FGT Magnet C Assembly metric tons (59 US tons) -100mm thick steel plates -6.6m high x 3.1m wide x 1m deep (outer dimensions) -5m high x 2.25m wide x 1m deep (inner dimensions) -Nominal dimension between plates: 0.05m -8 “C”s per magnet half -16 “C”s total

Magnet Half Assembly Support Weldment -14,100 lbs (assume lbs) -Common steel shapes -8.35m x 3.02m x.76m -2 required Hilman Roller – XOT -4 each required per magnet half assembly support weldment -300 ton capacity -Accu-roll guide option -~$4000/roller

FGT magnet coil pancake m copper (same profile as UA1 magnet) lbs FGT magnet coil double pancake m copper (2 pancakes plus joiner)

FGT Magnet Coil Bobbin -Aluminum, 8.65m x 4.9m x 1.065m lbs

FGT Magnet Coil Assembly -8 double pancakes -41,812 Kg (92,000 lbs) -4 required

FGT Backward MUID Steel -Vertical plates (20’ x 7’ x 8” – 6.1m x 2.13m x.2m) -Vertical plate weight: 46,000 lbs -9 vertical plates -Base weldment – 40,000 lbs -Hilman 300-XOT Rollers with Accu-roll option (4 ea) -Overall weight: 453,000 lbs

FGT Forward MUID Steel -Vertical plates (20’ x 7’ x 8” – 6.1m x 2.13m x.2m) -Vertical plate weight: 46,000 lbs -15 vertical plates -Base weldment – 40,000 lbs -Hilman 300-XOT Rollers with Accu-roll option (4 ea) -Overall weight: 728,000 lbs

Button spacer 164mm H x 160mm V spacing Placeholder Preamp/logic card – 6 total HV connector block RPC active area: 1960mm x 960mm Bakelite 2m x 1m with HV electrode coating Edge Spacer/ Gas Seal Y strip plane 128 strips at 7.5mm pitch X strip plane, 256 strips at 7.65mm pitch

Spacer button Edge Spacer / Seal Gas Inlet Adapter

RPC 1m x 2m module Backward MUID steel shown with RPC module planes 8 planes required for Forward and Backward MUID

Magnet Barrel RPC assemblies – one of each required per magnet half assembly

Lead Sheet -215Kg (473 lbs) -1.65m x 3.27m x 3.5mm Scintillator X Slat -25mm x 10mm x 1631mm -One end of wave shifter fiber mirrored -.41Kg (0.9 lb) -128 slats -One SiPM per slat FGT Barrel ECAL odd numbered layers

FGT Barrel ECAL even numbered layers Scintillator Y slat mm long, -.82Kg (1.8lb) -64 each -2 SiPMs per slat Lead Sheet -215Kg (473 lbs) -1.65m x 3.27m x 3.5mm

Front End Board – ECAL version -160mm wide x 90mm high -64 channel VMM chip -Zero suppression using time stamped time over threshold signal -LVDS connection to Back End Board -64 micro USB connectors both sides of board (1 per SiPM) Back End Board -300 mm wide x 200mm high -Support for up to 48 front end boards -Fiber optic link to DAQ racks Placeholder connector HDMI Micro USB connector – both sides of board (64 total)

This packaging of the SiPM is assumed for the FGT ECAL modules

FGT Barrel ECAL Module (16 for Barrel, 2 for Backward ECAL) -8 each even numbered layers -8 each odd numbered layers -~5000Kg Back End Board (Services 32 Front End Boards) Front End Board (64 Channel) – 32 total

FGT Barrel ECAL Front End Board (32 total) Back End Board

Forward ECAL - concept -128 each 25mm x 10mm x mm scintillator slats -Each scintillator slat weighs.82 Kg -Each end read out by SiPM -Layer assembly works as X or Y -Current version has 30 layers of X and 30 layers of Y alternating layer by layer -Lead layer: mm x mm x 1.5mm (multiple sheets) backed by a brass sheet 0.5mm thick 183.3Kg for the lead and 45.5Kg for the brass

Overall dimensions: 3.6m x 3.6m x.81m 22 metric tons

Backward ECAL (2 Barrel ECAL modules) 10 metric tons Back End Board Array (1 back end board per XXYY straw module) Forward ECAL 22 metric tons

Straw Tube Chamber IO Board Placeholder -Assumes surface mounted components because of limited space inside straw tube chamber frame -Needs to provide bias to anode wires and provide isolation in case of a broken anode wire -Need capacitive coupling of anode wire signal -Need impedance control of straw (~170 ohm from Compass thesis)

Straw Module IO Board Front End Board (64 Channels) Buffer Readout Driver FPGA Event Builder Module Back End Board Services 48 (64) Front end boards? Services X? Readout Merger Boards

Front End Board Placeholder (straw tube version) -HDMI connector -DC power -Clock -Data out -Control logic -Card Edge connectors connecting to straw module IO board -64 channel VM chip -FPGA for zero suppression and data formatting -175mm x 60mm Back End Board Placeholder (200mm x 300mm) -Supports 48 each Front End Boards -Front End Board power distribution -Front End Board clock distribution -Front End Board control -Fiber optic link to DAQ -Control logic from DAQ VMM chip FPGA HDMI Connector -19 contacts -Cables w/ 24 gauge wire available

Straw Tube Detector Basket Placeholder -Currently assumed to be an aluminum weldment made of aluminum square tubing ~3000 lbs (in final configuration) -3.8m wide x 3.6m high x 6.8m deep -Basic idea is to stabilize the straw tube modules with significant support coming from below (the aluminum support structure)

FGT aluminum support structure weldment -3.8m wide x 2.5m high x 9.1m deep -11,200 lbs => ~$110,000 assuming $10/lb

Straw Tube Tracker foot -Estimated weight: 967Kg (2127lbs) -Weldment of 0.75” aluminum plate -3.8m wide x 2.5m high x 0.3m deep -Estimated cost assuming $8/lb $17K Aluminum Cost -0.75” plate 4’ x 8’ (338 lbs) -Metal Depot price: $1873 per plate for an order of 10 plates => $5.54/lb

Services Holes 137mm x 162mm – 17 places

Straw Tube VMM front end board Straw Tube IO board

62mm 78.5mm Straw Tube XX YY Assembly -Upstream part of Tracker -34 Assemblies -Space left for a target assembly Straw Tube XX YY with Polypropylene targets -46 Assemblies (transition radiation detection) -Different gas mixture for x-ray detection – addition of Xenon

Polypropylene Foil Target -Aluminum frames pop riveted together squeezing 60 each 25micron foils (125 micron air space between foils) -Overall target thickness – 9mm -Each foil weighs.266Kg -The aluminum frames weigh ~5Kg and could be aluminum strips -A 60 foil target weighs 20Kg -A 75 foil target weighs 25Kg (~100 micron air space between foils) -4 polypropylene target assemblies are required for each of the 46 XX YY assemblies that are part of the transition radiation detector

Targets – more work to be done -Assumed to be a US responsibility -High pressure argon gas detector would be interesting (requires 500 KSI material possibly available through Spencer composites) -Carbon target for subtraction of carbon from polypropylene -Calcium targets have been proposed -Water and deuterated water targets have been proposed -Hi pressure hydrogen or deuterium gas targets? -Significant safety issue