DF Definitions of Tracking Elements

Below are definitions of the structures used in the clas12 dc reconstructions.

Hits

Hit.java

The basic building block of the other structures used in the reconstruction, Hits are simply a representation of a drift chamber wire interaction. It stores all of the relevant information for identifying a wire:

• Sector:
• Superlayer
• Layer
• Wire

It alos stores some information regarding the interaction itself:

• TDC
• Id
• cellSize
• DocaErr

FittedHit.java

A	B
C	D