LHC IR UPGRADE — PHASE I CORRECTOR STATUS

LHC IR UPGRADE - PHASE I CORRECTOR STATUS UPDATE N. Dalexandro, N. Elias, M. Karppinen, J. Mazet, J-C. Perez, D. Smekens, G. Trachez D 1 03/02/10 QDX CP Q 3 Q 2 b M. Karppinen TE-MSC-ML Q 2 a Q 1 1

Corrector Package (CP) MCXT MCXSO MCXSS MCXO MCXS MQXS MCXBV ~0. 5 m ~0. 9 m ~1 m ~0. 5 m Current Integrated strength (field) MCXH IP ~1 m Aperture MCXB (B 1/A 1) +/- 2. 4 k. A 1. 5 Tm 140 mm MQXS (A 2) +/- 2. 4 k. A 0. 65 Tm @40 mm 140 mm MCXT (B 6 ) +/- 120 A 0. 075 Tm @ 40 mm 140 mm MCXO (B 4 ) +/- 120 A 0. 035 Tm @ 40 mm 140 mm MCXSO (A 4 ) +/- 120 A 0. 035 Tm @ 40 mm 140 mm MCXSS (A 3 ) +/- 120 A 0. 055 Tm @ 40 mm 140 mm MCXS (B 3 ) +/- 120 A 0. 055 Tm @ 40 mm 140 mm 03/02/10 M. Karppinen TE-MSC-ML 2

Correctors in Q 2 Q 3 Q 2 b MQXC MCXBV (MCXBHV? ) 10 m 1. 3 m Q 2 a MQXC 7 m Q 1 MCXBH MQXC (MCXBHV? ) 1. 3 m 10 m • Base-line (HV and VH) orbit corrector scheme allows controlling the orbit to a level 3 times larger that then BPM resolution. • To reach the same level as the effective BPM resolution : Ø Provide 1. 5 Tm (1. 8 Tm) in H&V-plane in BOTH locations. Ø Feasibility study underway on combined H/V-corrector that meets the reliability requirements (Report by Mid-2010 + Model work. . ) • An extra H/V pair means: Ø Magnet R&D, material R&D, design, component & tooling procurement Ø Additional powering and protections circuits REF: S. Fartoukh, R. Tomas, J. Miles: “Specification of the Closed Orbit Corrector magnets for the NEW Inner Triplets”, s. LHC Project Report 030 03/02/10 M. Karppinen TE-MSC-ML 3

Radiation Environment (Q 2 a & CP) Courtesy of F. Cerrutti & A. Mereghetti EN-STI-EET, FLUKA-team 03/02/10 M. Karppinen TE-MSC-ML 4

Radiation Environment (s. LHC v 2. 0) • Luminosity: 2 L 0 = 2 × 1034 cm-2 s-1 & 1000 fb-1 • Peak dose CP: • ~50. . 65 MGy • ~30. . 35 MGy • ~10 MGy ø 120 mm aperture, no shielding ø 140 mm aperture, 10 mm SS • Peak dose in Q 2 (with 13 mm liner in Q 1): • ~28 MGy, • ~ 8 MGy ø 120 mm aperture, no shielding ø 140 mm aperture, 10 mm SS Courtesy of F. Cerrutti & A. Mereghetti EN-STI-EET, FLUKA-team 03/02/10 M. Karppinen TE-MSC-ML 5

Organization • MCXB Ø Design Ø Model Ø Series (20 off) • MQXS Ø Design Ø Model & R&D Ø Series (5 off) • CERN Special French Contribution/CERN? CERN & STFC Special French Contribution/CERN? MCXS and other Higher Order Correctors (TBC) Ø Design Ø Model Ø Series (5 off) CIEMAT Special French Contribution/CERN? • Testing (cold) Ø at CERN Ø Plan B for Models: RAL, CEA (TBC) • Cold mass integration and cryostat assembly at CERN 03/02/10 M. Karppinen TE-MSC-ML 6

Organization: STFC Involvement • R&D on coated metallic end spacers for cosƟ coils (rad resistance, alternatively usable for thermal reaction of Nb 3 Sn Coils) • Validation of porous all polyimide insulation for the 18 strand Rutherford cable • Study of E-modulus of the insulated cable / dielectric properties • Assembly of the models at CERN (short mech. model & model) 03/02/10 M. Karppinen TE-MSC-ML 7

