Calorimeter ECAL (tungsten silicon) HCAL (tile, iron - scintillator)
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1 Calorimeter ECAL (tungsten silicon) HCAL (tile, iron - scintillator) Vasiliy Morgunov DESY, Hamburg and ITEP, Moscow Workshop, Padova - May 00 Vasiliy Morgunov Padova, - May 00
2 Calorimeter parameters ECAL W-0. G-0. Si-0.0 G-0. cm ECAL W-0. G-0. Si-0.0 G-0. cm HCAL Fe-.0 Sc-0. Gap-0. cm ECAL ECAL HCAL Density g=cm 3 X cm Lambda cm Vasiliy Morgunov Padova, - May 00
3 Calorimeter geometry Vasiliy Morgunov Padova, - May 00
4 Calorimeter geometry Vasiliy Morgunov Padova, - May 00
5 Calorimeter geometry Vasiliy Morgunov Padova, - May 00
6 Calorimeter geometry fine structure sectors Vasiliy Morgunov Padova, - May 00
7 Calorimeter geometry fine structure sectors Vasiliy Morgunov Padova, - May 00
8 JE T ffl e + e! qμq PITHYA events with fixed energy and fixed initial parton direction. ffl Four flavours u; d; c and b, five energies (,, 0, 0, 0 GeV) per parton 00 events of each. ffl Heavy mesons and fi -lepton decays made by PITHYA. ffl No any cuts at the PITHYA level. ffl Every initial (for GEANT) particle was separated in two hemispheres in q and μq momentum directions. ffl Only one part of e + e event was used as one of GEANT input event. ffl Magnetic field in the detector 3 Tesla, so for energy collection all calorimeter was used (no cuts in hemispheres). ffl There was no any spatial or cluster reconstruction procedure used sampling weighted energy sum ONLY. ffl Suggestions are: very good jet cluster finding and jet reconstruction procedures. ffl There were runs with separate particles as : e; fl; ß ; p; n; K 0 L, that are the jet components (,, 3,,, 0, 0, 0 GeV; 00 events of each) Vasiliy Morgunov Padova, - May 00
9 Event sample b-quark 0 GeV Vasiliy Morgunov Padova, - May 00
10 Event sample b-quark 0 GeV Vasiliy Morgunov Padova, - May 00
11 Particles impact points u-quark 0 GeV 00/0/03. cm cm Unfolded calorimeter surface Vasiliy Morgunov Padova, - May 00
12 CPU time Time per one event processing in seconds Energy (GeV) b c d u Vasiliy Morgunov Padova, - May 00
13 Particle reconstructed energy 00/0/0 7.3 E reconstr./e beam.3.. Reconstructed energy vs Beam kinetic energy Beam kinetic energy (GeV) Vasiliy Morgunov Padova, - May 00
14 Jet reconstructed energy 00/0/0. E reconstructed / E initial Reconstructed energy vs initial parton energy Parton initial energy (GeV) Vasiliy Morgunov Padova, - May 00
15 Jet reconstructed energy 00/0/03.0 E reconstructed / E initial Reconstructed energy vs initial parton energy sectors Parton initial energy (GeV) Vasiliy Morgunov Padova, - May 00
16 Sqare root of E - law? 00/0/7. Sigma(E)/E % Energy resolution for c-quark /sqrt(e) Vasiliy Morgunov Padova, - May 00
17 Particle energy resolution Sigma(E)/E % 3 Energy resolution 00/0/ /sqrt(e) Vasiliy Morgunov Padova, - May 00
18 Jet energy resolution Sigma(E)/E % Energy resolution 00/0/ /sqrt(e) Vasiliy Morgunov Padova, - May 00
19 Jet energy resolution Sigma(E)/E % Energy resolution 00/0/ sectors /sqrt(e) Vasiliy Morgunov Padova, - May 00
20 Energy resolution 00/0/0.00 Resolution vs Energy Energy resolution (GeV) - Reconstructed energy (GeV) Vasiliy Morgunov Padova, - May 00
21 Particle energy resolution Resolution vs Energy 00/0/0 7.3 Resolution (GeV) - Particle kinetic energy (GeV) Vasiliy Morgunov Padova, - May 00
