IRFDOC_PROTON_SPECTRUM

ctao_cr_spectra.definitions.IRFDOC_PROTON_SPECTRUM = PowerLaw(9.8e-06 1 / (TeV s sr cm2) * (E / 1.0 TeV)**-2.62)

Proton spectrum definition defined in the CTA Prod3b IRF Document

From “Description of CTA Instrument Response Functions (Production 3b Simulation)”, section 4.3.1 https://gitlab.cta-observatory.org/cta-consortium/aswg/documentation/internal_reports/irfs-reports/prod3b-irf-description