Tail-Catcher/Muon Tracker Prototype Vishnu V. Zutshi for NIU/NICADD

Goals for the TC/Muon System 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 + eflow fake rate 9/17/2018 V. Zutshi, ECFA, Durham

Leakage 9/17/2018 V. Zutshi, ECFA, Durham

Shower Depth Shower depth dependent sampling weights (least squares minimization) are calculated with and without tail-catcher energy. Weights for layers get progressively “frozen”. 9/17/2018 V. Zutshi, ECFA, Durham

Erec/Egen 50 GeV p 9/17/2018 V. Zutshi, ECFA, Durham

Single particle E Resolution 9/17/2018 V. Zutshi, ECFA, Durham

E correlation (with “coil”) 9/17/2018 V. Zutshi, ECFA, Durham

Multiple Scattering 9/17/2018 V. Zutshi, ECFA, Durham

50 GeV p± 9/17/2018 V. Zutshi, ECFA, Durham

HCal Table 9/17/2018 V. Zutshi, ECFA, Durham

HCal & TCMT 9/17/2018 V. Zutshi, ECFA, Durham

<90%> Containment 9/17/2018 V. Zutshi, ECFA, Durham

Rotations 9/17/2018 V. Zutshi, ECFA, Durham

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Design Elements “Fine” section (8 layers) 2cm thick steel “Coarse” section (8 layers) 10cm thick steel 5mm thick, 5cm wide strips Tyvek/VM2000 wrapping Alternating x-y orientation Si-PM photo detection Common readout with HCal 9/17/2018 V. Zutshi, ECFA, Durham

Fermi-NICADD Extruder 9/17/2018 V. Zutshi, ECFA, Durham

Die 9/17/2018 V. Zutshi, ECFA, Durham

Bulk LY BC404 3.25  0.22 BC408 2.70  0.15 F-NICADD 2.01  0.30 (~66% of BC408) averaged over 10 samples 9/17/2018 V. Zutshi, ECFA, Durham

Separation Grooves Provides better rigidity Epoxy/paint mixture 1 2 3 4 5 Epoxy/paint mixture 9/17/2018 V. Zutshi, ECFA, Durham

Strips 9/17/2018 V. Zutshi, ECFA, Durham

X-talk 9/17/2018 V. Zutshi, ECFA, Durham

Grooving 9/17/2018 V. Zutshi, ECFA, Durham

Response SMALL HOLE WLS FIBER INSIDE TRIGGER1, PE TRIGGER2, PE BIG HOLE GLUED 14.36 GROOVE 0.063 12.34 GROOVE 0.078 13.9 11.8 GROOVE 0.117 14.39 12.7 GROOVE 0.156 13.27 SMALL HOLE 15.2 13.1 9/17/2018 V. Zutshi, ECFA, Durham

Uniformity (Grooves) 9/17/2018 V. Zutshi, ECFA, Durham

Uniformity (small holes) 9/17/2018 V. Zutshi, ECFA, Durham

Longitudinal Scan 9/17/2018 V. Zutshi, ECFA, Durham

Cassette I 1mm thick steel walls Electronics sit here LED’s sit here 9/17/2018 V. Zutshi, ECFA, Durham

Cassette II 9/17/2018 V. Zutshi, ECFA, Durham

Cassette III 9/17/2018 V. Zutshi, ECFA, Durham

LED Stability studies underway 9/17/2018 V. Zutshi, ECFA, Durham

Absorber and Cart Good quality steel plates from Fermi scrap available (0.75 and 4 inches thick). Maximum size for the thicker plates is 1.066m x 1.2m. Cart being designed with about 10 tonne load capacity. Will have the capability for forward-backward and left-right motion. 9/17/2018 V. Zutshi, ECFA, Durham

Quality Control I Hole Tolerance Width and thickness measurements Dopant presence Attenuation length measurements Longitudinal and horizontal scans 9/17/2018 V. Zutshi, ECFA, Durham

Quality Control II 9/17/2018 V. Zutshi, ECFA, Durham

Quality Control III 9/17/2018 V. Zutshi, ECFA, Durham

Summary Strip-fiber R&D essentially done, we are entering construction phase. All the scintillator required for the device has been produced. Mechanical prototype cassette assembled. Hope to have the first fully instrumented layer readout before year-end. 9/17/2018 V. Zutshi, ECFA, Durham