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

23/02/201023/02/2010 David Rodríguez Piñeiro - Mainz University - OLYMPUS MeetingDavid Rodríguez Piñeiro - Mainz University - OLYMPUS Meeting 22

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



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



Frames

Cutting of the A4 Frames

1.– Composition

- Crystals

- Frames

- Assembly

- Collimator

- Box

2.– OLYMPUS

Integration

3.- Support &

Alignment

4.- Summary



Assembly

PMTBase

Crystal

Frame

1.– Composition

- Crystals

- Frames

- Assembly

- Collimator

- Box

2.– OLYMPUS

Integration

3.- Support &

Alignment

4.- Summary



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



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



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



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



2.– OLYMPUS Integration



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



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



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



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



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



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



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



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?



3.- Support & Alignment



Support and Alignment 1.– Composition

2.– OLYMPUS

Integration

3.- Support &

Alignment

4.- Summary




2.– OLYMPUS

Integration

3.- Support &

Alignment

4.- Summary




2.– OLYMPUS

Integration

3.- Support &

Alignment

4.- Summary




2.– OLYMPUS

Integration

3.- Support &

Alignment

4.- Summary




2.– OLYMPUS

Integration

3.- Support &

Alignment

4.- Summary




2.– OLYMPUS

Integration

3.- Support &

Alignment

4.- Summary




2.– OLYMPUS

Integration

3.- Support &

Alignment

4.- Summary




2.– OLYMPUS

Integration

3.- Support &

Alignment

4.- Summary

Enough Space for Alignment?



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



Support and Alignment

Aluminium

Total Deformation

< 0,25 mm

1.– Composition

2.– OLYMPUS

Integration

3.- Support &

Alignment

4.- Summary



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



Personal Contact:

[email protected]: +49 (0) 6159171/1634

web.mit.edu/OLYMPUS

Thank you!

Documents

David Rodríguez Piñeiro Mainz University OLYMPUS Collaboration Meeting DESY 23. 02. 2010