OLYMPUS Collaboration Meeting Luminosity Monitor Symmetric Möller/Bhabha Calorimeter David...
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![Page 1: OLYMPUS Collaboration Meeting Luminosity Monitor Symmetric Möller/Bhabha Calorimeter David Rodríguez Piñeiro HIM / Mainz University OLYMPUS Collaboration.](https://reader035.fdocuments.in/reader035/viewer/2022062313/56649d3a5503460f94a15766/html5/thumbnails/1.jpg)
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
![Page 2: OLYMPUS Collaboration Meeting Luminosity Monitor Symmetric Möller/Bhabha Calorimeter David Rodríguez Piñeiro HIM / Mainz University OLYMPUS Collaboration.](https://reader035.fdocuments.in/reader035/viewer/2022062313/56649d3a5503460f94a15766/html5/thumbnails/2.jpg)
26/04/201126/04/2011 David Rodríguez Piñeiro - Mainz University - OLYMPUS MeetingDavid Rodríguez Piñeiro - Mainz University - OLYMPUS Meeting 22
Symmetric Möller/Bhabha Symmetric Möller/Bhabha
1.- New Beam Pipe Design
2.- New SYMB Design
3.- Main Support
4.- Interferences
5.- Summary
![Page 3: OLYMPUS Collaboration Meeting Luminosity Monitor Symmetric Möller/Bhabha Calorimeter David Rodríguez Piñeiro HIM / Mainz University OLYMPUS Collaboration.](https://reader035.fdocuments.in/reader035/viewer/2022062313/56649d3a5503460f94a15766/html5/thumbnails/3.jpg)
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Symmetric Möller/Bhabha Symmetric Möller/Bhabha
1.– New Beam Pipe Design
![Page 4: OLYMPUS Collaboration Meeting Luminosity Monitor Symmetric Möller/Bhabha Calorimeter David Rodríguez Piñeiro HIM / Mainz University OLYMPUS Collaboration.](https://reader035.fdocuments.in/reader035/viewer/2022062313/56649d3a5503460f94a15766/html5/thumbnails/4.jpg)
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Symmetric Möller/Bhabha Symmetric Möller/Bhabha
Cone pipe with SYMB windows:
Difficult and expensive to manufacture
Traditional design
![Page 5: OLYMPUS Collaboration Meeting Luminosity Monitor Symmetric Möller/Bhabha Calorimeter David Rodríguez Piñeiro HIM / Mainz University OLYMPUS Collaboration.](https://reader035.fdocuments.in/reader035/viewer/2022062313/56649d3a5503460f94a15766/html5/thumbnails/5.jpg)
26/04/201126/04/2011 David Rodríguez Piñeiro - Mainz University - OLYMPUS MeetingDavid Rodríguez Piñeiro - Mainz University - OLYMPUS Meeting 55
Symmetric Möller/Bhabha Symmetric Möller/Bhabha
Windows shorter
Cone (due to Wakefield suppressor) inside the beam pipe
![Page 6: OLYMPUS Collaboration Meeting Luminosity Monitor Symmetric Möller/Bhabha Calorimeter David Rodríguez Piñeiro HIM / Mainz University OLYMPUS Collaboration.](https://reader035.fdocuments.in/reader035/viewer/2022062313/56649d3a5503460f94a15766/html5/thumbnails/6.jpg)
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Symmetric Möller/Bhabha Symmetric Möller/Bhabha
2.– New SYMB Design
![Page 7: OLYMPUS Collaboration Meeting Luminosity Monitor Symmetric Möller/Bhabha Calorimeter David Rodríguez Piñeiro HIM / Mainz University OLYMPUS Collaboration.](https://reader035.fdocuments.in/reader035/viewer/2022062313/56649d3a5503460f94a15766/html5/thumbnails/7.jpg)
26/04/201126/04/2011 David Rodríguez Piñeiro - Mainz University - OLYMPUS MeetingDavid Rodríguez Piñeiro - Mainz University - OLYMPUS Meeting 77
Symmetric Möller/Bhabha Symmetric Möller/Bhabha
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
![Page 8: OLYMPUS Collaboration Meeting Luminosity Monitor Symmetric Möller/Bhabha Calorimeter David Rodríguez Piñeiro HIM / Mainz University OLYMPUS Collaboration.](https://reader035.fdocuments.in/reader035/viewer/2022062313/56649d3a5503460f94a15766/html5/thumbnails/8.jpg)
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Symmetric Möller/Bhabha Symmetric Möller/Bhabha
In the new position
![Page 9: OLYMPUS Collaboration Meeting Luminosity Monitor Symmetric Möller/Bhabha Calorimeter David Rodríguez Piñeiro HIM / Mainz University OLYMPUS Collaboration.](https://reader035.fdocuments.in/reader035/viewer/2022062313/56649d3a5503460f94a15766/html5/thumbnails/9.jpg)
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Symmetric Möller/Bhabha Symmetric Möller/Bhabha
Safety Factor: SF
Total Displacement: TD
SF > 7
TD < 0,05 mm
SF > 8
TD < 0,04 mm
SF> 6
TD: 0,0007 mm
![Page 10: OLYMPUS Collaboration Meeting Luminosity Monitor Symmetric Möller/Bhabha Calorimeter David Rodríguez Piñeiro HIM / Mainz University OLYMPUS Collaboration.](https://reader035.fdocuments.in/reader035/viewer/2022062313/56649d3a5503460f94a15766/html5/thumbnails/10.jpg)
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Symmetric Möller/Bhabha Symmetric Möller/Bhabha
Hallo Counter
Further check
![Page 11: OLYMPUS Collaboration Meeting Luminosity Monitor Symmetric Möller/Bhabha Calorimeter David Rodríguez Piñeiro HIM / Mainz University OLYMPUS Collaboration.](https://reader035.fdocuments.in/reader035/viewer/2022062313/56649d3a5503460f94a15766/html5/thumbnails/11.jpg)
