1. Development of the Partical IDentification in the PANDA – Experiment Report in the Technical Board Georg Schepers for the PID TAG PANDA – meeting 18. September 2007 Georg Schepers GSI

2. Georg Schepers PANDA @ FAIR Development of a PID-Concept - Physics - Studies of Kinematics - Properties of Detectors Efficiency - Global PID-Analysis Conclusion and Outlook GSI PID @ PANDA – – PANDA – meeting 18. September 2007

3. TAG-PID Georg Schepers pp- and pA-annihilation GSI PANDA @ FAIR wide range of momentum - p momentum: 1.5-15 GeV/c - mass range: 0-6 GeV/c highest intensity - event rate 2 x 10 /s - up to 10 reaction products rich physics program 7 2 PANDA – meeting 18. September 2007

4. Georg Schepers GSI PANDA @ FAIR Target-Spectrometer Forward- Spectrometer p Target – PANDA – meeting 18. September 2007

5. Georg Schepers GSI Kinematics of the Decay Channels 2.0 GeV/c Target-Spectrometer Forward-Spectrometer PANDA – meeting 18. September 2007

6. Georg Schepers GSI Kinematics of the Decay Channels 2.0 GeV/c15.0 GeV/c Target-Spectrometer Forward-Spectrometer PANDA – meeting 18. September 2007

10. PANDA Meeting @ GSI 13. December 2006 TAG-PID Georg Schepers GSI Physics at PANDA Now actual input from the Physics Book analizers! (Marc Pelizaeus, Bertram Kopf)

11. Georg Schepers GSI PHYSIK @ PANDA PANDA – meeting 18. September 2007

12. Georg Schepers TPC Parametrisierung dE/dx GSI Teilchentrennung N = 2 I 1 – I 2 (I 2 ) dE/dx PANDA – meeting 18. September 2007

13. Georg Schepers GSI DIRC Parametrization pθ θ θ p p p θ p N m 1 2 – m 2 2 2 p 2 track n 2 -1 Ref.: PDG Path length L [cm] pθ p L produzierte Photonen θ p p N photon θ p p θ p N PANDA – meeting 18. September 2007

14. Georg Schepers GSI ToF RPC Separation power at various angles ALICE RPC 50ps resolution Separation = ( t1 – t2 ) / σ PANDA – meeting 18. September 2007

15. Georg Schepers GSI ToF RPC Separation power at various angles PANDA – meeting 18. September 2007

16. Georg Schepers GSI EMC e+ e- physics seems feaseble with the EMC - Background suppression ( ) with PID PANDA – meeting 18. September 2007

17. Georg Schepers GSI EMC PANDA – meeting 18. September 2007

18. Georg Schepers GSI EMC 11 cm 1 cm Electron (Positron) Distributions in the EMC for different Distances to the DIRC Inhomogenities Losses PANDA – meeting 18. September 2007

19. Georg Schepers GSI Endcap Cherenkov Counter PANDA – meeting 18. September 2007 Charmonium Spectroscopy: pp h c η c γ K s K π γ at 5.609 MeV/c p t [GeV/c]

20. Georg Schepers GSI Endcap Cherenkov Counter PANDA – meeting 18. September 2007 Charmonium Spectroscopy: pp h c η c γ K s K π γ at 5.609 MeV/c DISC Barrel DIRC 2σ 3.5σ 5σ 6σ p t [GeV/c] Barrel DIRC DISC Very Simplified Illustration of a Separation Power Distribution!

21. Georg Schepers GSI Endcap Cherenkov Counter Comparisson of the different Endcap Solutions, Presentation of Bjoern Seitz in the Technical Board Resolution Studies for a Multi-chromatic Time-of-Propagation Endcap DIRC for PANDA, M. Düren et al., Report of University of Gießen, Sept.07 PANDA – meeting 18. September 2007

22. layout studies for muon id background studies with PYTHIA open questions Muon subgroup report

23. Benchmark channel: DY @ 14 GeV/c ABianconi Drell - Yan Generator Focus on two M dilepton ranges Low Mass 1.1<M d <1.5 GeV Medium Mass 1.5<M d <2.5 GeV

24. Barrel and endcap segmentation? Barrel segmentation Background: dipions with the dimuon kinematics Endcap segmentation

25. Georg Schepers Global PID Analysis GSI Development of a Global PID Analysis - Combination of Detector Responses Analysis with a Neuronal Net Maximum Likelihood Method Needed Information - Probability Density Functions for the detectors from Simulations and Test beam times PANDA – meeting 18. September 2007

26. Georg Schepers GSI Particle Separation - Parametrization for single Detectors done - uniform definition (PID TAG session) - Need of Detector Simulations and Tests Benchmark Channels - From Analizers of the Physics Book Global Analysis - Concepts under Evaluation Conclusion and Outlook PANDA – meeting 18. September 2007

27. Georg Schepers GSI Conclusion and Outlook PID TAG C. Schwarz, G. SchepersChair B. Kopf/ R. NowotnyBarrel Calorimeter R. Kaiser / B. Seitz / M. Hoek Forward Cherenkov O. Denisov / M. P. Bussa / M. MaggioraMuon counter K. Föhl / P. Vlasov / M. EhrenfriedCherenkov Counter J. Smyrski / P. Hawranek / O. WronskaForward Calorimeter Q. Weitzel / B. Ketzer / S. NeubertTPC (Carsten Schwarz/Aida Galoyan )ToF K. PetersDetectors Thanks for important input: M. Düren, K. Götzen, Th. Hennino, Marc Pelizaeus a. o. PANDA – meeting 18. September 2007