David Rodríguez Piñeiro GSI Darmstadt PANDA Collaboration Meeting GSI 11. 12. 2008
25
PANDA Collaboration Meeting Backward Endcap Calorimeter Tapered Crystals: (Off-Point 3000 and Off-Point 794 Geometries) David Rodríguez Piñeiro David Rodríguez Piñeiro GSI Darmstadt GSI Darmstadt PANDA Collaboration Meeting PANDA Collaboration Meeting GSI GSI 11. 12. 2008 11. 12. 2008
-
Upload
jerry-frederick -
Category
Documents
-
view
21 -
download
0
description
David Rodríguez Piñeiro GSI Darmstadt PANDA Collaboration Meeting GSI 11. 12. 2008. PANDA Collaboration Meeting Backward Endcap Calorimeter Tapered Cr ystals: (Off-Point 3000 and Off-Point 794 Geometries). Backward Endcap EMC. 1.– Requirements - Boundary Conditions - Dimensions - PowerPoint PPT Presentation
Transcript of David Rodríguez Piñeiro GSI Darmstadt PANDA Collaboration Meeting GSI 11. 12. 2008
PANDACollaboration MeetingBackward Endcap Calorimeter
Tapered Crystals: (Off-Point 3000 and Off-Point 794
Geometries)
David Rodríguez PiñeiroDavid Rodríguez PiñeiroGSI DarmstadtGSI Darmstadt
PANDA Collaboration MeetingPANDA Collaboration MeetingGSIGSI
11. 12. 200811. 12. 2008
09/12/200809/12/2008 David Rodríguez Piñeiro - GSI Darmstadt - Collaboration MeetingDavid Rodríguez Piñeiro - GSI Darmstadt - Collaboration Meeting 22
Backward Endcap EMCBackward Endcap EMC
1.– Requirements- Boundary Conditions- Dimensions- Alveoles
2.– Off-Point 3000 Geometry- Distance to the target- Inner Radius- Beam Cone Angle- Wedge Hollow- 150 mm Crystals
3.– Off-Point 794 Geometry- Distance to the target- Inner Radius- 150 mm Crystals
4.- Summary
09/12/200809/12/2008 David Rodríguez Piñeiro - GSI Darmstadt - Collaboration MeetingDavid Rodríguez Piñeiro - GSI Darmstadt - Collaboration Meeting 33
Backward Endcap EMCBackward Endcap EMC
Distance Target-BW Endcap 560 mm
Maximum Outer Radius 448 mm
Minimum Inner Radius 150 mm
Boundary Conditions 1.– Requirements
- Boundary Conditions
- Dimensions (I)
- Dimensions (II)
- Dimensions (III)
- Alveoles (I)
- Alveoles (II)
- Alveoles (III)
2.– Off-Point 3000 Geometry
3.– Off-Point 794 Geometry
4.- Summary
09/12/200809/12/2008 David Rodríguez Piñeiro - GSI Darmstadt - Collaboration MeetingDavid Rodríguez Piñeiro - GSI Darmstadt - Collaboration Meeting 44
Backward Endcap EMCBackward Endcap EMC
Dimensions (I)
Free outer space (safety and mounting space) 10 mm
Insulation system 30 mm
Safe distance between alveoles and insulation system
2 mm
1.– Requirements
- Boundary Conditions
- Dimensions (I)
- Dimensions (II)
- Dimensions (III)
- Alveoles (I)
- Alveoles (II)
- Alveoles (III)
2.– Off-Point 3000 Geometry
3.– Off-Point 794 Geometry
4.- Summary
09/12/200809/12/2008 David Rodríguez Piñeiro - GSI Darmstadt - Collaboration MeetingDavid Rodríguez Piñeiro - GSI Darmstadt - Collaboration Meeting 55
Backward Endcap EMCBackward Endcap EMC
Crystals Dimension
Off-Point 3000 Geometry
Off-Point 794 Geometry
Length 200 mm 200 mm
Back Face 26x26 mm 26x26 mm
Front Face 24,374x24,374 mm 20,742x20,742 mm
Picture
(2 normal faces)
1.– Requirements
- Boundary Conditions
- Dimensions (I)
- Dimensions (II)
- Dimensions (III)
- Alveoles (I)
- Alveoles (II)
- Alveoles (III)
2.– Off-Point 3000 Geometry
3.– Off-Point 794 Geometry
4.- Summary
Dimensions (II)