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Symmetric Möller/Bhabha Symmetric Möller/Bhabha
3.– Main Support
![Page 12: OLYMPUS Collaboration Meeting Luminosity Monitor Symmetric Möller/Bhabha Calorimeter David Rodríguez Piñeiro HIM / Mainz University OLYMPUS Collaboration.](https://reader035.fdocuments.in/reader035/viewer/2022062313/56649d3a5503460f94a15766/html5/thumbnails/12.jpg)
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Symmetric Möller/Bhabha Symmetric Möller/Bhabha
Will fit with this shape
Will be made out of standard aluminum profiles
Adaptad to the new enviroment
![Page 13: OLYMPUS Collaboration Meeting Luminosity Monitor Symmetric Möller/Bhabha Calorimeter David Rodríguez Piñeiro HIM / Mainz University OLYMPUS Collaboration.](https://reader035.fdocuments.in/reader035/viewer/2022062313/56649d3a5503460f94a15766/html5/thumbnails/13.jpg)
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Symmetric Möller/Bhabha Symmetric Möller/Bhabha
Longer in Z
Still laying on the tubular supporting beams
Due to interferences it will be mounted in place
![Page 14: OLYMPUS Collaboration Meeting Luminosity Monitor Symmetric Möller/Bhabha Calorimeter David Rodríguez Piñeiro HIM / Mainz University OLYMPUS Collaboration.](https://reader035.fdocuments.in/reader035/viewer/2022062313/56649d3a5503460f94a15766/html5/thumbnails/14.jpg)
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Symmetric Möller/Bhabha Symmetric Möller/Bhabha
4.– Interferences
![Page 15: OLYMPUS Collaboration Meeting Luminosity Monitor Symmetric Möller/Bhabha Calorimeter David Rodríguez Piñeiro HIM / Mainz University OLYMPUS Collaboration.](https://reader035.fdocuments.in/reader035/viewer/2022062313/56649d3a5503460f94a15766/html5/thumbnails/15.jpg)
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Symmetric Möller/Bhabha Symmetric Möller/Bhabha
SYMB
OLYMPUS
No clash detected
Just 0 contact on the tubular supporting beams
![Page 16: OLYMPUS Collaboration Meeting Luminosity Monitor Symmetric Möller/Bhabha Calorimeter David Rodríguez Piñeiro HIM / Mainz University OLYMPUS Collaboration.](https://reader035.fdocuments.in/reader035/viewer/2022062313/56649d3a5503460f94a15766/html5/thumbnails/16.jpg)
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Symmetric Möller/Bhabha Symmetric Möller/Bhabha
Top View
MWPC
ToF Frame
Beam Pipe
Coils Frame
![Page 17: OLYMPUS Collaboration Meeting Luminosity Monitor Symmetric Möller/Bhabha Calorimeter David Rodríguez Piñeiro HIM / Mainz University OLYMPUS Collaboration.](https://reader035.fdocuments.in/reader035/viewer/2022062313/56649d3a5503460f94a15766/html5/thumbnails/17.jpg)
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Symmetric Möller/Bhabha Symmetric Möller/Bhabha
Tight clearances, but feasible
![Page 18: OLYMPUS Collaboration Meeting Luminosity Monitor Symmetric Möller/Bhabha Calorimeter David Rodríguez Piñeiro HIM / Mainz University OLYMPUS Collaboration.](https://reader035.fdocuments.in/reader035/viewer/2022062313/56649d3a5503460f94a15766/html5/thumbnails/18.jpg)
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Symmetric Möller/Bhabha Symmetric Möller/Bhabha
Mounted in place
Optimized design to avoid overlapping parts
![Page 19: OLYMPUS Collaboration Meeting Luminosity Monitor Symmetric Möller/Bhabha Calorimeter David Rodríguez Piñeiro HIM / Mainz University OLYMPUS Collaboration.](https://reader035.fdocuments.in/reader035/viewer/2022062313/56649d3a5503460f94a15766/html5/thumbnails/19.jpg)
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Symmetric Möller/Bhabha Symmetric Möller/Bhabha
Cables to the ceiling?
Tubular support attached to ToF frame
Flasher box?
Flasher box
![Page 20: OLYMPUS Collaboration Meeting Luminosity Monitor Symmetric Möller/Bhabha Calorimeter David Rodríguez Piñeiro HIM / Mainz University OLYMPUS Collaboration.](https://reader035.fdocuments.in/reader035/viewer/2022062313/56649d3a5503460f94a15766/html5/thumbnails/20.jpg)
26/04/201126/04/2011 David Rodríguez Piñeiro - Mainz University - OLYMPUS MeetingDavid Rodríguez Piñeiro - Mainz University - OLYMPUS Meeting 2020
Symmetric Möller/Bhabha Symmetric Möller/Bhabha
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
![Page 21: OLYMPUS Collaboration Meeting Luminosity Monitor Symmetric Möller/Bhabha Calorimeter David Rodríguez Piñeiro HIM / Mainz University OLYMPUS Collaboration.](https://reader035.fdocuments.in/reader035/viewer/2022062313/56649d3a5503460f94a15766/html5/thumbnails/21.jpg)
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Symmetric Möller/Bhabha Symmetric Möller/Bhabha
Personal Contact:
[email protected]: +49 (0) 6159171/1634
web.mit.edu/OLYMPUS
Thank you!
Frank Maas
Sebastian Baunack
Dmitry Khaneft
Boris Gläser
Eric Göbel
Yue Ma
Roberto Pérez