1. N-TOF EAR2 - Vertical beam design & construction - Irradiation facility proposal
S. Girod EN-EA

2. Before n_TOF EAR2

3. N_TOF EAR2 (b. 380) Dump Services CV + EL
Experimental area ‘’class A’’
-150 Pa
Preparation area + racks
-100 Pa
-50 Pa
SAS

4. Integration Building supported on ISR wall & 4 pillars Pit
ISR service gallery
ISR8
TT2A access
TT2A

5. N_TOF EAR2 beam line 26 m Dump EAR2 B.380 19 m Experimental area 16 m
Collimator 2
N_TOF EAR2 beam line
New
pit 2
Filter box
ISR service gallery
11 m
Permanent magnet
9 m
1st collimator
Concrete shielding
Pit 1
Vac chamber 1
0 m
TT2A
N_TOF target

6. EAR2 beam axis definition
Vacuum aperture Ø320

7. Vacuum window Thickness 1.5 mm, Al alloy 6082 Vacuum: 1 mbar
Reference point
Air gap 10 mm

8. Centring for vacuum chamber 1

9. Concrete tap in pit 1
4 concrete blocks with mineral fiber reinforcement
Complex molding chape
Remote handling
Gap 40 mm to piping and EAR2 vacuum chamber
Monorail axis direction

10. Vacuum chamber 1 installation
beam length 28 m
Vacuum chamber 1 installation

11. Service gallery Removable rail Filter box 8 material Sweeping magnet
Bricks shielding
Collimator 1
Air tight cover

12. New pit 2 B4C core 8kg collimator polyboron. 0.3t Gap 60 mm
Filled with st steel balls 3.5t
Gap 1mm
4 chicanes
Inner collimator
Steel 2t
Vacuum vessel
Steel 4.4t
2 valves for balls release
Concrete cylinder 1t

13. Experimental area
Lead
Lead

14. Experimental area Modular vacuum chambers 3 aligned pillars
Support plate for detector with iso positioning

15. Gap filled with concrete
Poly boron
Dump
Window Al 2mm
Concrete 66 t
Lead
B4C
Poly boron
Vacuum chamber
Gap filled with concrete
Steel 31 t
Concrete block
Alignment suppport

16. N_TOF irradiation proposal 1
Mobile shielding on n_TOF target -Tricky remote handling of the samples - Only possible during technical stops
Rejected
Target
Irradiated samples
Mobil shielding

17. Pneumatic transport proposal
Fully confined, fast, reliable, cheap

18. Pneumatic transport parameters
Diameter up to Ø500 mm (Ø25 to Ø160 most common)
Load capacity up to 50 kg (depending of Ø)
Splitter- divider system
Both way possible: blower / sucker mode
RFID tracking
Carrier
Turbine
Divider

19. Routing N_TOF target to ‘’class A ‘’ lab EAR2 (b. 380)
Distance: ~115 m
EAR2
Preparation area
Divider

20. Irradiation tubes – top view
6x DN 50
Mobile shielding
Mobile shielding
1x DN 200

21. Irradiation tubes – top view
45° 0°
90°
10°
3x DN 50
R620 mm
TFT beam
Tube for target endoscopic inspection
3x DN 50
Upgrade possible inside vacuum
S. Girod EN-EA

22. Irradiation tubes – side view
Moderator tank

23. Outside b Inside b.380
1x DN50
1x DN 200
1x DN 200 air return

24. Thanks to Vincent Clerc for 3d studies, integration, drawing…

25. Thank you for your attention