1. Results of dosimeter readings in IR3 and IR7 DGS-RP High Level Dosimetry LHC Collimation WG meeting 03/09/2012

2. 100 RPL dosimeters installed during X-mas stop 2011 in Point 1, 3, 5 and 7 – on the vacuum chamber close to the collimators, warm dipoles and quadrupoles – on the coils of warm dipoles and quadrupoles Exchange and readout of selected dosimeters on 27/06/2012 – Point 1 (6 RPL), – Point 3 (26 RPL) – Point 7 (19 RPL) 03/09/2012 LHC Collimation WG 100 Gy10 5 Gy 10 6 Gy Radio-photoluminescent dosimeter 6mm

3. Dosimeter positions IR3 left TCP.6L3.B1 MQWA.E5L3MQWA.C5L3 TCSG.5L3.B1 MBW.C6L3 1213m to IP  Beam1  Beam 2  Dosimeter positions mirrored on the right side of IP 03/09/2012 LHC Collimation WG

4. Dosimeter positions IR7 left Beam1  Beam 2  1180m to IP  TCP.B6L7.B1 MQWA.E5L7 TCSG.A6L7.B1MBW.B6L7 Dosimeter positions mirrored on the right side of IP 03/09/2012 LHC Collimation WG

5. Dosimeter position on collimators Dosimeters were attached to the vacuum chamber at approximately 2 cm far from the collimator end plate (P. Thonet) Representative picture, not real location 03/09/2012 LHC Collimation WG

6. Dosimeter position on dipoles Representative picture, not real location 03/09/2012 LHC Collimation WG

7. Dosimeter position on quadrupoles Representative picture, not real location 03/09/2012 LHC Collimation WG

8. IR3 – dose to TCP and D3 D4 D3 Q5 TCPTCSG 8.6kGy 3.1 kGy D4D3 Q5 TCPTCSG 15.7 kGy 6.3 kGy 18.0 kGy 9.2 kGy 4.4 kGy 5.5 kGy 2.3 kGy 03/09/2012 LHC Collimation WG

9. IR3 – dose to Q5 (E) D4 D3 Q5 TCPTCSGD4D3 Q5 TCPTCSG 81.7 kGy 1.3 kGy 2.3 kGy 297.4 kGy 8.0 kGy 1.6 kGy 6.7 kGy 03/09/2012 LHC Collimation WG

10. IR3 – dose to TCSG and Q5 (C) D4 D3 Q5 TCPTCSG 3.5 kGy 4.2 kGy D4D3 Q5 TCPTCSG 14.3 kGy 18.8 kGy 2.4 kGy 1.6 kGy 2.7 kGy 6.6 kGy 31.0 kGy 103.9 kGy not exchanged 03/09/2012 LHC Collimation WG

11. IR7 – dose to TCP and D3 D4 D3 Q5 TCPTCSG 397.5 kGy 119.8 kGy> 500 kGy 106.3 kGy 302.1 kGy Q5 D3 D4 TCP TCSG 487.3 kGy 469.1 kGy297.4 kGy 329.4 kGy > 500 kGy 03/09/2012 LHC Collimation WG

12. IR7 – dose to TCSG and Q5 D4 D3 Q5 TCPTCSG 297.4 kGy Q5 D3 D4 TCP TCSG 478.2 kGy > 500 kGy 43.7 kGy 19.1 kGy fallen off (487.3 kGy) 25.7 kGy 100.4 kGy 59.6 kGy 03/09/2012 LHC Collimation WG

13. Summary IR3 and IR7 IR 3 leftright IR7 leftright TCP8.6 kGy3.1 kGy302.1 kGy> 500 kGy MWB6.3 – 18 kGy2.3 – 5.5 kGy106.3 - > 500 kGy297.4 – 487.3 kGy TCSG3.5 kGy4.2 kGy297.4 kGy478.2 kGy MQWA.E1.6 – 297.4 kGy1.3 – 81.7 kGy25.7 – 487.3 kGy19.1 - > 500 kGy MQWA.C2.7 – 103.9 kGy 1.6 – 18.8 kGy 03/09/2012 LHC Collimation WG

14. Dose values Point 1 252.7 kGy 289.7 kGy 171.8 kGy 4.9 kGy 3.9 kGy 26.5 kGy first magnet after inner triplets and feedbox 03/09/2012 LHC Collimation WG