Back to the Abstract

	1 Introduction
	2 Summary
	3 The electron spectrum
	4 Evidence for an injection bend
	5 The cumulation factor
	6 The attenuation factor
	7 The illumination and limb-darkening factor
	8 Broad band spectra: Radio and optical results
	9 SN1998bw and GRB 980425
	10 The normalization of afterglows
	11 The parameters of the CB model
	12 Hyperluminal CBs and radio scintillations
	13 Conclusions
	Appendix A: The slowdown of a CB
	Appendix B: The synchrotron cooling break
	Appendix C: Photoionization and recombination in the CB
	Appendix D: Synchrotron and Bremsstrahlung self absorption
	Appendix E: Emission of self absorbed radiations
	References
	Online Material