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astro-ph.HE2026
Identification of a Large-Scale Diffuse Gamma-Ray Structure in the Southern Galactic Hemisphere
Zhen Xie, Xiaoyuan Huang, Bing Liu +1
We identify and characterize a large-scale diffuse gamma-ray structure in the Southern Galactic Hemisphere using 17 yr of Fermi-LAT data. An energy-dependent likelihood analysis, i…
astro-ph.HE2026
Astrophysical origins of TeV features in the cosmic-ray lepton spectrum
Zhen Xie, Ruizhi Yang
Precise measurements of high-energy cosmic-ray electrons and positrons have revealed spectral structures that are difficult to capture with a single smooth power-law background. Th…