SC Quadrupole Magnets in ILC Cryomodules

Slides:



Advertisements
Similar presentations
Main Linac Simulation - Main Linac Alignment Tolerances - From single bunch effect ILC-MDIR Workshop Kiyoshi KUBO References: TESLA TDR ILC-TRC-2.
Advertisements

Recirculating pass optics V.Ptitsyn, D.Trbojevic, N.Tsoupas.
April 24, 2008 FNAL ILC SCRF Meeting 1 Main Linac Superconducting Quadrupole V. Kashikhin, T. Fernando, J. DiMarco, G. Velev.
SRF Results and Requirements Internal MLC Review Matthias Liepe1.
The HiLumi LHC Design Study is included in the High Luminosity LHC project and is partly funded by the European Commission within the Framework Programme.
ILC RTML Lattice Design A.Vivoli, N. Solyak, V. Kapin Fermilab.
Proposed machine parameters Andrei Seryi July 23, 2010.
The Overview of the ILC RTML Bunch Compressor Design Sergei Seletskiy LCWS 13 November, 2012.
SB2009/ Low energy running for ILC International Workshop on Linear Colliders 2010 Andrei Seryi John Adams Institute 19 October 2010.
880.P20 Winter 2006 Richard Kass 1 The Large Hadron Collider LHC is located at CERN CERN is located near Geneva Part of CERN is in France The LHC collides.
N.Solyak, RTMLALCPG 2009,Albuquerque, Oct.2 1 ILC RTML Upgrade in SB2009 Nikolay Solyak Fermilab.
Electron Source Configuration Axel Brachmann - SLAC - Jan , KEK GDE meeting International Linear Collider at Stanford Linear Accelerator Center.
16 August 2005PT for US BC Task Force1 Two Stage Bunch Compressor Proposal Snowmass WG1 “It’s the latest wave That you’ve been craving for The old ideal.
SINGLE-STAGE BUNCH COMPRESSOR FOR ILC-SB2009 Nikolay Solyak Fermilab GDE Baseline Assessment Workshop (BAW-2) SLAC, Jan , 2011 N.Solyak, Single-stage.
17 th November, 2008 LCWS08/ILC08 1 BDS optics and minimal machine study Deepa Angal-Kalinin ASTeC & The Cockcroft Institute Daresbury Laboratory.
Damping Ring Parameters and Interface to Sources S. Guiducci BTR, LNF 7 July 2011.
Nick Walker AD&I WebEx Meeting TeV Upgrade Study AD&I WebEx Meeting Nick Walker 1 Brief summary of ALCPG’11 discussions.
Kiyoshi Kubo Electron beam in undulators of e+ source - Emittance and orbit angle with quad misalignment and corrections - Effect of beam pipe.
Progress and Plans for R&D and the Conceptual Design of the ILC Main Linacs H. Hayano, KEK PAC2005 5/18/2005.
By Verena Kain CERN BE-OP. In the next three lectures we will have a look at the different components of a synchrotron. Today: Controlling particle trajectories.
GDE Main Linac and RTML Beam Dynamics Conveners: Nikolay Solyak, Cris Adolphsen, Kyioshi Kubo April 20, Room 303, 14:30 – 18:00.
DMS steering with BPM scale error - Trial of a New Optics - Kiyoshi Kubo
Status of RTML design in TDR configuration A.Vivoli, N. Solyak, V. Kapin Fermilab.
N. Walker, K. Yokoya LCWS ’11 Granada September TeV Upgrade Scenario: Straw man parameters.
Synchronization Issues in MEIC Andrew Hutton, Slava Derbenev and Yuhong Zhang MEIC Ion Complex Design Mini-Workshop Jan. 27 & 28, 2011.
ML (BC) Studies update Nikolay Solyak Arun Saini.
MLI Summary Chris Adolphsen SLAC. Summary of MLI Talks Quadrupoles (V. Kashikhin) –Expect test of a SLAC/CIEMAT and FNAL cos(2phi), ~ 60 T/m, SC Quads.
ILC Main Linac Superconducting Quadrupole V. Kashikhin for Superconducting Magnet Team.
Main Linac Issues for RDR 1/20/2006 Area group H. Hayano From Linac Area discussion posted on the web:
BDS/MDI Deepa Angal-Kalinin Andrei Seryi AD&I Meeting, DESY, May 29, 2009.
ILC Main Linac Superconducting Cryogen Free Splittable Quadrupole Technical Design V. Kashikhin for Superconducting Magnet Team.
MLI Update Chris Adolphsen SLAC. CAVITY VESSEL T4CM QUAD T4CM BPM QUADS LEADS 80K BLOCK 4K BLOCK Quadrupole Package.
FNAL Workshop, July 19, 2007 ILC Main Linac Superconducting Quadrupole V.Kashikhin 1 ILC Main Linac Superconducting Quadrupole (ILC HGQ1) V. Kashikhin.
Superconducting Cryogen Free Splittable Quadrupole for Linear Accelerators Progress Report V. Kashikhin for the FNAL Superconducting Magnet Team (presented.
September 27, 2007 ILC Main Linac - KOF 1 ILC Main Linac Superconducting Quadrupole V. Kashikhin for Magnet group.
3.1 Main linac layout and parameters 3 SCRF Main Linacs50Yamomoto 31 Main linac layout and parameters5Adolphsen 31.1 Main Linac layout for flat site 31.2.
ILC Main Linac Beam Dynamics Review K. Kubo.
Jim Kerby Fermilab With many thanks to Vladimir Kashikhin, the FNAL, KEK, and Toshiba teams. SCRF BTR Split Quadrupole ILC ML & SCRF Baseline Technical.
From Beam Dynamics K. Kubo
Arun Saini, N. Solyak Fermi National Accelerator Laboratory
ILC DR Lower Horizontal Emittance, preliminary study
J-PARC main ring lattice An overview
ILC - Upgrades Nick Walker – 100th meeting
For Discussion Possible Beam Dynamics Issues in ILC downstream of Damping Ring LCWS2015 K. Kubo.
Beam Dynamics in Curved ILC Main Linac (following earth curvature)
ILC Z-pole Calibration Runs Main Linac performance
Summary of WG2 :CFS for staging
Large Booster and Collider Ring
Status and Plan of GDE Design Work (Including Road Map for RDR)
Pretzel scheme of CEPC H. Geng, G. Xu, Y. Zhang, Q. Qin, J. Gao, W. Chou, Y. Guo, N. Wang, Y. Peng, X. Cui, T. Yue, Z. Duan, Y. Wang, D. Wang, S. Bai,
AD & I : BDS Lattice Design Changes
Yingshun Zhu Accelerator Center, Magnet Group
Compact and Low Consumption Magnet Design The DESY Experience
ILC BDS Emittance Diagnostics: Design and Requirements
Electron Source Configuration
Matthias Liepe Zachary Conway CLASSE, Cornell University June 1, 2009
LHC (SSC) Byung Yunn CASA.
Update on Dark current generation in ILC Main Linac
Beam-Based Alignment Results
Collider Ring Optics & Related Issues
FNAL Superconducting Quadrupole Test
Negative Momentum Compaction lattice options for PS2
Barry Barish Paris ICHEP 24-July-10
Negative Momentum Compaction lattice options for PS2
Electron Collider Ring Magnets Preliminary Summary
Fanglei Lin, Yuhong Zhang JLEIC R&D Meeting, March 10, 2016
Alternative Ion Injector Design
Fanglei Lin MEIC R&D Meeting, JLab, July 16, 2015
More on MEIC Beam Synchronization
Fanglei Lin JLEIC R&D Meeting, August 4, 2016
Presentation transcript:

