Beam test results of Tilefiber EM calorimeter and

Beam test results of Tile/fiber EM calorimeter and Simulator construction status 2005/03/05 Detector meeting @KEK Niigata University ONO Hiroaki contents 1. Beam test results of EM CAL 2. Full simulator construction work 2005/03/05 Detector Meeting @ KEK

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 pi 2 beam line In March 2004. 2005/03/05 Detector Meeting @ KEK 2

Beam test module setup Tile size : 4 cmx 1 mm 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 2005/03/05 Detector Meeting @ KEK 3

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

Gain calibration scan • • • Use non-interacting particle (MIPs) for the gain calibration Fit function : Relative error : ΔPH/PH ～ 2. 0% Landau-Like function Fitting range : peak– 3σ ～ peak+5σ 2005/03/05 Detector Meeting @ KEK 5

Energy profile and linearity Deviation from the straight line ΔE/E < 2. 0% 2005/03/05 Detector Meeting @ KEK 6

Energy resolution Beam hit position Geant 4 simulation include photon statistics agree the beam test data ( center tile ) 2005/03/05 Detector Meeting @ KEK 7

Position resolution Residual plot of DC hit position and center of gravity position at each tile center 1 st 2 nd 3 rd Residual plot of x-axis Position resolution 4 Ge. V 3 rd super-layer 4 th 2005/03/05 5 th 6 th Detector Meeting @ KEK σx=5. 4 mm ± 0. 3 mm σy=4. 5 mm ± 0. 3 mm 8

Position resolution vs energy, layer Energy dependence : ( At the 3 rd super-layer ) 2005/03/05 Best position resolution achieved at shower maximum position Detector Meeting @ KEK 9

Response mapping and uniformity LEGO and CONTOR plot of 2 mm x 2 mm mesh response mapping at the center tile 2005/03/05 Detector Meeting @ KEK 10

Uniformity mapping along x-axis Mesh size : 1 mm x 1 cm Flat part(-1. 5～ 1. 5 cm) Mean : 1. 01 MIPs 2005/03/05 Zoom up of center flat part Uniformity : 1. 66%(RMS) Detector Meeting @ KEK 11

Precise measurement at fiber position At the fiber position, scintillator thickness is only 0. 2 mm -1. 8 mm -1. 7 mm Circle and square tiles are staggered in each super-layer 0. 5 x 5 mm mesh scan at the tile boundary No drops at the fiber position 2005/03/05 Detector Meeting @ KEK 12

Tiles corner response mapping Good light containment inside of the fiber glove. Light sharing at four tiles connected part. 2005/03/05 Detector Meeting @ KEK 13

Summary • Linearity : 2. 0% • Energy resolution : • Position resolution σx=5. 4 mm ± 0. 3 mm σy=4. 5 mm ± 0. 3 mm • 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 2005/03/05 Detector Meeting @ KEK 14

Jupiter geometry construction For real data Tools for simulation Tools JUPITER JLC Unified Particle Interaction and Tracking Emulato. R Satellites IO LEDA Input/Output module set Library Extention for METIS Data Analysis URANUS Unified Reconstruction and ANalysis Utility Set Monte-Calro Exact hits To Intermediate Simulated output Geant 4 based Simulator MC truth generator JSF/ROOT based Framework Event Reconstruction Detector geometry At the last year, no Muon detector and CAL cell structure in Jupiter 2005/03/05 Detector Meeting @ KEK 15

CAL part Default setup of CAL (Y. Yamaguchi talk) Lead-Scintillator sampling structure EM : 4 cm x 1 mm tile 4 mm-thick Pb (4: 1 sampling ratio) 38 layer (27 X 0) • HAD : 12 cm x 2 mm tile 8 mm-thick Pb (4: 1 sampling ratio) 130 layer (6. 5λ 0) Construction point S. Yamamoto • Different EM and HAD tile size can set • Sandwich structure combination ( for X-Y scinti structure ) 2005/03/05 Detector Meeting @ KEK 16

Muon Detector Part : Iron Active layer : Air (Reserved some gas ) Absorber 1 st version of the Muon detector used at ACFA at Taipei 2005/03/05 GLD V 1 version • Octagonal structure along Z-axis • Alternating alignment for diagonal • Three components • front endcap ( inside of solenoid ) • Endcap • Barrel Detector Meeting @ KEK 17

Muon detector size of GLD V 1 • Larger inner radius of CAL, SOL • Longer solenoid length and z length 845 530 430 700 375 450 [cm] 2005/03/05 Detector Meeting @ KEK 18

Current full geometry of Jupiter Hit part also finished • MUDHit • hit data at active layer • MUDPre. Hit • hit data at MUD front • CALPost. Hit • hit data at cal outer position Now we are ready for the MUD data analysis 2005/03/05 Detector Meeting @ KEK 19

Preliminaly test of muon detector γ μ- 10 muons random direction injection 100 events e. PDG code Catch the muon at the front of MUD Very preriminaly data! 2005/03/05 NHit Detector Meeting @ KEK 20

Summary and the plan n. Now we finish the installation of CAL and MUD part geometry (Still we need some debug) n. We can start basic check following using Muon detector n. Forward region particle (Energy, PID) n. Muon ID generated inside of CAL (PID) n. Energy leakage from CAL (Energy, PID) n. Debugging and coding analysis part of Satellites. 2005/03/05 Detector Meeting @ KEK 21