09/12/200809/12/2008 David Rodríguez Piñeiro - GSI Darmstadt - Collaboration MeetingDavid Rodríguez Piñeiro - GSI Darmstadt - Collaboration Meeting 66
Backward Endcap EMCBackward Endcap EMC
1.– Requirements
- Boundary Conditions
- Dimensions (I)
- Dimensions (II)
- Dimensions (III)
- Alveoles (I)
- Alveoles (II)
- Alveoles (III)
2.– Off-Point 3000 Geometry
3.– Off-Point 794 Geometry
4.- Summary
Dimensions (III)
09/12/200809/12/2008 David Rodríguez Piñeiro - GSI Darmstadt - Collaboration MeetingDavid Rodríguez Piñeiro - GSI Darmstadt - Collaboration Meeting 77
Backward Endcap EMCBackward Endcap EMC
Crystals Number
Picture
Subunit 16
Half Subunit 8
Quarter Subunit 4
Single Crystal Box 1
1.– Requirements
- Boundary Conditions
- Dimensions (I)
- Dimensions (II)
- Dimensions (III)
- Alveoles (I)
- Alveoles (II)
- Alveoles (III)
2.– Off-Point 3000 Geometry
3.– Off-Point 794 Geometry
4.- Summary
Alveoles (I)
09/12/200809/12/2008 David Rodríguez Piñeiro - GSI Darmstadt - Collaboration MeetingDavid Rodríguez Piñeiro - GSI Darmstadt - Collaboration Meeting 88
Backward Endcap EMCBackward Endcap EMC
1.– Requirements
- Boundary Conditions
- Dimensions (I)
- Dimensions (II)
- Dimensions (III)
- Alveoles (I)
- Alveoles (II)
- Alveoles (III)
2.– Off-Point 3000 Geometry
3.– Off-Point 794 Geometry
4.- Summary
Alveoles (II)
09/12/200809/12/2008 David Rodríguez Piñeiro - GSI Darmstadt - Collaboration MeetingDavid Rodríguez Piñeiro - GSI Darmstadt - Collaboration Meeting 99
Backward Endcap EMCBackward Endcap EMC
1.– Requirements
- Boundary Conditions
- Dimensions (I)
- Dimensions (II)
- Dimensions (III)
- Alveoles (I)
- Alveoles (II)
- Alveoles (III)
2.– Off-Point 3000 Geometry
3.– Off-Point 794 Geometry
4.- Summary
Alveoles (III)
Off-P3000 GeometryAngles (º)
Off-P794 GeometryAngles (º)
SubunitsHalf SubunitQuarter Subunit
1 - 3 - 5 - 7 3 - 9,5 - 16 – 22
Single Crystal Boxes
0,5 - 1,5 - 2,5 3,5 - 4,5 - 5,5 6,5
1,57,875
14,37520,5
----
4,62511,12517,523,5
Minimum distance between alveoles: 0,75 mm
09/12/200809/12/2008 David Rodríguez Piñeiro - GSI Darmstadt - Collaboration MeetingDavid Rodríguez Piñeiro - GSI Darmstadt - Collaboration Meeting 1010
Backward Endcap EMCBackward Endcap EMC
2.– Off-Point 3000 Geometry
09/12/200809/12/2008 David Rodríguez Piñeiro - GSI Darmstadt - Collaboration MeetingDavid Rodríguez Piñeiro - GSI Darmstadt - Collaboration Meeting 1111
Backward Endcap EMCBackward Endcap EMC
1.– Initial Data
2.– Off-Point 3000 Geometry
- Distance to the target (I)
- Distance to the target (II)
- Inner Radius
- Beam Cone Angle
- Wedge Hollow (I)
- Wedge Hollow (II)
- 150 mm Crystals
3.– Off-Point 794 Geometry
4.- Summary
Distance from target to crystals 594 mm (560 mm free space)
Limit angle of the barrel is 39º
Maximum angle outer crystal BW endcap 29,948º
So, we would need to shift the BW endcap forwards, leaving a free space of 387,94 mm
Distance to the target (I)
09/12/200809/12/2008 David Rodríguez Piñeiro - GSI Darmstadt - Collaboration MeetingDavid Rodríguez Piñeiro - GSI Darmstadt - Collaboration Meeting 1212
Backward Endcap EMCBackward Endcap EMC
30% Closer to the Target (free distance 530,783 mm)
Maximum angle outer crystal BW endcap 31,41º
Distance to the target (II) 1.– Initial Data
2.– Off-Point 3000 Geometry
