Pre-production June 2021 Concept

This tag holds the June 2021 concept BEFORE we start testing the reconstruction. There will be some debugging to be done and a v1.0 will be released before we launch full production.

Detector configuration table:

Detector	Component Name	Brief description	Location	Dimension	Fast/Full geometry?	g4detector code ready?	Reference implimentation in https://github.com/eic/fun4all_eicmacros	ECCE macros done? (by sim team)	Open Action Item	Notes
Field map								Y		standard with field return. Open return map available
Beam pipe	Central Beam Pipe	Be pipe	IP	R=3cm, -60-80cm	Full	y	https://github.com/eic/fun4all_eicmacros/blob/master/common/G4_Pipe_EIC.C#L75	Y		Suggest to further add +2um Au coating for SynRad control
Beam pipe	Central Beam Chamber	Beam chamber Mar2020 model	IP	-4.5m to 4.5m	Full	y	https://github.com/eic/fun4all_eicmacros/blob/master/common/G4_Pipe_EIC.C#L105	Y		To be upgrade to new model by project
Tracking	Barrel vertex	ITS3	See "Tracking reference layout"	Full	y		Y	Double check tracking association
Tracking	Barrel silicon		Full	y
Tracking	Barrel MPGD				Fast	y		Y	Swtitch to Ar:CO2:CF4 in 45:15:40 % ratio considering 45 microns spatial resolution is with this gas mixture.
Tracking	h-going silicon layers		See "Tracking reference layout"		Fast	y		Y
Tracking	e-going silicon layers			Fast	y		Y
Tracking	h-going GEM				Fast	y		Y	Update to EIC prototype geometry description	~ePHENIX GEM design as of now, use 70um resolution
Tracking	e-going GEM				Fast	y		Y
Tracking	Support barrel				Fast	y		Y		0.2cm CFRP support barrel
Calorimetry	Backward EMCal	Hybrid	Z_start=190 cm (offset from center)	Thickness = 60 cm (detector length)				ePHENIX	Pending implimentation	Use ePHENIX PbWO4-Xtal when hybrid being developped
Calorimetry	Backward HCal	STAR						Y	Check digitization-reco chain	Outside the barrel HCal
Calorimetry	Barrel EMCal	sPHENIX						ePHENIX		Full model in development
Calorimetry	Barrel HCal	sPHENIX			Full	y		Y		Including full model of EMCal active support structure
Calorimetry	Forward EMCal	PHENIX						Y
Calorimetry	Forward HCal	new						ePHENIX
PID	e-going TOF		Z_start=??		Fast	y		Y	Confirm projection reconstruction
PID	h-going TOF							Y
PID	barrel TOF							Y
PID	mRICH		See "PID reference layout"	Full	y		Y		Reco. integration in progress
PID	dRICH		Fast	y		Y	missing window and mirror materials, fast PID	Could have a few week delay, use stand-in or FastSim if needed
PID	hpDIRC		Fast	y		Y	Need to impliment fast PID	Could have a few week delay, use stand-in or FastSim if needed
Far-forward	ZDC		Z_center=37.50 m, X_center=96 cm, rotation in Y = 0.0256 rad	60cm x 60 cm x 2 m	Full	y		Y
Far-forward	B0 tracker		Z_center=5.55 m	Thickness 20cm, radius 10cm, Pacman shape with 120 degree opening angle for hadron beam pipe + hole for electron beam pipe	Fast	y		Y
Far-forward	B0 calo		Z_center=5.8 m	Thickness 10cm, radius 10cm, Pacman shape with 120 degree opening angle for electron beam pipe + hole for hadron beam pipe				N	Miss working reference implimentation in Fun4All
Far-forward	Roman-pots		Layer 1: xyz = (84.49,0,2600) [cm] Layer 2: xyz = (93.59,0,2800) [cm]		Fast			Y
Far-forward	Far-forward beam pipe	We are concern that it is not in correct place. Preffer to run without it						Y
Far-forward	Off Momentum 1		Z_center=22.5, x_center = 0.8m	Width = 30cm, height=30cm				Y
Far-forward	Off Momentum 2		Z_center=24.5, x_center = 0.85m	Width = 30cm, height=30cm				Y