Afterglow Physics: Relativistic Fireball

GRB-Supernova Connection

• GRB 980326 and SN 1998bw
• GRB 030329 and SN 2003dh; other spectra here
• GRB 021211 and SN 2002lt

Central Engine Physics

• long-soft bursts
  • hypernovae
  • collapsars
• short-hard bursts:
  • compact object mergers--neutron stars, black holes; movie: Illinois relativity group
  • collapsars; movie: Illinois relativity group

Beyond the Iron Peak

Neutron Capture Processes

• solar system abundances
• s-process
• r-process
• neutron capture cross sections
• paths on the chart of the nuclides