Molecular and atomic gas at velocities near -32 and -55 km/s shows spatial correspondence with the TeV gamma-ray shell around Westerlund 1, supporting hadronic cosmic-ray production with total proton energy approximately 6 x 10^49 erg.
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Numerical modeling of time-dependent cosmic-ray advection and diffusion in spherically symmetric wind bubbles shows escaping spectra harder than E^{-2} during the wind-driven phase, with low-energy suppression depending on the turbulence model.
citing papers explorer
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Discovery of Molecular and Atomic Gas associated with HESS J1646-458 (Westerlund 1): Spatial TeV Gamma-Ray and Interstellar Proton Correspondence
Molecular and atomic gas at velocities near -32 and -55 km/s shows spatial correspondence with the TeV gamma-ray shell around Westerlund 1, supporting hadronic cosmic-ray production with total proton energy approximately 6 x 10^49 erg.
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Time-dependent cosmic-ray escape from wind bubbles: hard spectra formation
Numerical modeling of time-dependent cosmic-ray advection and diffusion in spherically symmetric wind bubbles shows escaping spectra harder than E^{-2} during the wind-driven phase, with low-energy suppression depending on the turbulence model.