22 Jet energy resolution Resolution vs Energy 00/0/0. Energy resolution (GeV) Reconstructed parton energy (GeV) Vasiliy Morgunov Padova, - May 00
23 Jet energy resolution Resolution vs Energy 00/0/03.0 Energy resolution (GeV) Reconstructed parton energy (GeV) - sectors Vasiliy Morgunov Padova, - May 00
24 Calorimeter structures with different number of sectors sectors 3 layers for HCAL are allowed sectors 3 layers for HCAL are allowed sectors 3 layers for HCAL are allowed sectors 3 layers for HCAL are allowed Vasiliy Morgunov Padova, - May 00
25 At 0 degree of ffi 00/0/9 7. Calorimeter nuclear depth vs polar angle Nuclear absortion length 9 Phi 0 degree 7 sectors sectors sectors sectors Theta (degree) Vasiliy Morgunov Padova, - May 00
26 Nuclear absortion length Critical cut at 90 degree of Calorimeter nuclear depth vs azimutal angle...9 sectors Theta 90 degree 00/0/9 7.. sectors.7.. sectors..3. sectors Phi (degree) Vasiliy Morgunov Padova, - May 00
27 Histogram sample ID Entries Mean RMS Energy resolution for c-quark / Constant 0. Mean 9.3 Sigma ID Entries Mean RMS 00/0/ / Constant 9.3 Mean Sigma E (GeV) E (GeV) ID Entries Mean RMS / Constant 9. Mean 0.00 Sigma ID Entries Mean RMS / Constant 77. Mean.7 Sigma.3 0 E (GeV) 0 E (GeV) ID Entries Mean RMS / Constant.9 Mean 9.3 Sigma.33 0 E (GeV) Vasiliy Morgunov Padova, - May 00
28 Energy leakage u-quark 0 GeV 00/0/.7 3 Energy leakage distribution ID Entries Mean RMS Energy leakage (GeV) 00/0/03. Leakage (%) 7 Average energy leakage after calorimeter Parton energy (GeV) Vasiliy Morgunov Padova, - May 00
29 Spectrum of neutral hadrons Spectrumes of neutral hadrons in initial events 00/0/ E (GeV) E (GeV) E (GeV) E (GeV) Initial parton energy = 0GeV Vasiliy Morgunov Padova, - May 00
30 Leakage Calorimeter energy correlation Number of neutral hadrons per parton (0GeV ) K 0 L n b c Remark: e = : e = : d 0.3. u /0/ Leakage energy VS energy in calorimeter sectors Vasiliy Morgunov Padova, - May 00
31 Leakage Calorimeter energy correlation 00/0/ Leakage energy VS energy in calorimeter sectors Vasiliy Morgunov Padova, - May 00
32 Leakage Calorimeter energy correlation 00/0/ /0/ Leakage energy VS energy in calorimeter Leakage energy VS energy in calorimeter /0/ /0/03.0 Leakage energy VS energy in calorimeter 7 3 Leakage energy VS energy in calorimeter sectors Vasiliy Morgunov Padova, - May 00
33 Leakage Calorimeter energy correlation 00/0/ /0/ Leakage energy VS energy in calorimeter Leakage energy VS energy in calorimeter /0/ /0/03.0 Leakage energy VS energy in calorimeter 7 3 Leakage energy VS energy in calorimeter sectors Vasiliy Morgunov Padova, - May 00
34 Leakage numericaly Percentage of events with a leakage more then % of energy -sectors Energy [GeV] b c d u in average sectors Energy [GeV] b c d u in average Vasiliy Morgunov Padova, - May 00
35 Leakage correlation 00/0/9.0 Sum of Energy in last seven layers VS Energy leakage V. Korbel proposal checking Vasiliy Morgunov Padova, - May 00
36 ECAL HCAL energy correlation 00/0/9.0 00/0/9.0 Energy in ECAL VS energy in HCAL Energy in ECAL VS energy in HCAL /0/9.0 00/0/ Energy in ECAL VS energy in HCAL 70 0 Energy in ECAL VS energy in HCAL Vasiliy Morgunov Padova, - May 00
37 Proposal Anti-coincidence trigger for SUSY missing E T Calorimeter with 0 % efficiency outside the magnet vessel. Vasiliy Morgunov Padova, - May 00
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