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26-11-03, DESY HCAL meetingG. Eigen, U Bergen/DESY2 Agenda of Worldwide Calorimeter & Forward Detector Project Day TIME TITLE OF TALK SPEAKER 14:00-14.25.

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Presentation on theme: "26-11-03, DESY HCAL meetingG. Eigen, U Bergen/DESY2 Agenda of Worldwide Calorimeter & Forward Detector Project Day TIME TITLE OF TALK SPEAKER 14:00-14.25."— Presentation transcript:

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2 26-11-03, DESY HCAL meetingG. Eigen, U Bergen/DESY2 Agenda of Worldwide Calorimeter & Forward Detector Project Day TIME TITLE OF TALK SPEAKER 14:00-14.25 Status of GLC Calorimeter R&D Kiyotomo Kawagoe (Kobe U.) 14:25-14.45 Performance of a Strip Array EM Calorimeter Hiroyuki Matsunaga (Tsukuba U.) 14:45-15.05 Silicon Calorimetry Il Hon Park (Ewha Women's U) 15:05-15:25 Status of CALICE Si-W Calorimeter Vaclav Vrba (Prague) 15:25-15:35 Status of LCcal R&D Stefano Miscetti (Frascati) 15.35-15:55 Status of ECAL Activities in the US David Strom (Oregon) 15:55-16:20 Status of Analog HCAL studies Erika Garutti (DESY) 16.20-16:45 Status of Digital HCAL Activities Jose Repond (Argonne) 16:40-17:05 Coffee break 17.05-17:25 Analog HCAL Simulation Studies Vassily Morgunov (DESY) 17.25-17:45 Simulation and Algorithm Development for Digital HCAL Vishnu Zutshi (NIU) 17:45-18.00 Studies for Calorimeter Prototypes and Schedule Volker Korbel (DESY) 18:00-18.15 Testbeam Plans Steve Magill (Argonne) 18:15-18:35 Optimization of the Design of the Forward Calorimeters Agnieszka Kowal (Krakov) 18:35-18:50 Hardware Status of Forward Calorimeters Igor Emiliantchik (Minsk)  All talks are on the webpage http://www-flc.desy.de/Calice-wwm/montpellier-agenda.html http://www-flc.desy.de/Calice-wwm/montpellier-agenda.html

3 26-11-03, DESY HCAL meetingG. Eigen, U Bergen/DESY3 ECAL   Scin Tile/Pb sandwich Analog KEK, Japanese U   Scin Strips/Pb sandwich Analog KEK, Japanese U   Si pixel/W sandwich Analog “CALICE”, “SD” Oregon   Scin Tile/W sandwich Analog offset layers Colorado   Si-Scin hybrid /W Analog “LCCAL”, Kansas   Dense Crystals Analog PbWO 4 Caltech, Iowa

4 26-11-03, DESY HCAL meetingG. Eigen, U Bergen/DESY4 Scintillator-Pb ECAL Configurations 4cm x 4cm x 1mm-cell Tiles +WLS fibers Sci strips +WLS fibers Kiyotomo Kawagoe (Kobe U.)

5 26-11-03, DESY HCAL meetingG. Eigen, U Bergen/DESY5 Energy resolution (EMC)  4mm-Pb/1mm-Sci (ZEUS type): 15.4%/sqrt(E)+0.2% (1994)  4mm-Pb/4mm-Sci (Strip-array): 12.9%/sqrt(E)+0% (2002)  4mm-Pb/1mm-Sci/1mm-Acryl (Tile/fiber): to be tested in March 2004 Strip-array EMC ZEUS type EMC 15.4%/  E  0.2% Data: 12.9%/  E  0.% MC: 11.8%/  E  0.% Kiyotomo Kawagoe (Kobe U.)

6 26-11-03, DESY HCAL meetingG. Eigen, U Bergen/DESY6 Combined analysis of SHmax & DESY Minical  The position detector is used as a pre-shower detector  E tot =E minical +  E preshower Very preliminary  Energy resolution Kiyotomo Kawagoe (Kobe U.)

