Extended Data Figure 4: The spectral energy distribution of synchrotron radiation of secondary electrons produced in pp interactions. | Nature

Extended Data Figure 4: The spectral energy distribution of synchrotron radiation of secondary electrons produced in pp interactions.

From: Acceleration of petaelectronvolt protons in the Galactic Centre

Extended Data Figure 4

The spectra of protons are the same as in Extended Data Fig. 3. The magnetic field is assumed to be 100 μG. The flux of diffuse X-ray emission measured by XMM-Newton and integrated over the central molecular zone region is also shown. The horizontal error bar corresponds to the bin size.

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