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``Track'' attributes.

These quantities are defined for all ALPHA ``tracks'' (e.g., charged tracks, cal. objects, MC truth, etc.) ``I'' always refers to the ALPHA ``track'' number.

Subsections

Basic attributes
V0 Mass
Track error covariance matrix
Distance to the beam position:
Stability code
Test a particle's name
Test if particles are based on the same object
Flags, pointers, etc.

Joel Closier
2000-02-07