7 26-11-03, DESY HCAL meetingG. Eigen, U Bergen/DESY7 SHmax+Minical: Energy Resolution/Linearity  Resolution/linearity with  =0.56  Resolution was degraded by the large gap between detectors  Energy resolution agrees with Minical Measurements Very preliminary Electron energy (GeV) Energy resolution Kiyotomo Kawagoe (Kobe U.)

8 26-11-03, DESY HCAL meetingG. Eigen, U Bergen/DESY8 Spatial resolution  = 2.0 mm around shower max Position resolution for 4GeV electron Hiroyuki Matsunaga (Tsukuba U.)

9 26-11-03, DESY HCAL meetingG. Eigen, U Bergen/DESY9 Scintillator-W ECAL Design & Plans  45 layers: 1.75 mm W 2 mm scintillator (5  5 cm 2 ) 150  m Tyvek 1 mm gap  Alternate layers are offset  Effective  spatial =2.5  2.5 cm 2 R & D plans  Light collection efficiency, uniformity  Find cost-effective construction method  Explore extruded scintillator  Check energy flow with offset ght detection options (APD, David Strom (Oregon)

10 26-11-03, DESY HCAL meetingG. Eigen, U Bergen/DESY10 HCAL   Scin Strips-fiber/Pb Analog Japan   Scin Tile/SS sandwich Analog CALICE Tile CAL”, ACFA   Scin “pixels”/SS Digital 9 cm 2 hexagonal tiles NIU   RPC/SS Digital 1 cm X 1 cm pads (many)   GEM/SS Digital 1 cm X 1 cm pads (UTA)

11 26-11-03, DESY HCAL meetingG. Eigen, U Bergen/DESY11 Single looped fiber   strong fiber bending,   most stress on fibers,   probably aging damages? Center/straight WLS-fiberDiagonal/bent WLS-fiber   No stress on fiber,   Fiber end reflector   =tile reflector L=7,85cm L=5cm L=20cm   1.4 mm drilled & polished hole in centre   For 5 cm straight WLS-fiber RO   Cheep, for Si PM’s only   more stress on fiber,   fiber end reflector   =tile reflector L=7.85cm clear RO fibers: l=1-3.5m to photodetector light attenuation <18% Light yield of MIP’s (used for calibration): 18-25 pe on photocathode Tile-Fiber-Lightyield Volker Korbel (DESY)

12 26-11-03, DESY HCAL meetingG. Eigen, U Bergen/DESY12 Readout with PM ~ 11 p.e./MIP Readout with APDs: Hamamatsu S8550 Light Collection Readout with Si PM Jose Repond (Argonne)

13 The MiniCal Structure 97% Shower contained e + 1-6 GeV 2 cm steel 0.5 cm active 0.1 cm Ø WLF   1-loop fiber inserted into groove   Single tiles covered by 3M reflector Layer configuration Erika Garutti (DESY)

14 26-11-03, DESY HCAL meetingG. Eigen, U Bergen/DESY14 Silicon PM Calibration One photoelectron peakMIP peak pedestal   Cosmic and beam calibration of all tiles w/o pre-amplifier  reproducibility studies (LPI)  calibration analysis (MEPHI)   Single photoelectron peak visible with fast pre-amplifier  for calibration only 1 MIP = 25 pe. LED Erika Garutti (DESY)

15 26-11-03, DESY HCAL meetingG. Eigen, U Bergen/DESY15 Energy Resolution   good agreement for PM & SiPM   systematic uncertainty needs to be determined (fix at 5%)   SiPM is not corrected for saturation effects   Fit function:   Fit values for PM / MC a = 0.1  0.2 / 0.4  0.1 b = 21.0  0.4 / 17. 1  0.1 Preliminary Erika Garutti (DESY)

