1. David Rodríguez Piñeiro GSI Darmstadt PANDA Collaboration Meeting Turin 15. 06. 2009
EMC BW Endcap

2. 1.– Extension of BW Endcap in Z Direction 2.– Support Structure
Backward Endcap EMC
1.– Extension of BW Endcap in Z Direction
2.– Support Structure
3.– Tracking Supplies
4. – ToF Supplies
5. – MVD Supplies
6. – Summary
16/06/2009
David Rodríguez Piñeiro - GSI Darmstadt - Turin Collaboration Meeting

3. Extension of BW Endcap in Z Direction
Backward Endcap EMC
Extension of BW Endcap in Z Direction
1. – Extension of BW Endcap in Z Direction
2.– Support Structure
3.– Tracking Supplies
4. – ToF Supplies
5. – MVD Supplies
6. – Summary
Flange, Batch Panel…
It extends further backwards as compared to official drawings
16/06/2009
David Rodríguez Piñeiro - GSI Darmstadt - Turin Collaboration Meeting

4. Extension of BW Endcap in Z Direction
Backward Endcap EMC
Extension of BW Endcap in Z Direction
1. – Extension of BW Endcap in Z Direction
2.– Support Structure
3.– Tracking Supplies
4. – ToF Supplies
5. – MVD Supplies
6. – Summary
EMC BW Endcap
Beam Pipe Flange
150
Flange, Batch Panel…
160
According with Beam Pipe people flange at 150 mm from STT frame, i.e. downstream BW endcap
16/06/2009
David Rodríguez Piñeiro - GSI Darmstadt - Turin Collaboration Meeting

5. Support Structure (I) Backward Endcap EMC DIN 1025-IPB360-1.0112
1. – Extension of BW Endcap in Z Direction
2.– Support Structure
3.– Tracking Supplies
4. – ToF Supplies
5. – MVD Supplies
6. – Summary
profile
Dimensions (mm)
Section
Weight H B s e r
(cm2)
(Kg/m)
IPB 100
100 6 10 12
26,0
20,9
DIN 1025-IPB
16/06/2009
David Rodríguez Piñeiro - GSI Darmstadt - Turin Collaboration Meeting

6. Support Structure (II)
Backward Endcap EMC
Support Structure (II)
1. – Extension of BW Endcap in Z Direction
2.– Support Structure
3.– Tracking Supplies
4. – ToF Supplies
5. – MVD Supplies
6. – Summary
- Fixed with whole assembly
- Order installation/ desensitization
- Cylindrical space upstream
- Interaction with beam pipe
16/06/2009
David Rodríguez Piñeiro - GSI Darmstadt - Turin Collaboration Meeting

7. Support Structure (III)
Backward Endcap EMC
Support Structure (III)
1. – Extension of BW Endcap in Z Direction
2.– Support Structure
3.– Tracking Supplies
4. – ToF Supplies
5. – MVD Supplies
6. – Summary
16/06/2009
David Rodríguez Piñeiro - GSI Darmstadt - Turin Collaboration Meeting

8. Support Structure (IV)
Backward Endcap EMC
Support Structure (IV)
1. – Extension of BW Endcap in Z Direction
2.– Support Structure
3.– Tracking Supplies
4. – ToF Supplies
5. – MVD Supplies
6. – Summary
Too Tight
Placing the pump further
16/06/2009
David Rodríguez Piñeiro - GSI Darmstadt - Turin Collaboration Meeting

9. Support Structure (V.a)
Backward Endcap EMC
Support Structure (V.a)
1. – Extension of BW Endcap in Z Direction
2.– Support Structure
3.– Tracking Supplies
4. – ToF Supplies
5. – MVD Supplies
6. – Summary
Ansys Stress Analysis
1 Ton
Max Stress: 26,14 MPa
Steel: Safety factor = 10
16/06/2009
David Rodríguez Piñeiro - GSI Darmstadt - Turin Collaboration Meeting

10. Support Structure (V.b)
Backward Endcap EMC
Support Structure (V.b)
1. – Extension of BW Endcap in Z Direction
2.– Support Structure
3.– Tracking Supplies
4. – ToF Supplies
5. – MVD Supplies
6. – Summary
Ansys Deformation Analysis
Vertical displacement 0,8 mm
16/06/2009
David Rodríguez Piñeiro - GSI Darmstadt - Turin Collaboration Meeting

11. Tracking Supplies (I) Backward Endcap EMC
1. – Extension of BW Endcap in Z Direction
2.– Support Structure
3.– Tracking Supplies
4. – ToF Supplies
5. – MVD Supplies
6. – Summary
16/06/2009
David Rodríguez Piñeiro - GSI Darmstadt - Turin Collaboration Meeting

12. Tracking Supplies (II)
Backward Endcap EMC
Tracking Supplies (II)
1. – Extension of BW Endcap in Z Direction
2.– Support Structure
3.– Tracking Supplies
4. – ToF Supplies
5. – MVD Supplies
6. – Summary
Held by 4 rollers in the common rail
Available area = = 4x1350 = = 5400 mm2
16/06/2009
David Rodríguez Piñeiro - GSI Darmstadt - Turin Collaboration Meeting

