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Refreshed Shocks and Afterglow Longevity in GRB
M. J. Rees, P. Meszaros
We consider fireball models where the ejecta have a range of bulk Lorentz factors, so that the inner (lower ) parts may carry most of the mass, or even most of the energy. The o…
Theoretical Models of Gamma-Ray Bursts
P. Meszaros
Models of gamma ray bursts are reviewed in the light of recent observations of afterglows which point towards a cosmological origin. The physics of fireball shock models is discuss…
Radiative Regimes in Gamma-Ray Bursts and Afterglows
A. Panaitescu, P. Meszaros
We present numerical simulations of Gamma-Ray Bursts arising from external shocks in the impulsive and wind models, including a weak or a strong coupling between electrons and prot…
Rings in Fireball Afterglows
A. Panaitescu, P. Meszaros
We derive the equation for the surface of equal arrival times of radiation from a thin relativistic shell interacting with an external medium, representing the afterglow of a gamma…
A Principal Component Analysis of the 3B Gamma-Ray Burst Data
Z. Bagoly, A. Meszaros, I. Horvath +2
We have carried out a principal component analysis for 625 gamma-ray bursts in the BATSE 3B catalog for which non-zero values exist for the nine measured variables. This shows that…