1. ALICE & heavy ion physics Michal Šumbera Nuclear Physics Institute AS CR, Řež

2. 7.4.200 Michal Šumbera RECFA- Prague 2000 PHASE DIAGRAM OF QCD MATTER

3. 7.4.200 Michal Šumbera RECFA- Prague 2000 SPS lead beam experiments Study of strange and multi-strange baryon production in lead-lead collisions High statistics study of photons, neutral hadrons and charged particles, and their correlations in Pb-Pb collisions. Study of electron-pair production at high energy heavy ion collisions.

4. 7.4.200 Michal Šumbera RECFA- Prague 2000 WA97/NA57 Institute: *Institute of Physics, Prague People: P.Závada, P.Staroba, J.Weichert, J.Böhm, K.Píška Activities:  Maintenance and operation of the beam trigger counters  Event reconstruction using data from pixel telescope  HBT interferometry  Phenomenological analysis of multi-strange baryon production

5. 7.4.200 Michal Šumbera RECFA- Prague 2000 WA97/NA57

6. 7.4.200 Michal Šumbera RECFA- Prague 2000

7. 7.4.200 Michal Šumbera RECFA- Prague 2000 Enhanced production of multi-strange baryons: Signature of QGP

8. 7.4.200 Michal Šumbera RECFA- Prague 2000 WA98 Institute: *Nuclear Physics Institute, Řež People: M.Šumbera, S.Eliseev,V. Petráček, I. Hřivnáčová, A. Kugler, M. Pachr,J. Rak Activities:  Maintenance and operation Silicon Drift Detector  Data analysis  Search for Disorientd Chiral Condensates  Study of multiparticle correlations

9. 7.4.200 Michal Šumbera RECFA- Prague 2000

10. 7.4.200 Michal Šumbera RECFA- Prague 2000 M.M. Aggarwal et al. Phys. Rev. Lett. 83(1999)926 M.M. Aggarwal et al. Phys. Rev. Lett. 83(1999)926

11. 7.4.200 Michal Šumbera RECFA- Prague 2000 Direct photon result Preliminary

12. 7.4.200 Michal Šumbera RECFA- Prague 2000 CERES/NA45 Institute: *Nuclear Physics Institute, Řež (since 1997) People: M.Šumbera, V.Kouchpil,V. Petráček, J.Rak, D.Adamová, V.Hanzal, I.Hřivnáčová Activities:  Maintenance and operation of doublet of Silicon Drift Detectors  Data analysis  Search for open charm production  High p T particle production

13. 7.4.200 Michal Šumbera RECFA- Prague 2000

14. 7.4.200 Michal Šumbera RECFA- Prague 2000

15. 7.4.200 Michal Šumbera RECFA- Prague 2000 WA98 & NA45/CERES: Radial Silicon Drift Detectors

16. 7.4.200 Michal Šumbera RECFA- Prague 2000

17. 7.4.200 Michal Šumbera RECFA- Prague 2000

18. 7.4.200 Michal Šumbera RECFA- Prague 2000 Enhanced production of low p T e + e - pairs: Signature of chiral symmetry restoration Enhanced production of low p T e + e - pairs: Signature of chiral symmetry restoration

19. 7.4.200 Michal Šumbera RECFA- Prague 2000 A L arge I on C ollider E xperiment

20. 7.4.200 Michal Šumbera RECFA- Prague 2000

21. 7.4.200 Michal Šumbera RECFA- Prague 2000 ALICE in the Czech Republic Institutes: *Institute of Physics, Prague *Nuclear Physic Institute, Řež People (19): D. Adamová, J.Hošek, V.Hanzal, I.Hřivnáčová, S.Kouchpil,V.Kouchpil, A.Kugler, J.A.Mareš, E.Mihóková, J.Nikl, V.Petráček, K. Píška, K.Polák, M.Šumbera, P.Tlustý, V.Wagner, P.Závada,D.Zákoucký, I. Zborovský Activities:  Silicon Drift Detectors  Low Voltage Supply for Silicon Drift Detectors  Scintillation Detectors  Physics  Off-line

