westerlund 1
LK Härer, B Reville, J Hinton, L Mohrmann… - Astronomy & …, 2023 - aanda.org
Context. Young massive star clusters (YMCs) have increasingly become the focus of
discussions on the origin of galactic cosmic rays (CRs). The proposition that CRs are …
discussions on the origin of galactic cosmic rays (CRs). The proposition that CRs are …
The hunt for PeVatrons as the origin of the most energetic photons observed in the Galaxy
Ultrarelativistic particles called cosmic rays permeate the Milky Way, propagating through
the turbulent Galactic magnetic fields. The mechanisms under which these particles …
the turbulent Galactic magnetic fields. The mechanisms under which these particles …
X-ray emission from Westerlund 2 detected by SRG/ART-XC and Chandra: search for radiation of TeV leptons
AM Bykov, YA Uvarov, ME Kalyashova… - Monthly Notices of …, 2023 - academic.oup.com
We present the results of current observations of the young compact cluster of massive stars
Westerlund 2 (Wd2) with the Mikhail Pavlinsky ART-XC telescope aboard the Spectrum …
Westerlund 2 (Wd2) with the Mikhail Pavlinsky ART-XC telescope aboard the Spectrum …