activity
20242026
most citedUltrahigh-Energy Gamma-ray Emission Associated with Black Hole-Jet Systems

9 citations · 30 across the 15 of their papers we have counts for

collaborators

15 papers

astro-ph.HE2026

Resolving diffusion signatures in distant pulsar halos with current and future experiments

Yong-Jian Wei, En-Sheng Chen, Kun Fang +1

Pulsar halos provide a unique probe of cosmic-ray propagation in the vicinity of pulsars and have important implications for our understanding of particle diffusion in the interste…

astro-ph.HE2026

Nonlinear diffusive shock acceleration with upstream escape reproduces DAMPE observations

Han-Xiang Hu, Xing-Jian Lv, Xiao-Jun Bi +3

We develop a self-consistent nonlinear extension of diffusive shock acceleration that incorporates cosmic ray (CR) backreaction on the shock precursor together with a physically mo…

astro-ph.HE2025★ 2 cited

Observations of the Fermi bubbles and the Galactic center excess with the DArk Matter Particle Explorer

F. Alemanno, Q. An, P. Azzarello +145

The DArk Matter Particle Explorer (DAMPE) is a space-borne high-energy particle detector that surveys the -ray sky above with a peak acceptance of $\sim 0.2~\rm…

astro-ph.HE2025★ 6 cited

Charge-dependent spectral softenings of primary cosmic-rays below the knee

DAMPE Collaboration, Francesca Alemanno, Qi An +146

In most particle acceleration or propagation theories, the characteristic features of the cosmic ray spectra due to acceleration limits or propagation phase changes are charge depe…

astro-ph.HE2025

LHAASO Detection of Ultra-High-Energy Gamma-Ray Emission toward the Giant Molecular Clouds

Zhen Cao, F. Aharonian, Y. X. Bai +310

The -ray from Giant molecular clouds (GMCs) is regarded as the most ideal tool to perform in-situ measurement of cosmic ray (CR) density and spectra in our Galaxy. We report the…

astro-ph.HE2025

A Giant Peanut-shaped Ultra-High-Energy Gamma-Ray Emitter Off the Galactic Plane

Zhen Cao, Felix Aharonian, Yunxiang Bai +312

Ultra-high-energy (UHE), exceeding 100 TeV (10^12 electronvolts), γ-rays manifests extreme particle acceleration in astrophysical sources. Recent observations by γ-ray telescopes,…

astro-ph.HE2025

Uncertainty in Hadronic Diffuse -Ray Emission from the Temporal Stochasticity of Cosmic-Ray Sources

Xing-Jian Lv, Xiao-Jun Bi, Kun Fang +3

Diffuse -ray emission is a key probe of cosmic rays (CRs) distribution within the Galaxy. However, the discrepancies between observations and theoretical model expectations high…

astro-ph.HE2025

Unified Solar Modulation Potential for Same-Charge Cosmic Rays and Implications for Local Interstellar Spectra

Meng-Jie Zhao, Xing-Jian Lv, Xiao-Jun Bi +2

The energy spectra of cosmic rays (CRs) below tens of GeV are significantly modulated by solar activity within the heliosphere. To investigate the properties of Galactic CRs, it is…

astro-ph.HE2025

Prediction of lithium isotope fluxes using data-driven production cross sections

Meng-Jie Zhao, Xiao-Jun Bi, Kun Fang +2

Galactic cosmic rays (CRs) generally share common propagation features, leading to consistent spectral observations of secondary nuclei such as Li, Be, and B. However, the Li spect…

astro-ph.HE2025

Deciphering the spectral bumps of Galactic cosmic rays through gamma-ray observations of nearby molecular clouds

Xing-Jian Lv, Xiao-Jun Bi, Kun Fang +2

The observed spectral bump in cosmic-ray (CR) proton and helium spectra, along with the phase and amplitude evolution of CR dipole anisotropy, provide plausible yet indirect eviden…

astro-ph.HE2024★ 5 cited

A rigorous solution to the superluminal issue in the diffusion equation

Xing-Jian Lv, Xiao-Jun Bi, Kun Fang +2

Superluminal propagation is an intrinsic problem in the diffusion equation and has not been effectively addressed for a long time. In this work, a rigorous solution to this issue i…

astro-ph.HE2024★ 9 cited

Ultrahigh-Energy Gamma-ray Emission Associated with Black Hole-Jet Systems

The LHAASO Collaboration, Zhen Cao, Felix Aharonian +315

Black holes (BH), one of the most intriguing objects in the universe, can manifest themselves through electromagnetic radiation initiated by the accretion flow. Some stellar-mass B…

astro-ph.HE2024

Constraining anisotropic diffusion between Geminga and Earth with the cosmic-ray electron and positron spectrum

Junji Xia, Xiaojun Bi, Kun Fang +1

The gamma-ray halo surrounding Geminga suggests a notable reduction in cosmic-ray diffusion. One potential explanation for this phenomenon is the projection effect of slow diffusio…

astro-ph.HE2024★ 2 cited

Cosmic-ray deuteron excess from a primary component

Xing-Jian Lv, Xiao-Jun Bi, Kun Fang +2

The recent AMS-02 measurements of cosmic-ray (CR) deuteron fluxes suggest the presence of primary deuterons in quantities far exceeding predictions from Big Bang nucleosynthesis. T…

astro-ph.HE2024★ 6 cited

A New Perspective on the Diffuse Gamma-Ray Emission Excess

Ensheng Chen, Kun Fang, Xiaojun Bi

The Large High-Altitude Air Shower Observatory (LHAASO) recently published measurements of diffuse Galactic gamma-ray emission (DGE) in the 10-1000 TeV energy range. The measured D…