panda mechanical workshop backward endcap calorimeter geometry david rodríguez piñeiro gsi...

PANDAMechanical WorkshopBackward Endcap Calorimeter

Geometry

David Rodríguez PiñeiroDavid Rodríguez PiñeiroGSI DarmstadtGSI Darmstadt

PANDA Mechanical WorkshopPANDA Mechanical WorkshopGSIGSI

02. 04. 200902. 04. 2009

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Backward Endcap EMCBackward Endcap EMC

1.– Requirements- Boundary Conditions- Dimensions

2.– Geometry & Setting- Geometry- Interaction with STT- Interaction with MVD- Interaction with Beam Pipe

3.- Next Step- Fixing in the Assembly

4.- Summary

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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

2.– Geometry

3.- Next step

4.- Summary

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Backward Endcap EMCBackward Endcap EMC

Crystals Dimensions Straight Geometry

Length 200 mm

Face 24,4x24,4 mm(barrel smallest back face crystal)

Picture

1.– Requirements

- Boundary Conditions

- Dimensions

2.– Geometry

3.- Next step

4.- Summary

Dimensions

Straight Geometry: 0,6284 str

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Backward Endcap EMCBackward Endcap EMC

2.– Geometry & Setting

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Backward Endcap EMCBackward Endcap EMC

Geometry 1.– Requirements

2.– Geometry & Setting

- Geometry

- Interaction STT

- Interaction MVD

- Interaction Beam Pipe

3.- Next step

4.- Summary

540 Crystals

424 Crystals

488 Crystals

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Backward Endcap EMCBackward Endcap EMC

Interaction with the STT (I.a)

Ring: Same volume

1.– Requirements

2.– Geometry & Setting

- Geometry

- Interaction STT

- Interaction MVD

- Interaction Beam Pipe

3.- Next step

4.- Summary

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Backward Endcap EMCBackward Endcap EMC

Interaction with the STT (I.b)

Carbon Fibre Tray

Fulfils the STT Cabling requirements

1.– Requirements

2.– Geometry & Setting

- Geometry

- Interaction STT

- Interaction MVD

- Interaction Beam Pipe

3.- Next step

4.- Summary

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Backward Endcap EMCBackward Endcap EMC

Interaction with the STT (II.a)

Different Outlet

1.– Requirements

2.– Geometry & Setting

- Geometry

- Interaction STT

- Interaction MVD

- Interaction Beam Pipe

3.- Next step

4.- Summary

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Backward Endcap EMCBackward Endcap EMC

Interaction with the STT (II.b)

Carbon Fibre Tray

Fulfils the STT Piping requirements

1.– Requirements

2.– Geometry & Setting

- Geometry

- Interaction STT

- Interaction MVD

- Interaction Beam Pipe

3.- Next step

4.- Summary

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Backward Endcap EMCBackward Endcap EMC

Interaction with the STT (III) 1.– Requirements

2.– Geometry & Setting

- Geometry

- Interaction STT

- Interaction MVD

- Interaction Beam Pipe

3.- Next step

4.- Summary

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Backward Endcap EMCBackward Endcap EMC

Interaction with the MVD

Space

Beam Pipe-BW Endcap

54.821 mm2

1.– Requirements

2.– Geometry & Setting

- Geometry

- Interaction STT

- Interaction MVD

- Interaction Beam Pipe

3.- Next step

4.- Summary

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Backward Endcap EMCBackward Endcap EMC

Interaction with the Beam Pipe (I)

Maximum Angle from the Target

17,17º

1.– Requirements

2.– Geometry & Setting

- Geometry

- Interaction STT

- Interaction MVD

- Interaction Beam Pipe

3.- Next step

4.- Summary

First Crystal starts at

R183,50 mm (z=-594)

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Backward Endcap EMCBackward Endcap EMC

Interaction with the Beam Pipe (II)

Beam Pipe Flange 1100 mm from the Target

1.– Requirements

2.– Geometry & Setting

- Geometry

- Interaction STT

- Interaction MVD

- Interaction Beam Pipe

3.- Next step

4.- Summary

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Backward Endcap EMCBackward Endcap EMC

3.– Next Step

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Backward Endcap EMCBackward Endcap EMC

Fixing in the Assembly

Hold the Endcap in 4 or 8 Points in the Backward DIRC Support Ring

1.– Requirements

2.– Geometry & Setting

3.- Next step

- Fixing the Assembly

4.- Summary

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Backward Endcap EMCBackward Endcap EMC

Geometry: Cutting in 4 sides (up-down-left-right)

Space for the STT (Cabling & Piping): Enough

Space for the MVD (Cabling & Piping): To Discuss

Angle for the Beam Cone: 17,17º Maximum

Fixing: In the Backward DIRC Support

Summary 1.– Requirements

2.– Geometry & Setting

3.- Next step

4.- Summary

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Backward Endcap EMCBackward Endcap EMC

Personal Contact:

d.rodriguezpineiro@gsi.deTel: +49 (0) 615971/1634

www-panda.gsi.de

Thank you!