161 citations · 670 across the 18 of their papers we have counts for
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Consequences of the gamma-gamma attenuation in GRBs: a detailed study
R. Hascoët, F. Daigne, R. Mochkovitch +1
Recent detections of GeV photons in a few GRBs by Fermi-LAT have led to strong constraints on the bulk Lorentz factor in GRB outflows. To avoid a large gamma-gamma optical depth, m…
Was the "naked burst" GRB 050421 really naked ?
R. Hascoët, Z. L. Uhm, R. Mochkovitch +1
A few long gamma-ray bursts such as GRB 050421 show no afterglow emission beyond the usual initial steep decay phase. It has been suggested that these events correspond to "naked"…
Do Fermi-LAT observations imply very large Lorentz factors in GRB outflows ?
R. Hascoët, F. Daigne, R. Mochkovitch +1
Recent detections of GeV photons in a few GRBs by Fermi-LAT imply huge bulk Lorentz factors to avoid a large gamma gamma optical depth at high energy. Estimates can be as high as G…
A detailed spectral study of GRB 041219A and its host galaxy
D. Gotz, S. Covino, R. Hascoet +4
GRB 041219A is one of the longest and brightest gamma-ray bursts (GRBs) ever observed. It was discovered by the INTEGRAL satellite, and thanks to a precursor happening about 300 s…
Do Fermi-LAT observations really imply very large Lorentz factors in GRB outflows ?
R. Hascoët, V. Vennin, F. Daigne +1
Recent detections of GeV photons in a few GRBs by Fermi-LAT have led to strong constraints on the bulk Lorentz factor in GRB outflows. To avoid a large gamma gamma optical depth, m…
Origin of the bright prompt optical emission in the naked eye burst
R. Hascoët, F. Daigne, R. Mochkovitch
The huge optical brightness of GRB 080319B (the "Naked Eye Burst) makes this event really challenging for models of the prompt GRB emission. In the framework of the internal shock…