Tail Catcher/Muon Tracker at DESY & FNAL TB Facilities

Northern Illinois Center for Accelerator and Detector DevelopmentNorthern Illinois University

andDeutsches Elektronen-Synchrotron (DESY)

CALICE TCMT (Tail Catcher/Muon Tracker)

• Provide a reasonable snapshot of the tail-end of the shower for simulation validation

• Prototype detector with high-fidelity to what is imagined for a generic LCD

correcting for leakage

understanding the impact of coil muon reconstruction + PFA fake rate

• Designed to test new detector technology (Silicon photomultipliers) for the ILC

CALICE TCMT (Tail Catcher/Muon Tracker)

Silicon Photomultiplier

Extruded Scintillator

Diagram of Full Detector

Stack designed and assembled at Fermi

Beam Test at DESY(not to scale)

Collimator

Fingercounters(trigger)

TCMT(blue)

AHCAL(black)

Oct.-Nov. 2005

TCMT Strips

AHCAL Tiles

3 GeV/c Events in TCMT and AHCAL

Transverse scan

Beam Test at Fermilab in February 2006

Fingercounters(trigger) TCMT

cassette

CALICE TCMT

Calibration data showing single Photoelectron separation

• Moved into the facility 3rd week of Feb.

• Took beam in the last week ~ 5 days• Took 120 GeV/c protons, 16 GeV/c

(mostly pions) and some beam dump muon runs

• Calice DAQ Electronics chain reproduced and tested

Raw ADC count from120 GeV proton beam

On Avg. 10-12 p.e./mip

Pedestal subtracted

noise

signal

Plans

• Participation in the combined test beam at CERN.

• Approximately 1 month (August-October) of beam time

• Followed by longer tests at Fermilab in 2007