- Distance to the target (I)
- Distance to the target (II)
- Inner Radius
- Beam Cone Angle
- Wedge Hollow (I)
- Wedge Hollow (II)
- 150 mm Crystals
3.– Off-Point 794 Geometry
4.- Summary
09/12/200809/12/2008 David Rodríguez Piñeiro - GSI Darmstadt - Collaboration MeetingDavid Rodríguez Piñeiro - GSI Darmstadt - Collaboration Meeting 1313
Crystals in the BW endcap according to the inner Radius
150,
51; 4
52,0
0
146,
14; 4
60,0
0
145,
00; 4
64,0
0
144,
50; 4
72,0
0
137,
15; 4
80,0
0
128,
58; 4
88,0
0
127,
54; 4
96,0
0
121,
25; 5
04,0
0
69,6
0; 580
,00
119,
35; 5
12,0
0
114,
25; 5
20,0
0
111,
68; 5
24,0
0
103,
02; 5
32,0
0
95,5
6; 540
,00
93,6
4; 548
,00
93,3
5; 556
,00
70,9
5; 572
,00
80,0
5; 564
,00
425435445455465475485495505515525535545555565575585595605615625
60 65 70 75 80 85 90 95 100 105 110 115 120 125 130 135 140 145 150 155 160
Inner Radius
Cry
sta
ls
09/12/200809/12/2008 David Rodríguez Piñeiro - GSI Darmstadt - Collaboration MeetingDavid Rodríguez Piñeiro - GSI Darmstadt - Collaboration Meeting 1414
Backward Endcap EMCBackward Endcap EMC
Inner Radius
30% less free space of Inner Radius, 119 mm
64 crystals gain
1.– Initial Data
2.– Off-Point 3000 Geometry
- Distance to the target (I)
- Distance to the target (II)
- Inner Radius
- Beam Cone Angle
- Wedge Hollow (I)
- Wedge Hollow (II)
- 150 mm Crystals
3.– Off-Point 794 Geometry
4.- Summary
09/12/200809/12/2008 David Rodríguez Piñeiro - GSI Darmstadt - Collaboration MeetingDavid Rodríguez Piñeiro - GSI Darmstadt - Collaboration Meeting 1515
Backward Endcap EMCBackward Endcap EMC
Beam Cone Angle 1.– Initial Data
2.– Off-Point 3000 Geometry
- Distance to the target (I)
- Distance to the target (II)
- Inner Radius
- Beam Cone Angle
- Wedge Hollow (I)
- Wedge Hollow (II)
- 150 mm Crystals
3.– Off-Point 794 Geometry
4.- Summary
Angle trompet: 15,85º < 17,44º (30% closer and smaller)
09/12/200809/12/2008 David Rodríguez Piñeiro - GSI Darmstadt - Collaboration MeetingDavid Rodríguez Piñeiro - GSI Darmstadt - Collaboration Meeting 1616
Backward Endcap EMCBackward Endcap EMC
Wedge Hollow (I)
200 mm length
Wedge hollow of 20º
Two pieces
352 crystals left
96 less
1.– Initial Data
2.– Off-Point 3000 Geometry
- Distance to the target (I)
- Distance to the target (II)
- Inner Radius
- Beam Cone Angle
- Wedge Hollow (I)
- Wedge Hollow (II)
- 150 mm Crystals
3.– Off-Point 794 Geometry
4.- Summary
09/12/200809/12/2008 David Rodríguez Piñeiro - GSI Darmstadt - Collaboration MeetingDavid Rodríguez Piñeiro - GSI Darmstadt - Collaboration Meeting 1717
Backward Endcap EMCBackward Endcap EMC
Wedge Hollow (II)
408 crystals left
40 less
Same Free area than Wedge 20º
1.– Initial Data
2.– Off-Point 3000 Geometry
- Distance to the target (I)
- Distance to the target (II)
- Inner Radius
- Beam Cone Angle
- Wedge Hollow (I)
- Wedge Hollow (II)
- 150 mm Crystals
3.– Off-Point 794 Geometry
4.- Summary
09/12/200809/12/2008 David Rodríguez Piñeiro - GSI Darmstadt - Collaboration MeetingDavid Rodríguez Piñeiro - GSI Darmstadt - Collaboration Meeting 1818
Backward Endcap EMCBackward Endcap EMC
No gain 150 mm
150 mm Crystals
* Back face of the crystals:
25,594x25,594
1.– Initial Data
2.– Off-Point 3000 Geometry
- Distance to the target (I)
- Distance to the target (II)