22. 7.4.200 Michal Šumbera RECFA- Prague 2000 ALICE Inner Tracking System

23. 7.4.200 Michal Šumbera RECFA- Prague 2000 View of ITS space frame and SDD ladders 2 layers of Silicon Strip Detectors 2 layers of Silicon Drift Detectors 2 layers of Silicon Pixel Detectors

24. 7.4.200 Michal Šumbera RECFA- Prague 2000 Large area linear Si-drift detector prototype for ALICE experiment Designed in 1996 by Vojtěch Petráček (NPI Řež) and Pavel Rehak (BNL). Innovation w.r.t. previous ALICE prototypes: hexagonal geometry with rectangular active region allowing very simple alignment of detectors on the ladder. Mask and detector fabrication @ ASICentrum Prague, ICM Prague and TESLA SEZAM Rožnov pod Radhoštěm.

25. 7.4.200 Michal Šumbera RECFA- Prague 2000 Basic detector characteristics Rectangular active region 50 x 67 m 9% of dead region (guard structures) Implanted P+ resistor HV divider 200 anodes on each side of the detector (anode pitch 250  m) 3 lines of MOS, N+ and N+(AC) charge injection structures Precise openings in metalization for laser-induced charge injection Anode structures around the guard zone allows to study leakage currents in this region Detector is fabricated on 3.5 kOhm/cm NTD N Si

26. 7.4.200 Michal Šumbera RECFA- Prague 2000

27. 7.4.200 Michal Šumbera RECFA- Prague 2000 Laboratory and beam test of ALICE SDD prototypes

28. 7.4.200 Michal Šumbera RECFA- Prague 2000 Vojtěch Petráček Dalibor Zákoucký Pavel Tlustý

29. 7.4.200 Michal Šumbera RECFA- Prague 2000 Beam test of 4” Linear Silicon Drift Detector prototypes V. Petráček et al. ALICE INT 99-26 V. Petráček et al. ALICE INT 99-26

30. 7.4.200 Michal Šumbera RECFA- Prague 2000 Beam test of 4” Linear Silicon Drift Detector prototypes V. Petráček et al. ALICE INT 99-26 V. Petráček et al. ALICE INT 99-26

31. 7.4.200 Michal Šumbera RECFA- Prague 2000 LV power supply for the ITS/SDD - scheme of the ladder part V.Petráček: ALICE ITS TDR CERN/LHCC 99-12 V.Petráček: ALICE ITS TDR CERN/LHCC 99-12

32. 7.4.200 Michal Šumbera RECFA- Prague 2000 LV power supply for SDD layer of ITS V.Petráček: ALICE ITS TDR CERN/LHCC 99-12 V.Petráček: ALICE ITS TDR CERN/LHCC 99-12

33. 7.4.200 Michal Šumbera RECFA- Prague 2000 LVPS module prototype (AREM PRO, Praha)

34. 7.4.200 Michal Šumbera RECFA- Prague 2000 ALICE Photon Spectrometer PHOS 17 280 PWO crystals 2.2x2.2x18 cm 3 coupled to large-area PIN-diodes with low- noise preamps PHOS

35. 7.4.200 Michal Šumbera RECFA- Prague 2000 Scintillation group, Dept. of Optical Crystal, Institute of Physics, Prague 1995-7: Development and production (in co- operation with Preciosa Crytur Co.) of large PWO blocks (2x2x0cm) which were used in the ALICE beam tests. 1997-2000: Continuation of beam tests. Testing of absorption properties and scintillation characteri- stics of selected PWO crystals, including detailed studies of various doped crystals. 2000-2005: Participation in tests, assembly and measurement of characteristics of individual crystals

36. 7.4.200 Michal Šumbera RECFA- Prague 2000 Transmission spectra at room temperature for three different PWO crystals (L = 18 cm)