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Fig. 9

image

Contribution of primary and secondary isotopes to neutrino production for the injection of pure 56Fe. The panels show the total all-flavor neutrino fluence per shell of a GRB as a function of the energy in the observer’s frame. Different luminosities (panels) correspond to the examples for the prototypes in Sect. 3. The different curves show the contribution of the photo-meson production off the primary (56 Fe) and secondary isotopes produced in the photodisintegration, where the contribution from protons and neutrons is separated.

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