OLYMPUS Collaboration Meeting Luminosity Monitor Symmetric Möller/Bhabha Calorimeter David...

OLYMPUSCollaboration Meeting

Luminosity MonitorSymmetric Möller/Bhabha

Calorimeter

David Rodríguez PiñeiroDavid Rodríguez PiñeiroHIM / Mainz UniversityHIM / Mainz University

OLYMPUS Collaboration MeetingOLYMPUS Collaboration MeetingDESYDESY

26. 04. 201126. 04. 2011

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1.- New Beam Pipe Design

2.- New SYMB Design

3.- Main Support

4.- Interferences

5.- Summary

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1.– New Beam Pipe Design

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Cone pipe with SYMB windows:

Difficult and expensive to manufacture

Traditional design

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Windows shorter

Cone (due to Wakefield suppressor) inside the beam pipe

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2.– New SYMB Design

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Shifted ~350 mm upstream

Adapted to the new enviroment

Collimator and Lead Wall not aligned

Boxes move away from the beam in diagonal

Alignment system reordered

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In the new position

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Safety Factor: SF

Total Displacement: TD

SF > 7

TD < 0,05 mm

SF > 8

TD < 0,04 mm

SF> 6

TD: 0,0007 mm

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Hallo Counter

Further check

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3.– Main Support

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Will fit with this shape

Will be made out of standard aluminum profiles

Adaptad to the new enviroment

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Longer in Z

Still laying on the tubular supporting beams

Due to interferences it will be mounted in place

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4.– Interferences

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SYMB

OLYMPUS

No clash detected

Just 0 contact on the tubular supporting beams

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Top View

MWPC

ToF Frame

Beam Pipe

Coils Frame

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Tight clearances, but feasible

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Mounted in place

Optimized design to avoid overlapping parts

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Cables to the ceiling?

Tubular support attached to ToF frame

Flasher box?

Flasher box

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New beam pipe design => New SYMB design

New position: ~350 mm upstream

Not interference with other subsystems (Hallo

Counter study)

Attached to the tubular supporting beams

(longer in Z towards the beam)

Summary

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Personal Contact:

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

web.mit.edu/OLYMPUS

Thank you!

Frank Maas

Sebastian Baunack

Dmitry Khaneft

Boris Gläser

Eric Göbel

Yue Ma

Roberto Pérez