GSI FAIR GSI FAIR Technical Division Magnet Technology

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GSI および FAIR プロジェクトと、 加速器用超伝導マグネット開発の現状について 杉田 圭 GSI, FAIR Technical Division Magnet Technology Group

GSI および FAIR プロジェクトと、 加速器用超伝導マグネット開発の現状について 杉田 圭 GSI, FAIR Technical Division Magnet Technology Group 27 October 2009 Seminar KEK Cryogenics Science Center 1

Contents • GSI について • FAIR について • 超伝導マグネット開発 – SIS 100 – SIS

Contents • GSI について • FAIR について • 超伝導マグネット開発 – SIS 100 – SIS 300 • まとめ 27 October 2009 Seminar KEK Cryogenics Science Center 2

GSI について 現在の施設 • • Linear accelerator UNILAC Heavy ion (Schwerionen) synchrotron SIS 18

GSI について 現在の施設 • • Linear accelerator UNILAC Heavy ion (Schwerionen) synchrotron SIS 18 Experiment storage ring ESR Fragment separator FRS High-energy/high-efficiency laser PHELIX Several large systems of spectrometers and detectors Medical irradiation unit for cancer therapy 27 October 2009 Seminar KEK Cryogenics Science Center 4

GSI について • Heavy Ion Therapy – HIT (Heidelberg Ion-beam Therapy Center)など – ドイツ国内にいくつかの施設を建設予定

GSI について • Heavy Ion Therapy – HIT (Heidelberg Ion-beam Therapy Center)など – ドイツ国内にいくつかの施設を建設予定 • New element 107 108 109 110 111 112 Bohrium(ボーア) Hassium(ヘッセン) Meitnerium(マイトナー) Darmstadtium(ダルムシュタット) Roentgenium(レントゲン) ? 27 October 2009 Seminar KEK Cryogenics Science Center 5

FAIR について • 既存の加速器を入射器として活用 SIS 100/300 Super-FRS 27 October 2009 Seminar KEK Cryogenics Science

FAIR について • 既存の加速器を入射器として活用 SIS 100/300 Super-FRS 27 October 2009 Seminar KEK Cryogenics Science Center 6

FAIR について • SIS 18と比べて – Heavy ion beam • intensity x 100 •

FAIR について • SIS 18と比べて – Heavy ion beam • intensity x 100 • energy x 20 – IR beam • intensity x 10000 • 引き続き – Parallel operation – Electron cooling 27 October 2009 Seminar KEK Cryogenics Science Center 7

SIS 100 / J-PARC • 陽子加速器として比較 SIS 100 50 Ge. V Main ring Circumference

SIS 100 / J-PARC • 陽子加速器として比較 SIS 100 50 Ge. V Main ring Circumference 1083. 6 m 1567. 5 m Injection 2. 7 Ge. V 3 Ge. V Extraction 29 Ge. V 50 Ge. V 2. 5 x 1013 3. 3 x 1014 0. 2 Hz (1 Hz for U) 0. 3 Hz Bending radius 52. 632 m 89. 831 m Magnetic field 1. 9 T Magnetic rigidity 100 Tm 170 Tm Particles/pulse Repetition 27 October 2009 Seminar KEK Cryogenics Science Center 8

FAIR について • 総 費 1. 2 B€ (1630億円) – 75% ドイツ政府、ヘッセン州 – 25%

FAIR について • 総 費 1. 2 B€ (1630億円) – 75% ドイツ政府、ヘッセン州 – 25% international partners • Austria, China, Finland, France, Greece, India, Italy, Poland, Slovakia, Slovenia, Spain, Sweden, Romania, Russia, UK, Saudi Arabia, Hungary. • In-kind contribution(現物支給)or出 資 • 予算管理などはFAIR Gmb. H – GSIとは別の会社組織 (研究者なし) Seminar KEK Cryogenics Science Center 27 October 2009 – メンバーカントリーが株主 9

FAIR について • • • 02 05 06 07 08 09 政府が認定 国際協力プロジェクトとしてスタート Baseline

FAIR について • • • 02 05 06 07 08 09 政府が認定 国際協力プロジェクトとしてスタート Baseline Technical Report Kick-off event (Mo. U に各国がサイン) Technical Design Report …近くFAIR Gmb. Hが設立。。予定。 27 October 2009 Seminar KEK Cryogenics Science Center 10

FAIR について • 加速器のコンポーネントをworkpackage化。 • Eo. I(Expression of Interest)を表明したとこ ろが担当。 • 応募がなかった場合にはドイツのin-kindとな る予定。 •

FAIR について • 加速器のコンポーネントをworkpackage化。 • Eo. I(Expression of Interest)を表明したとこ ろが担当。 • 応募がなかった場合にはドイツのin-kindとな る予定。 • GSI の仕事 – 各コンポーネントの仕様決定 – Quality assurance/Acceptance test – ドイツのin-kind 27 October 2009 Seminar KEK Cryogenics Science Center 12

超伝導マグネット • SIS 100 – Dipole GSI, Babcock noell, JINR(Dubna, R&D) – Quadrupole JINR

超伝導マグネット • SIS 100 – Dipole GSI, Babcock noell, JINR(Dubna, R&D) – Quadrupole JINR – Correctors JINR, India? , GSI • Super-FRS – Dipole China, India – Multiplet (Q+Sext. +Oct. ) • Spain-superferric, France-costheta • SIS 300 – Dipole INFN(Genova) – Quadrupole IHEP(Protovino) – Corrector IHEP, GSI 27 October 2009 Seminar KEK Cryogenics Science Center 13

超伝導マグネット • SIS 100 main magnets – 2 -layer straight dipole • Successfully tested.

