Agenda Updates by L 3 s Updates about

Agenda • • Updates by L 3 s Updates about 2 nd generation x-section Status and plans for project preparation AOB G. Ambrosio 11/10/2020 1

L 3 updates • • Hi. Lumi – Gian. Luca HQ – Gian. Luca QXF Materials – Arup QXF W&C – Miao QXF R&I – Jesse QXF Structure – Helene QXF Testing – Guram G. Ambrosio 11/10/2020 2

2 nd Generation X-section • Ends optimization X-section optimization • Slides: https: //plone. uslarp. org/Magnet. RD/qxf/meetings/2015/folder. 2015 -03 -23. 7951648207/ G. Ambrosio 11/10/2020 3

Field quality 5. 00 units (Rref = 50 mm) 4. 00 b 6+ansys+3 D 3. 00 b 10 2. 00 b 14 1. 00 b 18 7 Te. V 0. 00 6. 5 Te. V 90 % 6. 5 Te. V -1. 00 -2. 00 0. 00 5. 00 10. 00 I (k. A) 15. 00 INTEGRAL OVER MAGNETIC YOKE EXTENSION + 100 mm Nb. Ti LEADS QXF_V 2_OPTION 2 2 D 3 D-SQXF 3 D-LQXF – 4. 2 m 3 D-LQXF – 7. 15 m 3 D+ANSYS-LQXF – 4 m 3 D+ANSYS-LQXF – 6. 8 m b 6 -1. 54 1. 85 -0. 57 -0. 97 0. 31 -0. 09 b 10 -0. 11 -0. 42 -0. 20 -0. 16 -0. 24 -0. 20 b 14 -0. 87 -0. 83 -0. 86 S. Izquierdo Bermudez a 2 0. 00 -8. 80 -2. 51 -1. 48 a 6 0. 00 0. 90 0. 26 0. 15 4

Coil shimming +125 µm Mid plane -125 µm Pole -125 µm Mid plane +125 µm Pole Δb 6 = -5, Δb 10=-0. 5 Δb 6 = +5, Δb 10=+0. 5 S. Izquierdo Bermudez 5

Peak field @ 7 Te. V Operating conditions at 7 Te. V • Inom = 16. 471 k. A • Bp = 11. 41 T • Gradient = 132. 6 T/m Strand Critical Current , (A) 1000 Peak field including strand self field Ic(4. 22 K) 900 Ic(1. 9 K) 800 700 600 I/Iss = 75. 4 % 500 400 Tcs = 7. 1 K 300 10. 0 11. 0 12. 0 13. 0 14. 0 15. 0 16. 0 Peak Field, (T) RRP strand, reduced Tin wire, 50 h 665 C, as presented by B. Bordini "QXF Cable Review, Nov 2014" https: //indico. cern. ch/event/338963/contribution/6 S. Izquierdo Bermudez 6

Coil Ends First generation coils 1066 mm 1104 mm Second generation coils Δ = -5 Δ = -9 Δ = -10 1081 mm Δ = 5 mm 1119 mm Δ = 10 mm Δ = -10 mm Detailed list with all the parameters available: https: //plone. uslarp. org/Magnet. RD/qxf/magdes/QXF_V 2/folder_contents S. Izquierdo Bermudez 7

Magnetic and Physical Lengths • Gradient = 132. 6 T/m at RT 7 Te. V • Magnetic Length at 1. 9 K : (Assuming longitudinal thermal contraction = 3 mm/m ) LQXF Q 1/Q 3 = 4. 2 m LQXF Q 2 = 7. 15 m 1200 1196. 4 LQXF Q 1/Q 3 4213 4200 LQXF Q 2 7171. 45 7150 mm 1310 4323 7281. 45 mm 1510 4523 7481 mm mm 1550 975 4563 3979 7521 6946 Parameters QXF_V 2 Units SQXF Magnetic length at RT Magnetic length at 1. 9 K Coil length at RT (from conductor to conductor) Overall coil length at RT (including splice extension) Magnetic yoke extension at RT Magnetic pad extension at RT mm mm S. Izquierdo Bermudez 8

LARP Plan for 2 nd gen parts • Plan is to design wedges and pole parts ASAP • Start fabrication of a few sets of wedges by machining • Start fabrication of die for wedge extrusion • Start fabrication of pole parts ASAP G. Ambrosio 11/10/2020 9