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Sherlock Holmes and Mystery of the Soup

M. Deveaux Goethe- Universität Frankfurt/M. Sherlock Holmes and Mystery of the Soup. A Question to Sherlock Holmes. The soup. The cook. Annette Schavan , Federal Minister of Research, Germany. Sherlock Holmes Quest. How can one check that the soup has cooked?. Sherlock Holmes Quest.

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Sherlock Holmes and Mystery of the Soup

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  1. M. Deveaux Goethe-Universität Frankfurt/M Sherlock Holmes andMysteryoftheSoup

  2. A Question to Sherlock Holmes The soup The cook Annette Schavan, Federal Minister of Research, Germany M. Deveaux, FAIRNESS Workshop, 3. – 8. Sept 2012, Hersonissos, Greece

  3. Sherlock Holmes Quest How can one check that the soup has cooked? M. Deveaux, FAIRNESS Workshop, 3. – 8. Sept 2012, Hersonissos, Greece

  4. Sherlock Holmes Quest ? M. Deveaux, FAIRNESS Workshop, 3. – 8. Sept 2012, Hersonissos, Greece

  5. Sherlock Holmes Quest M. Deveaux, FAIRNESS Workshop, 3. – 8. Sept 2012, Hersonissos, Greece

  6. Sherlock Holmes Quest = M. Deveaux, FAIRNESS Workshop, 3. – 8. Sept 2012, Hersonissos, Greece

  7. Sherlock Holmes Quest Dissolves fast Gets quickly soft if cooked Gets slowly soft if cooked M. Deveaux, FAIRNESS Workshop, 3. – 8. Sept 2012, Hersonissos, Greece

  8. Sherlock Holmes Quest Lets test ingredients, which keep information on the cooking process. M. Deveaux, FAIRNESS Workshop, 3. – 8. Sept 2012, Hersonissos, Greece

  9. Sherlock Holmes Quest Dissolves also at room temperature Keeps softening after cooking Reacts slowly, might overlook cooking M. Deveaux, FAIRNESS Workshop, 3. – 8. Sept 2012, Hersonissos, Greece

  10. Sherlock Holmes Quest The Quest of CBM We will have to test as many ingredients as possible to ob-tain a conclusive answer. M. Deveaux, FAIRNESS Workshop, 3. – 8. Sept 2012, Hersonissos, Greece

  11. From my personal point of view M. Deveaux Goethe-Universität Frankfurt/M The CBM-Experiment

  12. The nuclear phase diagram M. Deveaux, FAIRNESS Workshop, 3. – 8. Sept 2012, Hersonissos, Greece

  13. UrQMDtransportcalculation U+U 23 AGeV Observables

  14. CBM probes at highest baryonic densities CBM M. Deveaux, FAIRNESS Workshop, 3. – 8. Sept 2012, Hersonissos, Greece

  15. CBM uses Charm and Open Charm at threshold CBM p-A “The cross section obtained in the present experiment is also larger than theoretical estimates, and this requires a more thorough investigation into the problem.” M. Deveaux, FAIRNESS Workshop, 3. – 8. Sept 2012, Hersonissos, Greece

  16. CBM uses Charm and Open Charm at threshold CBM A-A CBM will allow to access charm close to production threshold M. Deveaux, FAIRNESS Workshop, 3. – 8. Sept 2012, Hersonissos, Greece

  17. Experiments on super-dense nuclear matter M. Deveaux, FAIRNESS Workshop, 3. – 8. Sept 2012, Hersonissos, Greece

  18. Observables minimumbiasAu+Aucollisions at 25 AGeV(from HSD and thermal model) SPS: Pb+Pb30 AGeV STAR: Au+AusNN=7.7 GeV multiplicity  branching ratio , sNN=19.6 GeV J. Heuser, QM2012 motivatingCBM`s experimental requirements in precisionandrates M. Deveaux, FAIRNESS Workshop, 3. – 8. Sept 2012, Hersonissos, Greece

  19. The design of CBM RPC (TOF) – identify “slow” hadrons RICH – identify “slow” electrons ECAL – measure gammas STS – measure momentum TRD – identify fast electrons MVD – find decay vertex PSD – measure event plane M. Deveaux, FAIRNESS Workshop, 3. – 8. Sept 2012, Hersonissos, Greece

  20. Some observables D0 => K + p Major cut = displaced vertex Remaining background = p + p, p + p … RICH – e ID + fast p ID TRD – e ID RPC (TOF) - p- ID p - K separation STS - Momentum ECAL MVD, decay vertex ID PSD – Event plane M. Deveaux, FAIRNESS Workshop, 3. – 8. Sept 2012, Hersonissos, Greece

  21. Some observables r,w,f …=> e+/e- Major cut = Particle ID Remaining background = g => e+/e- TRD – fast e ID RICH – slow e ID RPC (TOF) – hadron suppr. STS - Momentum ECAL – measure p0 and e for cocktail MVD, g=> e+/e- rejection PSD – Event plane M. Deveaux, FAIRNESS Workshop, 3. – 8. Sept 2012, Hersonissos, Greece