- Inner Radius
- Beam Cone Angle
- Wedge Hollow (I)
- Wedge Hollow (II)
- 150 mm Crystals
3.– Off-Point 794 Geometry
4.- Summary
09/12/200809/12/2008 David Rodríguez Piñeiro - GSI Darmstadt - Collaboration MeetingDavid Rodríguez Piñeiro - GSI Darmstadt - Collaboration Meeting 1919
Backward Endcap EMCBackward Endcap EMC
3.– Off-Point 794 Geometry
09/12/200809/12/2008 David Rodríguez Piñeiro - GSI Darmstadt - Collaboration MeetingDavid Rodríguez Piñeiro - GSI Darmstadt - Collaboration Meeting 2020
Backward Endcap EMCBackward Endcap EMC
1.– Initial Data
2.– Off-Point 3000 Geometry
3.– Off-Point 794 Geometry
- Distance to the target
- Inner Radius
- 150 mm Crystals
4.- Summary
Now maximum angle is 25,978º (before 29,948º)
The gap is bigger
Distance to the target
368 crystals
(before 448)
30% Closer to the Target (free distance: 510,483 mm)
09/12/200809/12/2008 David Rodríguez Piñeiro - GSI Darmstadt - Collaboration MeetingDavid Rodríguez Piñeiro - GSI Darmstadt - Collaboration Meeting 2121
Crystals in the BW endcap according to the inner Radius
132,3
0; 40
8,00
73,54
; 528
,00
63,20
; 536
,00
75,28
; 520
,00
75,60
; 512
,00 82
,74; 5
04,0
0
91,98
; 496
,00
93,80
; 488
,00
97,04
; 484
,00
98,73
; 476
,00
54,80
; 544
,00
103,5
1; 46
8,00
105,2
5; 46
0,00
113,1
1; 45
2,00
117,9
7; 44
4,00
118,1
6; 44
0,00 11
9,60;
432,
00
122,0
3; 42
4,00 12
5,33;
416,
00
154,0
2; 34
8,00
153,1
5; 35
2,00
152,6
2; 36
0,00
146,8
7; 36
8,00
142,2
2; 37
6,00
140,9
2; 38
4,00
135,3
1; 40
0,00
140,0
9; 39
2,00
320
340
360
380
400
420
440
460
480
500
520
540
560
50 55 60 65 70 75 80 85 90 95 100 105 110 115 120 125 130 135 140 145 150 155 160 165
Inner Radius
Cry
sta
lsBackward Endcap EMCBackward Endcap EMC
09/12/200809/12/2008 David Rodríguez Piñeiro - GSI Darmstadt - Collaboration MeetingDavid Rodríguez Piñeiro - GSI Darmstadt - Collaboration Meeting 2222
Backward Endcap EMCBackward Endcap EMC
1.– Initial Data
2.– Off-Point 3000 Geometry
3.– Off-Point 794 Geometry
- Distance to the target
- Inner Radius
- 150 mm Crystals
4.- Summary
Inner Radius
30% less free space of Inner Radius, 118 mm
72 crystals gain
09/12/200809/12/2008 David Rodríguez Piñeiro - GSI Darmstadt - Collaboration MeetingDavid Rodríguez Piñeiro - GSI Darmstadt - Collaboration Meeting 2323
Backward Endcap EMCBackward Endcap EMC
1.– Initial Data
2.– Off-Point 3000 Geometry
3.– Off-Point 794 Geometry
- Distance to the target
- Inner Radius
- 150 mm Crystals
4.- Summary
Gain 16 crystals
* Back face of the crystals:
24,686x24,686
150 mm Crystals
09/12/200809/12/2008 David Rodríguez Piñeiro - GSI Darmstadt - Collaboration MeetingDavid Rodríguez Piñeiro - GSI Darmstadt - Collaboration Meeting 2424
Backward Endcap EMCBackward Endcap EMC
1.– Initial Data
2.– Off-Point 3000 Geometry
3.– Off-Point 794 Geometry
4.- Summary
Distance target: from 560 to 530,783 mm
from 560 to 510,483 mm
Inner Radius: from 150 to 119 mm
from 150 to 118 mm
Angle trompet: 15,85º < 17,44º (30% closer and smaller)
Solid Angle
Summary
09/12/200809/12/2008 David Rodríguez Piñeiro - GSI Darmstadt - Collaboration MeetingDavid Rodríguez Piñeiro - GSI Darmstadt - Collaboration Meeting 2525
Backward Endcap EMCBackward Endcap EMC
Personal Contact:
[email protected]: +49 (0) 6159171/1321
www.gsi.de
Thanks
