From: Kris Hagel (hagel@comp.tamu.edu)
Date: Mon Oct 06 2003 - 10:42:04 EDT
Hello, This is to let you know that I have introduced a new option in BrFfsTrackingModule (SetUseTrackBeamVtx) which allows to calculate the track angles from the track directly instead of using the BB vertex-D1 entrance. This change allows a rudimentary vertex to be calculated when the BB is not present (ie 85% of events in p+p) The intention is to have the default behavior to be the same as before. I hope I succeeded. If not please let me know. I have only tested on p+p where the option on works and not the option off on Au+Au where you lucky guys always have a BB vertex. The changes are committed to the repository and the brat version has been bumped to 2.11.4 Kris
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