  22. Some observables J/Y …=> e+/e- Major cut = Particle ID, pt> 1.2 GeV TRD – fast e ID RICH – slow e ID RPC (TOF) – hadron suppr. STS - Momentum ECAL MVD, g=> e+/e- rejection PSD – Event plane M. Deveaux, FAIRNESS Workshop, 3. – 8. Sept 2012, Hersonissos, Greece

  23. Some observables w,r,f,J/Y …=> µ+/µ- Major cut = Particle ID Remaining background = p => m + X RICH – slow e ID ECAL MVD TRD – tracking Much – Active Muon absorber RPC (TOF) – hadron suppr. STS - Momentum PSD – Event plane CBM aims to measure vector mesons via e+/e- AND µ+/µ- in SEPARATE runs => control systematics M. Deveaux, FAIRNESS Workshop, 3. – 8. Sept 2012, Hersonissos, Greece

  24. ConventinalDAQ Detector L1trigger FEE buffer Readoutbuffer Switch HLT Processorfarm Storage CBM – The trigger concept • Contradiction: • Complex trigger signature => Need high CPU time • High rate => Need immediate decision M. Deveaux, FAIRNESS Workshop, 3. – 8. Sept 2012, Hersonissos, Greece

  25. CBM ConventinalDAQ Detector L1trigger FEE buffer Readoutbuffer Switch L1 HLT Processorfarm Storage The concept of the CBM-DAQ Self-triggered Front-end. All Hits are shipped to DAQ in data push mode. Fast data links Data buffer outside cave. Memory for L1 decision latencies of 10-100 ms Real time event building Event Selection after tracking and partial reconstruction. Use of highly parallel hardware (Multicore CPU/GPGPU). 240 core CPU M. Deveaux, FAIRNESS Workshop, 3. – 8. Sept 2012, Hersonissos, Greece

  26. DAQ in simple words ? TOF TRD MVD RICH FCAL ECAL MUCH STS ~ 1TB/s M. Deveaux, FAIRNESS Workshop, 3. – 8. Sept 2012, Hersonissos, Greece

  27. A little computing hardware – the LOEWE CSC • Rank 22 in the Top500 List of Supercomputers. • 832 Nodes (20900 Cores, 778 GPGPU) • 56 TB RAM, 2000 TB HDD • 420 TB high speed HDD mit 10 GB/s • CPU - 176 TFlop/s (peak, dp), • GPGPU - 2.1 PFlop/s (peak, sp), 599 TFlop/s (peak, dp) • Cooling < 10% of the power consumption M. Deveaux, FAIRNESS Workshop, 3. – 8. Sept 2012, Hersonissos, Greece

  28. A little bigger hardware CBM 'Green Cube' 1 TB/s ~500m Der Green Cube wurde von der Helmholtz-Gemeinschaft als Projekt mit höchster Priorität aller Ausbauinvestionen eingestuft M. Deveaux, FAIRNESS Workshop, 3. – 8. Sept 2012, Hersonissos, Greece

  29. From Simulation to Reality Again, this structure will be fixed with the novel Anti Gravitation Glue™. M. Deveaux, FAIRNESS Workshop, 3. – 8. Sept 2012, Hersonissos, Greece

  30. z Target (Gold) Detector2 Detector 1 Primary Beam: 25 AGeV Au Ions (up to 109/s) Primary vertex Secondary vertex Short lived particle D0 (ct = ~ 120 µm) Reconstruction concept for open charm The CBM Micro Vertex Detector Central Au + Au collision (25 AGeV) The CBM-experiment (at FAIR) Open charm reconstruction: Concept • Reconstructing open charm requires: • Excellent secondary vertex • resolution (~ 50 µm) • => Excellent spatial resolution (~5 µm) • => Very low material budget (few 0.1 % X0) • => Eventually: Detectors in vacuum • A good time resolution to distinguish • the individual collisions (few 10 µs) • Very good radiation tolerance • (>1013neq/cm²) M. Deveaux,

  31. NA60 hybrid pixel Requirements vs. detector performances (2003) M.Deveaux

  32. Requirements vs. detector performances (2003) We need both More sensitivity More statistics NA60 hybrid pixel M. Deveaux

  33. CMOS Monolithic Active Pixel Sensors (MAPS) • MAPS provide an unique compromise between: • sensitivity • high rate capability Time resolution and rad. tolerance need improvement => Perform R&D *Sensor only

  34. Sensor R&D: How to gain speed Offline Cluster finding Sensor External ADC Output Add pedestalcorrection • MAPS are built in CMOS • technology • Allows to integrate: • sensor • analog circuits • digital circuits • on one chip. ~1000 discriminators On - chip cluster-finding processor Output: Cluster information (zerosurpressed)

  35. Sensor R&D: How to gain speed Serial readout parallel 160 Mbps Data/sensor: 1200 Mbps Pixel withpedestalcorrection Readout time before: 1-20 ms Readout time now: ~100 µs Improve further with shorter columns. Improve with “DDR-readout” ~1000 discriminators On - chip cluster-finding processor Output: Cluster information (zerosurpressed)

