Cosmic ray processes in galactic ecosystems

ER Owen, K Wu, Y Inoue, HYK Yang, AMW Mitchell - Galaxies, 2023 - mdpi.com
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 …

Evolved Pulsar Wind Nebulae

B Olmi - Universe, 2023 - mdpi.com
Based on the expected population of core collapse supernova remnants and the huge
number of detected pulsars in the Galaxy, still representing only a fraction of the real …

Insights from LHAASO and IceCube into the origin of the Galactic diffuse teraelectronvolt–petaelectronvolt emission

K Yan, RY Liu, R Zhang, CM Li, Q Yuan, XY Wang - Nature Astronomy, 2024 - nature.com
High-energy diffuse gamma-ray and neutrino emission are expected from the Galactic
plane, generated by hadronuclear interactions between cosmic rays and the interstellar …

Evidence for particle acceleration approaching PeV energies in the W51 complex

Z Cao, F Aharonian, YX Bai, YW Bao, D Bastieri, XJ Bi… - Science Bulletin, 2024 - Elsevier
The γ-ray emission from the W51 complex is widely acknowledged to be attributed to the
interaction between the cosmic rays (CRs) accelerated by the shock of supernova remnant …

Data quality control system and long-term performance monitor of LHAASO-KM2A

Z Cao, F Aharonian, YX Bai, YW Bao, D Bastieri… - Astroparticle …, 2025 - Elsevier
The KM2A is the largest sub-array of the Large High Altitude Air Shower Observatory
(LHAASO). It consists of 5216 electromagnetic particle detectors (EDs) and 1188 muon …

A relook at the GZK neutrino-photon connection: impact of extra-galactic radio background & UHECR properties

S Chakraborty, P Mehta, P Sarmah - Journal of Cosmology and …, 2024 - iopscience.iop.org
Ultra-high energy cosmic rays (UHECRs) beyond the Greisen-Zatsepin-Kuzmin (GZK) cut-off
provide us with a unique opportunity to understand the universe at extreme energies …

Science with the ASTRI Mini-Array: From Experiment to Open Observatory

S Vercellone - Universe, 2024 - mdpi.com
Although celestial sources emitting in the few tens of GeV up to a few TeV are being
investigated by imaging atmospheric Čerenkov telescope arrays such as HESS, MAGIC …

Constraints on Ultraheavy Dark Matter Properties from Dwarf Spheroidal Galaxies with LHAASO Observations

Z Cao, F Aharonian, Q An, Axikegu, YX Bai, YW Bao… - Physical Review Letters, 2024 - APS
In this Letter we try to search for signals generated by ultraheavy dark matter at the Large
High Altitude Air Shower Observatory (LHAASO) data. We look for possible γ rays by dark …

The hunt for PeVatrons as the origin of the most energetic photons observed in the Galaxy

E de Oña Wilhelmi, R López-Coto, F Aharonian… - Nature …, 2024 - nature.com
Ultrarelativistic particles called cosmic rays permeate the Milky Way, propagating through
the turbulent Galactic magnetic fields. The mechanisms under which these particles …

[HTML][HTML] The high energy X-ray probe (HEX-P): Galactic PeVatrons, star clusters, superbubbles, microquasar jets, and gamma-ray binaries

K Mori, S Reynolds, H An, A Bamba… - Frontiers in Astronomy …, 2023 - frontiersin.org
HEX-P is a probe-class mission concept that will combine high spatial resolution X-ray
imaging (< 1 0 ″FWHM) and broad spectral coverage (0.2–80 keV) with an effective area …