NIT Funding Courtesy of S. Russenschuck 03/02/10 M. Karppinen TE-MSC-ML 8

MCXB 4 -Block Design Ø 5 70 1000 Ø 14 0 Field strength Operating temp Current Inductance New 4. 37 mm cable & Polyimide insulation Self-supporting collars Single piece yoke 1. 5 Tm 1. 9 K 2. 4 k. A 10 m. H Courtesy of L. Favre 03/02/10 M. Karppinen TE-MSC-ML 9

MCXB Initial 6 -Block Design Unit Integrated field Tm 6 Nominal field T 4. 0 Mag. length m 1. 50 Nominal current A 2438 Stored energy k. J 233 Self inductance m. H 78 Working point Cable width/mid-height Total length Aperture Total mass 03/02/10 M. Karppinen TE-MSC-ML 60% mm 4. 37 / 0. 845 m 1. 8. . 2 mm Ø 140 kg ~2700 10

MCXB Single-Layer Design Unit Integrated field Tm 1. 5 Nominal field T 2. 3 Mag. length m 0. 65 Nominal current A 2400 Stored energy k. J 28 Self inductance m. H 10 Working point Cable width/mid-height Total length Aperture Total mass 03/02/10 M. Karppinen TE-MSC-ML 50% mm 4. 37 / 0. 845 m ~1 mm Ø 140 kg ~2000 11

18 -Strand Cable Parameters Strand parameters No of strands 18 Cu: Sc 1. 75 Strand diameter 0. 48 mm Metal area 3. 257 mm 2 Metal section 0. 181 mm 2 Cable thickness 0. 845 mm No of filaments 2300 Cable width 4. 370 mm Filament diam. 6. 0 µm Cable area 3. 692 mm 2 I(5 T, 4. 2 K) 203* A Metal fraction 0. 882 jc 3085* A/mm 2 Key-stone angle 0. 67 degrees Inner Thickness 0. 819 mm Outer Thickness 0. 870 mm *) extracted strand March -09 Polyimide Insulation: 2 x 25µm + 55 µm Trial cabling length (~100 m) done! Insulation trials & characterization in progress. . 03/02/10 M. Karppinen TE-MSC-ML 12

Cable Insulation 03/02/10 M. Karppinen TE-MSC-ML 13

Cable insulation 03/02/10 M. Karppinen TE-MSC-ML 14

Conductor and Insulation Needs 18 -strand Cable MCXB MQSX Unit Cable Length 320 30 m Total Cable Length 7. 2 1. 2 km Total Strand (+5%) Polyimide 25 µm 136 6 22. 7 km 1. 2 kg 7 1. 3 kg Polyimide 55 µm ~250 km of strand in stock @CERN 03/02/10 M. Karppinen TE-MSC-ML 15

MCXB 4 -Block Design: FEA Courtesy of N. Elias 150 mm model to verify material properties and assembly parameters 03/02/10 M. Karppinen TE-MSC-ML 16

MCXB 3 D (return end) Design current = 2. 4 k. A Coil length = ˜ 0. 84 m Total length = ˜ 1 m B 1= 0. 37 Tm x 2 + 2. 28 T x 0. 34 m = 1. 5 Tm ENDS b 3= -0. 04 units b 5= -13. 48 units b 7= -9. 11 units b 9= -2. 14 units b 11= -0. 82 units 03/02/10 M. Karppinen TE-MSC-ML STRAIGHT ˜ 26 0 m m 17

MCXB 3 D Harmonics Integrated Field (2. 4 k. A) B 1 1. 5 Tm b 3 0. 20 unit b 5 -3. 59 unit b 7 -4. 46 unit b 9 -0. 84 unit b 11 -0. 41 unit a 1 a 3 a 5 a 7 a 9 a 11 -22. 71 unit 6. 32 unit -0. 52 unit -0. 07 unit 0. 03 unit -0. 02 unit 03/02/10 M. Karppinen TE-MSC-ML 18

MCXB 4 -Block Design Quench (3 k. A) Rd = 0. 16 Ω Warm diode No heaters 03/02/10 M. Karppinen TE-MSC-ML 19

