The local energy production rates of GRB photons and of UHECRs

Details The local energy production rates of GRB photons and of UHECRs The local energy production rates of GRB photons and of UHECRs

2010-10-24

arxiv.org/abs/1010.5007v2

Astronomy and Astrophysics

Astrophysics

High Energy Astrophysical Phenomena

1 page

Scientific paper

In a recent analysis it was found that the local (z=0) rate at which gamma-ray bursts (GRBs) produce energy in 1 MeV photons, Q_GRB(z=0), is 300 times lower than the local energy production rate in ultra-high energy cosmic-rays. This may appear to be in contradiction with earlier results, according to which Q_GRB(z=0) is similar to the local energy production rate in >10^{19} eV cosmic-rays, Q_{10EeV}(z=0). This short (1 page) note identifies the origin of the apparent discrepancy and shows that Q_GRB(z=0) \sim Q_{10EeV}(z=0) holds.

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