Evidence item

The Nature Astronomy study reports LHAASO’s 4.5-year stacked detection of very-high-energy gamma rays from five nearby giant molecular clouds, with 1–100 TeV spectra consistent with cosmic-ray interactions with interstellar matter. DIRECT_TEXT

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Source: LHAASO detection of ultrahigh-energy γ-ray emission towards giant molecular clouds · locator {} · excerpt hash sha256:62275b45a09c44978fb055246b33f4b9019e73cfa1985280d7272d9656763aaf

Here we report a detection of very-high-energy γ-ray emission from five nearby GMCs using a stacking analysis of 4.5 years of observations with the Large High Altitude Air Shower Observatory (LHAASO). The spectral energy distributions derived for the GMCs are consistent with the expected γ-ray flux produced via CRs interacting with the interstellar medium over 1–100 TeV.