16 26-11-03, DESY HCAL meetingG. Eigen, U Bergen/DESY16 APD Beam Tests  ~11 ch  ~6 ch  ~23 ch  ~13 ch LAL/ECAL preamp Charge sensitive Larger gain Prague preamp Voltage sensitive pedestal Beam MIP APD Preamp required gain : APD gain >200: 12 mV/7.2fC APD gain <100: 12 mV/1.8fC Erika Garutti (DESY)

17 26-11-03, DESY HCAL meetingG. Eigen, U Bergen/DESY17 Pre-amp Test of Single Tile with Source   Gate adjustment : 90% signal contained   300 ns 120 ns   noise comparison:  (ped)/(MIP-ped) 5.0/85 = 0.06 12.4/82 = 0.15   MIP resolution:  (MIP)/(MIP-ped) 36.4/85 = 0.42 42.3/82 = 0.52 Sr MIP LED ped Charge sensitive Minsk preamp Voltage sensitive preamp Prague Design Sr MIP LED ped Erika Garutti (DESY)  We have 2 additional preamp prototypes for testing

18 26-11-03, DESY HCAL meetingG. Eigen, U Bergen/DESY18 (46.7±0.6)/  E% HCAL Studies in Japan  Use 1-4 GeV e - beam at KEK, 10-200 GeV at FNAL 10-200 GeV at FNAL Kiyotomo Kawagoe (Kobe U.)

19 26-11-03, DESY HCAL meetingG. Eigen, U Bergen/DESY19 Simulations

20 26-11-03, DESY HCAL meetingG. Eigen, U Bergen/DESY20 Prototype Layout Vassily Morgunov (DESY)

21 26-11-03, DESY HCAL meetingG. Eigen, U Bergen/DESY21 Neutron Component Vassily Morgunov (DESY)

22 26-11-03, DESY HCAL meetingG. Eigen, U Bergen/DESY22 Software Compensation Vassily Morgunov (DESY) Simple weighting

23 26-11-03, DESY HCAL meetingG. Eigen, U Bergen/DESY23 Single Particle E Resolution Non-projective geometry Vishnu Zutshi (NIU)

24 26-11-03, DESY HCAL meetingG. Eigen, U Bergen/DESY24 Multiple thresholds Vishnu Zutshi (NIU)

25 26-11-03, DESY HCAL meetingG. Eigen, U Bergen/DESY25 Reconstructed Jet Resolution Cal only Digital eflow 60% better ZZ Events Vishnu Zutshi (NIU) Reconstructed Z mass  =0.26  =0.16

26 26-11-03, DESY HCAL meetingG. Eigen, U Bergen/DESY26 Prototypes & Beam Tests

27 26-11-03, DESY HCAL meetingG. Eigen, U Bergen/DESY27 Example: pad sizes increase x 2 3, 6 and 12 cm Volker Korbel (DESY) 2016 2610 306

28 26-11-03, DESY HCAL meetingG. Eigen, U Bergen/DESY28 Physics prototype stack Absorber plates: Metal sheet: EN 10 029-16D x 1005 x 1005 S G Steel: Stahl EN 10 025-Fe 360 B 36 layers, Fe, 16 +/- 0.95 mm, flatness 3 mm cut to 100x100 cm 2 Cassettes: -Housing plates provided by producer of cassettes -Sandwich structure: 6.5 mm scintillator + fibers 6.5 mm is max also for other detector layers 2 x 2 mm cover plates, +/- 0.95 100 x100 cm outer dimensions Thickness tolerances >0.5 mm Cassette weight ~32 kg total Physics prototype weight ~6 t Volker Korbel (DESY)

29 26-11-03, DESY HCAL meetingG. Eigen, U Bergen/DESY29 Tile-HCAL P-PT for E-flow studies 10 GeV pions 100 GeV pions 100 cm Leakage detector needed! Simulation studies needed to specify   Active volume   tile sizes vs depth   tile grouping to cells   lateral leakage   longitudinal leakage   increasing absorber thickness in depth? Volker Korbel (DESY)

30 26-11-03, DESY HCAL meetingG. Eigen, U Bergen/DESY30 Testbeam Venues Steve Magill (Argonne)

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