Geometry matrix differences

	A	B	C	D	E	F	G	H	I	J	K	L	M	N
1	Region	Component	Sub-Component	WBS	Length (cm)	Inner Radius (cm)	Outer Radius (cm)	Offset from Center (cm)	Physical Start (cm)	Physical End (cm)	Volume (m3)	Weight (kg)	Technology	Notes
2	HADRON DIRECTION END CAP	HD Flux Return (Collar)			170	269	326.2	414.6	329.6	499.6	18.18	142,679	Iron	Offset: measured from center. Weight estimated as 100% iron.
3		Hadron Calorimeter		6.10.06	140	27.5	267	359.6	359.6	499.6	31.02	198,628	FeSc, WSc last segment	Tower size: 5cm x 5cm x 140cm including 10cm readout Offset: measured from face nearest to interaction point Weight: estimated as 79% iron and 21% plastic Inner radius is driven by the size and shape of the beam pipe.
4		HD Flux Return (Oculus)			22.2	195	267	340.7	329.6	351.8	2.32	18,205	Iron	Offset: measured from center. Weight estimated as 100% iron.
5		Electromagnetic Calorimeter		6.10.05	30	20.5	195	329.6	329.6	359.6	3.54	22,911	Pb/Sc	Tower size: 2.5 cm x 2.5 cm x 30 cm including readout 10cm Offset: measured from face nearest to interaction point Weight: estimated as 85% lead glass and 15% steel Inner radius is driven by the size and shape of the beam pipe.
6		Service Gap			9.6			320	320	329.6				Offset: measured from location nearest to interaction point
7	CENTRAL DETECTOR	Dual RICH		6.10.04	127	22	180	325	198	325	10.62	1,973	Aerogel/Gas	Offset: measured from face farthest from the interaction point Volume: calculated as sum of the sub-sections Weight: based on parametric estimate from CLAS LTCC The inner radius of the detector and aerogel sections reflects that the detector is anticipated to be made as one module, which must fit over the forward (HD) flange. If constructed from wedges, the detector envelope could extend inward to a radius of 14 cm.
8			Detector Section		94	22	180	231	231	325	9.43			Offset: measured from face nearest to interaction point
9			Aerogel Section		33	22	109.413	198	198	231	1.19			Offset: measured from face nearest to interaction point. Aerogel section includes the forward window.
10		HD Time of Flight/Tracker		6.10.03	5	10.5	60	185	185	190	0.05	11	AC/LGAD	Offset: measured from face nearest to interaction point Weight: based on parametric estimate from SBS Gem
11		Barrel Flux Return			640	269	326.2	0	-320	320	68.45	349,145	Iron	Offset: measured from center. Weight estimated as 65% iron.
12		Barrel Hadron Calorimeter		6.10.06	639.25	180	268.2	0	-319.625	319.625	73.71	471,922	FeSc	Offset: measured from center. Volume: calculated as sum of the sub-sections Weight: estimated as 79% iron and 21% plastic
13			HD Section		169.625	194.25	268.2	234.813	150	319.625	18.22			Offset: measured from face nearest to interaction point
14			Central Section		300	180	268.2	0	-150	150	37.26			Offset: measured from center of detector
15			LD Section		169.625	194.25	268.2	-234.81	-319.625	-150	18.22			Offset: measured from face nearest to interaction point
16		Solenoid Magnet		6.10.07	384	142	177	-10	-202	182	13.47	45,956	Solenoid	Weight: based on parametric estimate from CLEO II
17		Barrel HD EMCal Support			26.67	115.8	194	200	186.665	213.335	2.03	7,399	Steel	Offset: measured from center. Weight estimated as 100% steel.
18			Exterior Plate		26.67	185.4	194	200	186.665	213.335	0.27	2,146	Steel	Offset: measured from center. Weight estimated as 100% steel.
19			Support Ring		10.16	115.8	185.4	200	194.92	205.08	0.67	5,253	Steel	Offset: measured from center. Weight estimated as 100% steel.
20		Barrel EMCal		6.10.05	470	82.5	116	-38.75	-273.75	196.25	9.18	31,475
21			Exterior Cover		460	114	116	-38.75	-268.75	191.25	0.66			Material needs to be specified for weight calculation
22			Imaging Part		440	82.5	96	-38.75	-258.75	181.25	3.33	11,685	Pb+Sc+Si	Weight: based on parametric estimate from CMS EMCal
23			Sampling Part		440	96	114	-38.75	-258.75	181.25	5.23	18,330	PB+Sc	Weight: based on parametric estimate from CMS EMCal
24			LD Readout Electronics		15	82.5	116	-258.75	-273.75	-258.75	0.31	730		Offset: measured from face nearest to interaction point. Weight calculated as silicon.
