The physics of star can be divided into several topics, with many overlaps between topics. In STAR, each of these topics is explored within a physics working group which develops the analysis techniques and software needed to focus on its interests.

Event by event pwg Convenors: Subhasis Chattopadhyay, Aihong Tang Links: Event by event www page Event by event protected area	Event structure pwg Convenors: Lanny Ray   Links: Event structure www page Event structure protected area
HBT pwg Convenors: Adam Kisiel, Mike Lisa Links: HBT www page HBT protected area	Heavy flavor pwg Convenors: Manuel Calderon, Alexandre Alarcon Suaide Links: Heavy flavor protected area
High-pT pwg Convenors: Jana Bielcikova, Marco van Leeuwen Links: High-pT protected area	Peripheral collisions pwg Convenors: Yury Gorbunov, Janet Seger Links: Peripheral collisions www page Peripheral collisions protected area
Spectra pwg Convenors: Olga Barannikova, Bedanga Mohanty Links: Spectra protected area	Spin pwg Convenors: James Sowinski, Bernd Surrow Links: Spin www page Spin protected area
Strangeness pwg Convenors: Lee Barnby, Jun Takahashi Links: Strangeness www page Strangeness protected area