david rodríguez piñeiro mainz university olympus collaboration meeting desy 23. 02. 2010

OLYMPUSCollaboration Meeting

Luminosity MonitorCalorimeter

David Rodríguez PiñeiroDavid Rodríguez PiñeiroMainz UniversityMainz University

OLYMPUS Collaboration MeetingOLYMPUS Collaboration MeetingDESYDESY

23. 02. 201023. 02. 2010

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Luminosity Monitor, CalorimeterLuminosity Monitor, Calorimeter

1.– Composition- Crystals- Frames- Assembly- Collimator- Box

2.– OLYMPUS Integration- Magnetic Field- Beam Pipe Modification- Interference

3.- Support & Alignment 4.- Summary

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Luminosity Monitor, CalorimeterLuminosity Monitor, Calorimeter

1.– Composition

- Crystals

- Frames

- Assembly

- Collimator

- Box

2.– OLYMPUS

Integration

3.- Support &

Alignment

4.- Summary

   Length Total Each Block

Type1 150,0 9 4-5

Type2 155,1 8 4

Type3 160,6 4 2

Type4 166,3 5 2-3

Type5 172,3 6 3

Type6 178,7 5 2-3

Type7 185,4 6 3

Crystals; PbF2

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Luminosity Monitor, CalorimeterLuminosity Monitor, Calorimeter

Frames

Cutting of the A4 Frames

1.– Composition

- Crystals

- Frames

- Assembly

- Collimator

- Box

2.– OLYMPUS

Integration

3.- Support &

Alignment

4.- Summary

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Luminosity Monitor, CalorimeterLuminosity Monitor, Calorimeter

Assembly

PMTBase

Crystal

Frame

1.– Composition

- Crystals

- Frames

- Assembly

- Collimator

- Box

2.– OLYMPUS

Integration

3.- Support &

Alignment

4.- Summary

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Luminosity Monitor, CalorimeterLuminosity Monitor, Calorimeter

Collimator I

Optimized Shape from the Target to Protect PMT and Bases

10 cm Long

1.– Composition

- Crystals

- Frames

- Assembly

- Collimator

- Box

2.– OLYMPUS

Integration

3.- Support &

Alignment

4.- Summary

Lead

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Luminosity Monitor, CalorimeterLuminosity Monitor, Calorimeter

Collimator II

200 mm 200 mm R4,47 mm

Cut Views

Pre

limin

ary

1.– Composition

- Crystals

- Frames

- Assembly

- Collimator

- Box

2.– OLYMPUS

Integration

3.- Support &

Alignment

4.- Summary

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Luminosity Monitor, CalorimeterLuminosity Monitor, Calorimeter

Box I

Fixation Collimator: With Screw

Crystals Support: Softer Material

1.– Composition

- Crystals

- Frames

- Assembly

- Collimator

- Box

2.– OLYMPUS

Integration

3.- Support &

Alignment

4.- Summary

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Luminosity Monitor, CalorimeterLuminosity Monitor, Calorimeter

Box III

Lid for the Box: Light Tight

Box II 1.– Composition

- Crystals

- Frames

- Assembly

- Collimator

- Box

2.– OLYMPUS

Integration

3.- Support &

Alignment

4.- Summary

Cover of the Collimator Hole

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Luminosity Monitor, CalorimeterLuminosity Monitor, Calorimeter

2.– OLYMPUS Integration

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Luminosity Monitor, CalorimeterLuminosity Monitor, Calorimeter

Magnetic Field ICoils and Quad

Magnetic Fringe Field from Quad Unknown

1.– Composition

2.– OLYMPUS

Integration

- Magnetic Field

- Beam Pipe

Modification

- Interference

3.- Support &

Alignment

4.- Summary

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Luminosity Monitor, CalorimeterLuminosity Monitor, Calorimeter

Box III

Lid for the Box: MuMetal

Box: Soft iron

Detailed Studies to Be Done

Magnetic Field II 1.– Composition

2.– OLYMPUS

Integration

- Magnetic Field

- Beam Pipe

Modification

- Interference

3.- Support &

Alignment

4.- Summary

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Luminosity Monitor, CalorimeterLuminosity Monitor, Calorimeter

Beam Pipe Modification

Clear Path from the Target

Windows

1.– Composition

2.– OLYMPUS

Integration

- Magnetic Field

- Beam Pipe

Modification

- Interference

3.- Support &

Alignment

4.- Summary

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Luminosity Monitor, CalorimeterLuminosity Monitor, Calorimeter

Angle; Interference I

Energy 2,0 GeV -> Angle 1,28º

1,28º

3200 mm

1.– Composition

2.– OLYMPUS

Integration

- Magnetic Field

- Beam Pipe

Modification

- Interference

3.- Support &

Alignment

4.- Summary

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Luminosity Monitor, CalorimeterLuminosity Monitor, Calorimeter

Angle; Interference II

Energy 2,3 GeV -> Angle 1,19º

1.– Composition

2.– OLYMPUS

Integration

- Magnetic Field

- Beam Pipe

Modification

- Interference

3.- Support &

Alignment

4.- Summary

Calorimeter-Beam Pipe Clash

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Luminosity Monitor, CalorimeterLuminosity Monitor, Calorimeter

Angle; Interference IIIBeam Pipe Radius:

19,05 mm

Minimum Distance: 2,08 mm

(at 2,0 GeV)

Beam Pipe Tolerance?