25			HD Readout Electronics		15	82.5	116	181.25	181.25	196.25	0.31	730		Offset: measured from face nearest to interaction point. Weight calculated as silicon.
26		Barrel LD EMCal Support			26.67	115.8	194	-222.25	-235.585	-208.915	2.03	7,399	Steel	Offset: measured from center. Weight estimated as 100% steel.
27			Exterior Plate		26.67	185.4	194	-222.25	-235.585	-208.915	0.27	2,146	Steel	Offset: measured from center. Weight estimated as 100% steel.
28			Support Ring		10.16	115.8	185.4	-222.25	-227.33	-217.17	0.67	5,253	Steel	Offset: measured from center. Weight estimated as 100% steel.
29		Integrated DIRC/MPGD Detector		6.10.04	488	72.5	108	-273	-303	185	3.09	1,344		Detector is totally enclosed by DIRC Support. This is the entire envelope of the detector + readout Weight: calculated as sum of sub-components
30			Dirc Bar/MPGD Support		458	73.3	81	-273	-273	185	1.71	671	Steel	DIRC Support is surrounded by a 1/2 centimeter cover constructed from 48 segments. Weight: estimated as 5% of total volume as steel (balance is air & detector)
31			DIRC Readout Support		30	73.3	108	-273	-303	-273	0.3	116	Steel	Readout support is triangular frame, therefore volume is halved. Weight: estimated as 5% of total volume as steel (balance is air & detector)
32			DIRC Bar Box		458	75.5	78.6	-273	-273	185	0.69	478	Fused silica bars	Weight: calculated as 30% quartz (balance is air & support system) Offset measured from connection point between readout and bar box.
33			Inner MPGD		339	72.5	75	5	-164.5	174.5	0.39	79	MPGD	Weight: based on parametric estimate from SBS Gem Offset: measured from center.
34		Barrel Time of Flight/Tracker		6.10.03	289	62	69.5	27	-117.5	171.5	0.9	179	AC/LGAD	Weight: based on parametric estimate from SBS Gem Length in z needs to be determined
35		HD MPGD 2			2.5	9	50	161	161	163.5	0.02	3.80412603		Weight: based on parametric estimate from SBS Gem Offset: measured from face nearest to interaction point
36		HD MPGD 1			2.5	9	50	148	148	150.5	0.02	3.80412603		Weight: based on parametric estimate from SBS Gem Offset: measured from face nearest to interaction point
37		Inner Tracker (Micromegas)		6.10.03	248	55	60	19	-105	143	0.18	48	MPGD	Weight: calculated as sum of sub-components
38			Micromega 1		67	57.5	60	-71.5	-105	-38	0.06	12	MPGD	Weight: based on parametric estimate from SBS Gem Offset measured from center.
39			Micromega 2		67	55	57.5	-14.5	-48	19	0.06	12	MPGD	Weight: based on parametric estimate from SBS Gem Offset measured from center.
40			Micromega 3		67	55	57.5	52.5	19	86	0.06	12	MPGD	Weight: based on parametric estimate from SBS Gem Offset measured from center.
41			Micromega 4		67	57.5	60	109.5	76	143	0.06	12	MPGD	Weight: based on parametric estimate from SBS Gem Offset measured from center.
42		Inner Tracker (Si Barrel)		6.10.03	80	3.6	42.5	0	-40	40	0.02	40	MAPS	Weight: calculated as sum of sub-components
43			Si Layer 1		27	3.6	4.1	0	-13.5	13.5	0	1	Silicon	Offset measured from center.
44			Si Layer 2		27	4.8	5.3	0	-13.5	13.5	0	1	Silicon	Offset measured from center.
45			Si Layer 3		27	12	12.5	0	-13.5	13.5	0	2	Silicon	Offset measured from center.
46			Si Layer 4		54	27	27.5	0	-27	27	0	11	Silicon	Offset measured from center.
47			Si Layer 5		80	42	42.5	0	-40	40	0.01	25	Silicon	Offset measured from center.
48		Inner Tracker (Si Disks)		6.10.03	242.5	3.676	43	15	-106.25	136.25	0.75	403	MAPS	Weight: calculated as sum of sub-components
