Basic Principles of TPCs and GEMs.

Figure 1: Reconstructed tracks in a TPC in a simulation of a ttbar event in the ILD detector (click on image to see larger version).

Here you can find short introductions into the basic working principles of:
Time Projection Chambers (TPCs) and
Gas Electron Multipliers (GEMs),
which are the main topics of the research and development done in our group.