  36. Sensor R&D: The operation principle +3.3V Reset +3.3V Output SiO2 SiO2 SiO2 N++ N++ P+ N+ P- 50µm 15µm P+ M. Deveaux

  37. Non-ionising radiation Energy deposit into crystal lattice Sensor R&D: Tolerance to non-ionising radiation +3.3V Output +3.3V GND SiO2 SiO2 GND SiO2 SiO2 N+ P++ P++ N++ P++

  38. Sensor R&D: Tolerance to non-ionising radiation +3.3V Output +3.3V GND SiO2 SiO2 GND SiO2 SiO2 N+ P++ P++ N++ P++ Key observation: Signal amplitude is reduced by bulk damage

  39. Sensor R&D: Tolerance to non-ionising radiation +3.3V Output +3.3V GND SiO2 SiO2 GND SiO2 SiO2 N+ P++ P++ N++ P++ E Electric field increases the radiation hardness of the sensor Draw back: Need CMOS-processes with low doping epitaxial layer

  40. S/N of MIMOSA-18 AHR (high resistivity epi-layer) Mimosa-9 (2005) 20 µm standard epi Preliminary D. Doering, P. Scharrer, M. Domachowski Safe operation 0.2 x 1013 neq/cm² • Plausible conclusion: Radiation tolerance ~1014neq/cm² reached • Cooling required to operate heavily irradiated sensors M. Deveaux

  41. CMOS – Monolithic Active Pixel Sensors R&D carried out in synergy with STAR HFT, EUDET, AIDA and (recently) ALICE ITS upgrade. CMOS Monolithic Active Pixel Sensoren CBM (Startup) Mi-5 (2002) MAPS(2012*) Mi-26 (2010) Improve-ment Single point res. ~ 5 µm ~2 µm ~1 µm 3.5 µm -- Material budget < 0.05% X0 ~ 0.1% X0 0.05% X0 0.05% X0 x2 Rad. tol. non-io. >1013 neq/cm² ~1012 neq >3x1014neq > 1x1013neq x300 Rad. tol. io > 3 MRad <200 kRad > 3MRad > 300 kRad x 15 Readout time ~ 30 µs ~ 6 ms 25µs ~100 µs x60 * Best of specialized sensors M. Deveaux, FAIRNESS Workshop, 3. – 8. Sept 2012, Hersonissos, Greece

  42. Integration concept of the MVD Sensor Sensor Sensor Sensor Sensor Sensor Sensor Sensor Sensor Sensor Discri Discri Discri Discri Discri Discri Discri Discri Discri Discri MIMOSIS1B MIMOSIS1A MVD Prototype (mock up) T. Tischler 42 M. Deveaux

  43. Prototype: Beam test setup MVD Prototype Reference telescope T. Tischler • Ambitioned performances: • Up to 8 MIMOSA-26 running @10k frames/s, 3.5µm resolution. • Local DAQ based on HADES TRB - 1.3 Gbps data, scalable. • Actively cooled prototype (<0.3% X0) • Passively cooled telescope arms (0.05% X0) M. Deveaux

  44. Prototype: Beam test setup 2 MIMOSA-26 operated with …. the prototype readout electronics Beam spot seen, work in progress… Beam test planned late for November @ CERN-SPS M. Deveaux

  45. 600.000 pixels and a readout cable (mechanical demonstrator) System integration: Outlook Ideafrom R. De Oliveira, W.Dulinski Thanks to CERN and IPHC M. Deveaux, FAIRNESS Workshop, 3. – 8. Sept 2012, Hersonissos, Greece

  46. Concept of the STS The Silicon Tracking System… a high performance silicon strip detector, 8 Layers – 70 cm long M. Deveaux, FAIRNESS Workshop, 3. – 8. Sept 2012, Hersonissos, Greece

  47. coolingof electronics with CO2 cooling system and of Si sensors with dry gas operation temperature: ~ -5o C to -10o C Integrated technical design thermal insulation, windows • STS • MVD • beam pipe • target • in dipolemagnetgap:1.4  1.8  1.0 m3 electronics, cooling pipes, low voltage cables, optical data links power dissipation: planned prototypes: 37 kW optimized distribution: 27 kW maintenance M. Deveaux, FAIRNESS Workshop, 3. – 8. Sept 2012, Hersonissos, Greece

  48. The concept of the STS Technology: Double sided strip detectors with 15° stereo angle Front side provides X-, backside Y-coordinate M. Deveaux, FAIRNESS Workshop, 3. – 8. Sept 2012, Hersonissos, Greece

  49. The concept of the STS M. Deveaux, FAIRNESS Workshop, 3. – 8. Sept 2012, Hersonissos, Greece

  50. σ =32 m σ =58 m σ =32 m Beam tests of the STS silicon microstrip detectors self-triggering front-end electronics DAQ online monitoring tracking 2.4 GeV protons neutron-irradiated sensor M. Deveaux, FAIRNESS Workshop, 3. – 8. Sept 2012, Hersonissos, Greece

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