MQXS Assembly Ø 5 70 900 Ø 14 0 New 4. 37 mm cable & Polyimide insulation Single layer coils Self-supporting collars Single piece yoke Field strength Gradient Operating temp Current Inductance 0. 65 Tm 25. 5 T/m 1. 9 K 2. 4 k. A 3. 3 m. H Courtesy of G. Villiger 03/02/10 M. Karppinen TE-MSC-ML 20

MQSX Initial 2 -Layer Design Unit Nominal gradient T/m 40 Mag. length m 0. 5 Nominal current A 1602 Stored energy k. J 19. 1 Self inductance m. H 15 Working point Cable width/mid-height <55% mm Cu/Sc Total length Aperture Total mass 03/02/10 M. Karppinen TE-MSC-ML 3. 40 / 0. 845 1. 2 m ~0. 8 mm ø 140 kg ~500 21

MQSX Single-Layer Base-Line Design Unit Nominal gradient T/m 21 Mag. length m 0. 64 Nominal current A 2400 Stored energy k. J 8. 8 Self inductance m. H 3. 0 Working point Cable width/mid-height 44 % mm Cu/Sc Total length Aperture Total mass 03/02/10 M. Karppinen TE-MSC-ML 4. 37 / 0. 845 1. 2 m ~0. 9 mm ø 140 kg ~500 22

MQSX 3 D (return end) Design current = 2. 4 k. A Coil length = 0. 7 m Total length = ~0. 9 m A 2(40 mm)= 0. 087 Tm x 2 + 1. 02 T/m x 0. 47 m = 0. 65 Tm ENDS a 6= -0. 39 units a 10= 0. 01 units a 14= 1. 35 units 03/02/10 M. Karppinen TE-MSC-ML STRAIGHT ˜ 12 0 m m 23

MQSX 3 D harmonics Integrated Field (2. 4 k. A) A 2 0. 65 Tm a 6 0. 04 unit a 10 0. 25 unit a 14 -1. 37 unit b 2 b 6 b 10 b 14 03/02/10 19. 59 unit 0. 49 unit -0. 08 unit -0. 01 unit M. Karppinen TE-MSC-ML 24

MQSX Single Layer Design Quench (3 k. A) Rd = 0. 16 Ω Warm diode No heaters 03/02/10 M. Karppinen TE-MSC-ML 25

MQXS Single-Layer Design: FEA 03/02/10 M. Karppinen TE-MSC-ML Courtesy of N. Elias 26

Super-ferric MCSX Courtesy of Iker Rodriguez (CIEMAT) • • • Design report in progress This concept is no longer compatible with the requirements Updated scope of CIEMAT’s involvement being discussed 03/02/10 M. Karppinen TE-MSC-ML 27

Next steps… • • • Optics studies => Confirm parameters & Lay-out (getting there. . ) Cabling & insulation trials and characterization (in progress. . ) Detailed fabrication design (magnet & tooling) (in progress. . ) Model magnet construction (MCXB, MQXS) Feasibility study of combined H-V orbit corrector (in progress. . ) Ø Material R&D, Trials, Magnet model. . ? • Higher order correctors Ø Ø Magnetic and mechanical designs Material R&D Conductor procurement Model/prototype magnets construction 03/02/10 M. Karppinen TE-MSC-ML (Feb -10. . Sep -10) (Mar -10. . Nov -10) (Aug -10. . Jul -11) (Jul -11. . May -12) 28

Milestones… (MCXB & MQXS) • • • Parameter list Magnetic and mechanical design Fabrication drawings Trial coils Mechanical model Model magnets completed Technical specifications Industrial contracts Pre-series magnets Series production 03/02/10 M. Karppinen TE-MSC-ML Oct-09. . Jan-10 Nov-09 May-10 Jul-10 May-10 & Jul -10 Dec-10 Mar-11 Jul-12 Sep-12. . Dec-13 29

Preliminary Cost-estimate Low Profile Costing, considering free material (SC cable, steel for collars, iron for laminations), and Contractors already equipped with curing press and collaring press. 03/02/10 M. Karppinen TE-MSC-ML 30

Yet To Define… • Integration & Parameters Ø Final optics, Orbit correction scheme, error tables Ø Bus-bar routing and X-sections Ø Cold-mass & Cryo-magnet integration Ø QPS design and lay-out • Contractual Ø Scope of Special French contribution Ø Industrial procurement and/or in-house production Ø Testing • Funding. . 03/02/10 M. Karppinen TE-MSC-ML 31