Beam test results of Tile/fiber EM calorimeter and Simulator construction status 2005/03/05 Detector Niigata University ONO Hiroaki contents  Beam test results of EM CAL  Full simulator construction work

2005/03/05Detector KEK2 Beam test of Tile/fiber calorimeter Requirements for Linear collider calorimeter –Fine longitudinal segmentation –Fine transverse granularity –Required resolution We made a prototype of fine segmented EM calorimeter and tested at the pi2 beam line In March 2004.

2005/03/05Detector KEK3 Beam test module setup Tile size : 4cmx4cmx1mm with WLS fiber Sampling ratio : Pb/Scinti = 4/1(Hardware compensated) Number of layers : 6 super-layer (1 S.L. = 4 layers) 17.1 X 0 Read out : 16 ch Multi Anode PMT with WLS fiber

2005/03/05Detector KEK4 Mega-tile structure and beam line Mega-tile structure 1mm scintillator thickness 25 tiles (5x5) per layer and connected on each corner. Tiles are separated with white plastic strips. Energy : 1 to 4 GeV e/pi/mu DC : tracking Cherenkov : e/pi separation

2005/03/05Detector KEK5 Gain calibration scan Use non-interacting particle (MIPs) for the gain calibration Fit function : Landau-Like function Fitting range : peak–3σ ～ peak+5σ Relative error : ΔPH/PH ～ 2.0%

2005/03/05Detector KEK6 Energy profile and linearity Deviation from the straight line ΔE/E < 2.0%

2005/03/05Detector KEK7 Energy resolution Beam hit position ( center tile ) Geant4 simulation include photon statistics agree the beam test data

2005/03/05Detector KEK8 Position resolution Residual plot of DC hit position and center of gravity position at each tile center Position resolution 4GeV 3rd super-layer σ x =5.4mm ± 0.3mm σ y =4.5mm ± 0.3mm 1st 2nd 3rd 4th5th6th Residual plot of x-axis

2005/03/05Detector KEK9 Position resolution vs energy, layer Energy dependence : Best position resolution achieved at shower maximum position ( At the 3rd super-layer )

2005/03/05Detector KEK10 Response mapping and uniformity LEGO and CONTOR plot of 2mm x 2mm mesh response mapping at the center tile

2005/03/05Detector KEK11 Uniformity mapping along x-axis Mesh size :1mm x 1cm Flat part(-1.5 ～ 1.5cm) Mean : 1.01 MIPs Zoom up of center flat part Uniformity : 1.66%(RMS)

2005/03/05Detector KEK12 Precise measurement at fiber position 0.5 x 5 mm mesh scan at the tile boundary -1.8mm -1.7mm No drops at the fiber position Circle and square tiles are staggered in each super-layer At the fiber position, scintillator thickness is only 0.2mm

2005/03/05Detector KEK13 Tiles corner response mapping Good light containment inside of the fiber glove. Light sharing at four tiles connected part.

2005/03/05Detector KEK14 Summary Linearity : 2.0% Energy resolution : Position resolution σ x =5.4mm ± 0.3mm σ y =4.5mm ± 0.3mm Energy dependence of position resolution Uniformity : 1.66%(RMS) Response mapping –No significant drop at fiber position –Good light containment inside of the fiber grove

2005/03/05Detector KEK15 Jupiter geometry construction Detector geometry At the last year, no Muon detector and CAL cell structure in Jupiter JUPITER JLC Unified Particle Interaction and Tracking EmulatoR IO Input/Output module set URANUS LEDA Monte-Calro Exact hits To Intermediate Simulated output Unified Reconstruction and ANalysis Utility Set Library Extention for Data Analysis METIS Satellites Geant4 based Simulator JSF/ROOT based Framework MC truth generator Event Reconstruction Tools for simulation Tools For real data

2005/03/05Detector KEK16 CAL part Default setup of CAL Lead-Scintillator sampling structure EM : 4cm x 4cm x 1mm tile 4mm-thick Pb (4:1 sampling ratio) 38 layer (27X 0 ) HAD : 12cm x 12cm x 2mm tile 8mm-thick Pb (4:1 sampling ratio) 130 layer (6.5λ 0 ) Construction point Different EM and HAD tile size can set Sandwich structure combination ( for X-Y scinti structure ) S. Yamamoto (Y. Yamaguchi talk)

2005/03/05Detector KEK17 Muon Detector Part GLD V1 version Octagonal structure along Z-axis Alternating alignment for diagonal Three components front endcap ( inside of solenoid ) Endcap Barrel Absorber : Iron Active layer : Air (Reserved some gas ) 1st version of the Muon detector used at ACFA at Taipei

2005/03/05Detector KEK18 Muon detector size of GLD V1 700 [cm] Larger inner radius of CAL, SOL Longer solenoid length and z length

2005/03/05Detector KEK19 Current full geometry of Jupiter Hit part also finished MUDHit hit data at active layer MUDPreHit hit data at MUD front CALPostHit hit data at cal outer position Now we are ready for the MUD data analysis

2005/03/05Detector KEK20 Preliminaly test of muon detector μ-μ- γ e-e- 10 muons random direction injection 100 events Catch the muon at the front of MUD PDG code NHit Very preriminaly data!

2005/03/05Detector KEK21 Summary and the plan Now we finish the installation of CAL and MUD part geometry (Still we need some debug) We can start basic check following using Muon detector Forward region particle (Energy, PID) Muon ID generated inside of CAL (PID) Energy leakage from CAL (Energy, PID) Debugging and coding analysis part of Satellites.