1.– Composition

2.– OLYMPUS

Integration

- Magnetic Field

- Beam Pipe

Modification

- Interference

3.- Support &

Alignment

4.- Summary

Kapton foil in between: Electrical Insulation

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Luminosity Monitor, CalorimeterLuminosity Monitor, Calorimeter

Angle; Interference IV4 GeV: Beam Pipe Radius: 19,05 mm

2 GeV: Beam Pipe Radius Decrease? More Space

1.– Composition

2.– OLYMPUS

Integration

- Magnetic Field

- Beam Pipe

Modification

- Interference

3.- Support &

Alignment

4.- Summary

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Luminosity Monitor, CalorimeterLuminosity Monitor, Calorimeter

Angle; Interference V 1.– Composition

2.– OLYMPUS

Integration

- Magnetic Field

- Beam Pipe

Modification

- Interference

3.- Support &

Alignment

4.- Summary

Beam Position Precision?

Beam Angle Precision?

Movement Needed Due to Beam Alignment?

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Luminosity Monitor, CalorimeterLuminosity Monitor, Calorimeter

3.- Support & Alignment

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Luminosity Monitor, CalorimeterLuminosity Monitor, Calorimeter

Support and Alignment 1.– Composition

2.– OLYMPUS

Integration

3.- Support &

Alignment

4.- Summary

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Luminosity Monitor, CalorimeterLuminosity Monitor, Calorimeter

Support and Alignment 1.– Composition

2.– OLYMPUS

Integration

3.- Support &

Alignment

4.- Summary

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Luminosity Monitor, CalorimeterLuminosity Monitor, Calorimeter

Support and Alignment 1.– Composition

2.– OLYMPUS

Integration

3.- Support &

Alignment

4.- Summary

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Luminosity Monitor, CalorimeterLuminosity Monitor, Calorimeter

Support and Alignment 1.– Composition

2.– OLYMPUS

Integration

3.- Support &

Alignment

4.- Summary

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Luminosity Monitor, CalorimeterLuminosity Monitor, Calorimeter

Support and Alignment 1.– Composition

2.– OLYMPUS

Integration

3.- Support &

Alignment

4.- Summary

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Luminosity Monitor, CalorimeterLuminosity Monitor, Calorimeter

Support and Alignment 1.– Composition

2.– OLYMPUS

Integration

3.- Support &

Alignment

4.- Summary

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Luminosity Monitor, CalorimeterLuminosity Monitor, Calorimeter

Support and Alignment 1.– Composition

2.– OLYMPUS

Integration

3.- Support &

Alignment

4.- Summary

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Luminosity Monitor, CalorimeterLuminosity Monitor, Calorimeter

Support and Alignment 1.– Composition

2.– OLYMPUS

Integration

3.- Support &

Alignment

4.- Summary

Enough Space for Alignment?

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Luminosity Monitor, CalorimeterLuminosity Monitor, Calorimeter

Support and Alignment

Safety Factor > 8

Aluminium

Regarding the elastic limit

1.– Composition

2.– OLYMPUS

Integration

3.- Support &

Alignment

4.- Summary

Full LoadAttached to the Frame

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Luminosity Monitor, CalorimeterLuminosity Monitor, Calorimeter

Support and Alignment

Aluminium

Total Deformation

< 0,25 mm

1.– Composition

2.– OLYMPUS

Integration

3.- Support &

Alignment

4.- Summary

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Luminosity Monitor, CalorimeterLuminosity Monitor, Calorimeter

Main Design Done

Free Path from the Target

Inputs needed:

- Quad Magnetic Fringe Field

- Beam Pipe Tolerance

- Beam Position and Angle Precision?

Enough Space for Support and Alignment?

1.– Composition

2.– OLYMPUS

Integration

3.- Support &

Alignment

4.- Summary

Summary

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Luminosity Monitor, CalorimeterLuminosity Monitor, Calorimeter

Personal Contact:

d.rodriguezpineiro@gsi.deTel: +49 (0) 6159171/1634

web.mit.edu/OLYMPUS

Thank you!