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PANDA TAG Tracking

Minutes for 13th of June:

Top 1: Tracking Requirements
Benchmark Channels:
The choice of the tracking benchmark channels have been re-discussed and adjusted to accomplish our needs. In particular it has been decided that
  • pbar p -> D D -> K pi pi will be replaced by pbar p -> D* D* -> K pi pi , note that K can either be K+,K- or K0 to ensure the best tracking and vertexing performance for all kind of kaons. Furthermore the decay channels D* -> slow pions must be considered to check the possibilities for low momentum particle tracking.
  • pbar A -> J/Psi -> mu mu X will be replaced by pbar A -> J/Psi -> l l X to consider the tracking of electrons as well.

It is clear that for a meanigful assessment a lot of statistic is needed. Therefore the technical problems of the MC generators for signal and background processes should not be underestimated and must be addressed soon. In addition the questions whether the generators for pbar-nucleus reaction are adequate for our needs was mentioned but not answered. Both topics are slightley beyond the scope of this TAG because our task is to give recommendations which questions has to answered by the different tracking sub-detetcors to reach an optiaml PANDA tracking system. But of course the feasibility of the proposed simulation studies must assured and therefore a re-assessment of the benchmark channels might be neccessary.

The problem of a significant physics channel to evaluate the impact of the iron plate in the Forward Spectrometer was shortly discussed. Although no adequate channel could be identified it was stressed that this question is very important and the discussion should be again brought up to a wider audience.

-- FabianHuegging - 04 Jul 2006
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Topic revision: r2 - 04 Jul 2006, FabianHuegging
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