13. Tracking Supplies (III.a)
Backward Endcap EMC
Tracking Supplies (III.a)
1. – Extension of BW Endcap in Z Direction
2.– Support Structure
3.– Tracking Supplies
4. – ToF Supplies
5. – MVD Supplies
6. – Summary
Ansys Stress Analysis
3 mm Polyethylene
5.8
Max Stress: 4,29 MPa
Polyethylene: Safety factor > 5
16/06/2009
David Rodríguez Piñeiro - GSI Darmstadt - Turin Collaboration Meeting

14. Tracking Supplies (III.b)
Backward Endcap EMC
Tracking Supplies (III.b)
1. – Extension of BW Endcap in Z Direction
2.– Support Structure
3.– Tracking Supplies
4. – ToF Supplies
5. – MVD Supplies
6. – Summary
Ansys Deformation Analysis
3 mm Polyethylene
Max deformation < 1 mm
16/06/2009
David Rodríguez Piñeiro - GSI Darmstadt - Turin Collaboration Meeting

15. Tracking Supplies (IV.a)
Backward Endcap EMC
Tracking Supplies (IV.a)
1. – Extension of BW Endcap in Z Direction
2.– Support Structure
3.– Tracking Supplies
4. – ToF Supplies
5. – MVD Supplies
6. – Summary
Ansys Stress Analysis
1 mm Aluminium
4.24
Max Stress: 66,04 MPa
Aluminium: Safety factor > 4
16/06/2009
David Rodríguez Piñeiro - GSI Darmstadt - Turin Collaboration Meeting

16. Tracking Supplies (IV.b)
Backward Endcap EMC
Tracking Supplies (IV.b)
1. – Extension of BW Endcap in Z Direction
2.– Support Structure
3.– Tracking Supplies
4. – ToF Supplies
5. – MVD Supplies
6. – Summary
Ansys Stress Analysis
1 mm Aluminium
Max deformation < 0,5 mm
16/06/2009
David Rodríguez Piñeiro - GSI Darmstadt - Turin Collaboration Meeting

17. ToF Supplies (I) Backward Endcap EMC Space Reserved for ToF Supplies
1. – Extension of BW Endcap in Z Direction
2.– Support Structure
3.– Tracking Supplies
4. – ToF Supplies
5. – MVD Supplies
6. – Summary
Space Reserved for ToF Supplies
Gross Area > mm2
16/06/2009
David Rodríguez Piñeiro - GSI Darmstadt - Turin Collaboration Meeting

18. ToF Supplies (II) Backward Endcap EMC
1. – Extension of BW Endcap in Z Direction
2.– Support Structure
3.– Tracking Supplies
4. – ToF Supplies
5. – MVD Supplies
6. – Summary ñ
Integrate ToF supplies Support into DIRC and Tracking Support
16/06/2009
David Rodríguez Piñeiro - GSI Darmstadt - Turin Collaboration Meeting

19. ToF & Tracking Supplies
Backward Endcap EMC
ToF & Tracking Supplies
1. – Extension of BW Endcap in Z Direction
2.– Support Structure
3.– Tracking Supplies
4. – ToF Supplies
5. – MVD Supplies
6. – Summary
Posibility to switch the spaces for Tracking and ToF, depending on the needed area.
Area up down smaller due to the rails
16/06/2009
David Rodríguez Piñeiro - GSI Darmstadt - Turin Collaboration Meeting

20. MVD Supplies (I) Backward Endcap EMC New proposal: Rectangular Shape
1. – Extension of BW Endcap in Z Direction
2.– Support Structure
3.– Tracking Supplies
4. – ToF Supplies
5. – MVD Supplies
6. – Summary
New proposal: Rectangular Shape
16/06/2009
David Rodríguez Piñeiro - GSI Darmstadt - Turin Collaboration Meeting

21. MVD Supplies (II) Backward Endcap EMC Better use of the space
1. – Extension of BW Endcap in Z Direction
2.– Support Structure
3.– Tracking Supplies
4. – ToF Supplies
5. – MVD Supplies
6. – Summary
Better use of the space
Easier and safer insulation system
24 crystals gain!
MVD Demand: 44000mm2
With this proposal:
Free Area around Beam Pipe for MVD Supplies ~ mm2
16/06/2009
David Rodríguez Piñeiro - GSI Darmstadt - Turin Collaboration Meeting

22. Summary Backward Endcap EMC
1. – Extension of BW Endcap in Z Direction
2.– Support Structure
3.– Tracking Supplies
4. – ToF Supplies
5. – MVD Supplies
6. – Summary
Extension of BW in Z Direction: at least 1000 mm
Supporting Structure: Advanced
Space for Tracking Supplies: Feasible
Space for ToF Supplies: To Be Determined
Space for MVD Supplies: Rectangular Solution
16/06/2009
David Rodríguez Piñeiro - GSI Darmstadt - Turin Collaboration Meeting

23. Thank you! Personal Contact: Backward Endcap EMC
Tel: +49 (0) /1634
www-panda.gsi.de
16/06/2009
David Rodríguez Piñeiro - GSI Darmstadt - Turin Collaboration Meeting