超伝導マグネット • SIS 100 main magnets – 2 -layer straight dipole • Successfully tested. – New requirement --> triangle cycle • Single layer, thicker sc wire. – Quadrupole prototype (Dubna) 27 October 2009 Seminar KEK Cryogenics Science Center 14

超伝導マグネット • SIS 100 sc correctors – Multipole(quad, sextu, octu: nested) – Steerer(H/V) nested

超伝導マグネット • SIS 100 sc correctors – Multipole(quad, sextu, octu: nested) – Steerer(H/V) nested – Chromaticity sextupole 27 October 2009 Seminar KEK Cryogenics Science Center 15

SIS 100 Corrector Cable • Nuclotron cable with insulated strands Cr. Ni wire Enamel

SIS 100 Corrector Cable • Nuclotron cable with insulated strands Cr. Ni wire Enamel insulated superconducting wire Cu. Ni tube I. d. 4 mm 1 -layer 50% overlapped 70μm Kapton 2 -layer 50% overlapped 50μm Kapton 1 -layer 50% overlapped 50μm Kapton • Wires are connected in series current leads 27 October 2009 soldering magnet Seminar KEK Cryogenics Science Center 16

SIS 100 Sc. Correctors • Requirements Multipole Corrector Winding Quad. Sext. Octu. Steerer Chrom.

SIS 100 Sc. Correctors • Requirements Multipole Corrector Winding Quad. Sext. Octu. Steerer Chrom. Sextupole H/V dipole Sextupole Number of magnets 12 84 48 Aperture diameter [mm] 150 120 (pole tip) Effective length [m] x Magnetic strength [T] at 40 mm reference 0. 75 x 0. 03 0. 75 x 0. 04 0. 75 x 0. 02 0. 5 x 0. 3 0. 5 x 0. 28 Ramp time [Seconds] 0. 15 0. 23 0. 2 0. 175 bipolar, individual unipolar series, 2 families Power converter and connection 27 October 2009 bipolar, individual Seminar KEK Cryogenics Science Center 17

Multipole Corrector • Design 27 October 2009 Seminar KEK Cryogenics Science Center 18

Multipole Corrector • Design 27 October 2009 Seminar KEK Cryogenics Science Center 18

Multipole Corrector • Computation results Quadrupole Sextupole Octupole 760 730 700 0. 029 0.

Multipole Corrector • Computation results Quadrupole Sextupole Octupole 760 730 700 0. 029 0. 041 0. 022 Number of wires per cable 10 22 19 Wire current [A] 249 245 251 Self inductance [m. H] 0. 35 4. 70 5. 58 Inductive voltage [V] 0. 58 5. 01 6. 10 11 141 176 Effective length [mm] Bn@straight section [T@ref] Stored energy [J] Hysteresis loss [J/cycle] 0. 73 Inter fil. coupling loss [J/ cyc le] 0. 27 Peak field on the cable [T] 0. 5 Margin on the load line [%] 44 Temperature margin [K] 2. 1 Peak field in the iron [T] 0. 78 a 2=0. 44, a 3=0. 66 (from end) Integral field error [%] Seminar KEK (2 nd Cryogenics 27 October 2009 b 10=0. 15 Quad), Science b 12=0. 08 Center (1 st Oct. ) 19

Multipole Corrector • Coupling (magnetization field) Excitation Q, S, O: Only Quad. , Sext.

Multipole Corrector • Coupling (magnetization field) Excitation Q, S, O: Only Quad. , Sext. , Octu. winding. A: All windings Degaussing Nominal Remanent 27 October 2009 Seminar KEK Cryogenics Science Center 20

Steerer & Chrom. sextu. • Design 1 7. 2° 27 October 2009 2 22°

Steerer & Chrom. sextu. • Design 1 7. 2° 27 October 2009 2 22° 3 38. 7 ° 61° Science Center Seminar KEK 4 Cryogenics 21

Steerer & Chrom. sextu. • Computation results Steerer Chrom. Sextupole 411 538 0. 365

Steerer & Chrom. sextu. • Computation results Steerer Chrom. Sextupole 411 538 0. 365 0. 26 Number of wires per cable 26 28 Wire current [A] 249 243 Self inductance [m. H] 17. 5 63 Inductive voltage [V] 21. 8 87. 5 Stored energy [J] 542 1860 Hysteresis loss [J/cycle] 0. 12 0. 47 Inter fil. coupling loss [J/ cyc le] 0. 17 1. 91 Peak field on the cable [T] 0. 58 1. 4 Margin on the load line [%] 44 30 Temperature margin [K] 2. 1 1. 4 Peak field in the iron [T] 1. 2 1. 9 Roxie 3 D model Effective length [mm] Bn@straight section [T@ref] a 1=0. 23 a 3=0. 06 Integral field error [%] Seminar KEK Cryogenics Science Center 27 October 2009 b 3=0. 64 b 6=0. 05 22

SIS 300 • Main dipole magnet – INFN Genova が設計 – プロトを作る予定 • 来年末には完成?

SIS 300 • Main dipole magnet – INFN Genova が設計 – プロトを作る予定 • 来年末には完成? • Quadrupole magnet – IHEP が設計 • Corrector – Design 4. 5 T, 1 T/sec. • GSI, IHEP – IHEP: 来年、プロトタイプ? 27 October 2009 Seminar KEK Cryogenics Science Center 23