49			HD Disk 1		2.5	3.676	23	25	23.75	26.25	0	9	Silicon	Offset: measured from center.
50			HD Disk 2		2.5	3.676	43	45	43.75	46.25	0.01	34	Silicon	Offset: measured from center.
51			HD Disk 3		2.5	3.842	43	70	68.75	71.25	0.01	34	Silicon	Offset: measured from center.
52			HD Disk 4		2.5	5.443	43	100	98.75	101.25	0.01	33	Silicon	Offset: measured from center.
53			HD Disk 5		2.5	7.014	43	135	133.75	136.25	0.01	33	Silicon	Offset: measured from center.
54			LD Disk 1		2.5	3.676	23	-25	-26.25	-23.75	0	9	Silicon	Offset: measured from center.
55			LD Disk 2		2.5	3.676	43	-45	-46.25	-43.75	0.01	34	Silicon	Offset: measured from center.
56			LD Disk 3		2.5	3.676	43	-65	-66.25	-63.75	0.01	34	Silicon	Offset: measured from center.
57			LD Disk 4		2.5	4.006	43	-85	-86.25	-83.75	0.01	34	Silicon	Offset: measured from center.
58			LD Disk 5		2.5	4.635	43	-105	-106.25	-103.75	0.01	33	Silicon	Offset: measured from center.
59		LD MPGD 1			2.5	4.635	50	-110	-112.5	-110	0.02	3.89772228		Weight: based on parametric estimate from SBS Gem Offset: measured from face nearest to interaction point
60		LD MPGD 2			2.5	4.635	50	-120	-122.5	-120	0.02	3.89772228		Weight: based on parametric estimate from SBS Gem Offset: measured from face nearest to interaction point
61		Proximity Focusing RICH		6.10.04	45	9.5	65	-146	-168.5	-123.5	0.58	108.612729	Aerogel + Gas	Alternative Technology to mRICH Offset: measured from center. Weight: based on parametric estimate from CLAS LTCC
62		LD EMCal		6.10.05	60	9.5	65	-175	-235	-175	0.78	5,038	PbWO4	Offset: measured from face nearest to interaction point Weight: estimated as 85% lead glass and 15% steel
63		Service Gap			11			-320	-331	-320				Offset: measured from location nearest to interaction point
64	LEPTON DIRECTION ENDCAP	LD Flux Return (Oculus)			28.5	213.6	267	-345.25	-359.5	-331	2.3	18,031	Iron	Offset: measured from center. Weight estimated as 100% iron.
65		LD Flux Return (Collar)			120.4	269	326.2	-391.2	-451.4	-331	12.88	101,051	Iron	Offset: measured from center. Weight estimated as 100% iron.
66		Backward HCal		6.10.06	45	12.4	267	-395	-440	-395	10.06	64,390	FeSc, WSc	Offset: measured from face nearest to interaction point Weight: estimated as 79% iron and 21% plastic
67		LD Flux Return (Exterior)			10	12.4	267	-445	-450	-440	2.23	17,536	Iron	Offset: measured from center. Weight estimated as 100% iron.
68	DESIGN ALTERNATIVES
69	CENTRAL DETECTOR ALTERNATIVES	Modular RICH		6.10.04	42.7	8	63	-130	-172.7	-130	0.52	97	Aerogel	Alternative Technology pfRICH (see alternatives table below) Offset: measured from face nearest to interaction point Weight: based on parametric estimate from CLAS LTCC
70		Barrel EMCal Alternative		6.10.05	497.91	78.72	132.85	-49.685	-298.64	199.27	17.91	49,434		Weight: calculated as sum of sub-components
71			EMCal Outer Surface		497.91	130.5	132.85	-49.685	-298.64	199.27	0.97	2,623	Aluminum	Weight: calculated as 100% Aluminum
72			EMCal Electronics		497.91	120.5	130.5	-49.685	-298.64	199.27	3.93	2,287	Near eta=0	Weight: calculated as 25% silicon (balance is air)
73			EMCal Crystals		497.91	80.5	120.5	-49.685	-298.64	199.27	12.58	44,119	Sci Glass	Weight: based on parametric estimate from CMS EMCal
74			EMCal Inner Surface		497.91	80.2	80.5	-49.685	-298.64	199.27	0.08	204	Aluminum	Weight: calculated as 100% Aluminum
75			Offset (Air)		497.91	79.02	80.2	-49.685	-298.64	199.27	0.29	0	Air	Air
76			Aluminum plate		497.91	78.72	79.02	-49.685	-298.64	199.27	0.07	201	Aluminum	Weight: calculated as 100% Aluminum
77		Inner Tracker (Si, MPGD)		6.10.03	298.6	3.6	60	30.7	-118.6	180	3.36	509	MAPS	Alternative based on pfRich. This envelope includes the Si disks in the lepton and hadron direction as well as the barrel tracker. Weight: calculated as 3% aluminum and 3% silicon (balance is air)
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