SC Quadrupole Magnets in ILC Cryomodules Reported by Akira Yamamoto CM Meeting, Feb. 28, 2012 12/02/28, A. Yamamoto ILC-CM SC Quadrupole

Concerns and Actions Beam handling capacity after energy upgrade Change beam dynamics Field instability in lowest energy (< 10 %) operation Provide a shorter magnet design with separation of dipole from quadrupole, Stability of axis and Ramping property To be confirmd by condcution cooling test 12/02/28, A. Yamamoto ILC-CM SC Quadrupole

Requirements to SC Quad. And Dipole Provided by K. Yokoya and K. Kubo Nominal length Nominal field (G.) Static Field in max. Ramping Quad ~ 0.6 m 50 T/m 30 T/m*m 0.01 T/m*m/sec (0.03% /sec) Dipole 0.1 T 0.05 T*m 3E-4 Tm/sec (0.6 % /sec) Model Magnet Design: 120 % to nominal design 12/02/28, A. Yamamoto ILC-CM SC Quadrupole

Quadrupole Specification & Superconductor Integrated gradient, T 36 Aperture, mm 78 Effective length, mm 666 Peak gradient, T/m 54 Peak current, A 100 Field non-linearity at 5 mm radius, % 0.05 Quadrupole strength adjustment for BBA, % -20 Magnetic center stability at BBA, um 5 Liquid Helium temperature, K 2 Quantity required 560 NbTi wire diameter, mm 0.5 Number of filaments 7242 Filament diameter, um 3.7 Copper : Superconductor 1.5 Insulated wire diameter, mm 0.54 Insulation Formvar Twist pitch, mm 25 RRR of copper matrix 100 Critical current Ic @ 4.2K, at 5T 204 A 12/02/28, A. Yamamoto ILC-CM SC Quadrupole

A possibility: Combined Function Main Quadrupole Positive: 1, 3, Negative: 2, 4, Corrector Dipole Positive: 1, 4 Negative: 2, 3 12/02/28, A. Yamamoto ILC-CM SC Quadrupole

Fermilab Model Magnet 12/02/28, A. Yamamoto ILC-CM SC Quadrupole

SC Quadrupole Design in TDR, Proposed The SC quadrupole magnet design needs to satisfy very wide range of beam energy (i.e. magnetic field strength) including energy upgrade to 1 TeV A standard magnet design: optimized to cover the energy range of approximately 10 to 100 % of 250 GeV operation, based on the requirements of a FoDo like lattice. The same magnets can be used to accommodate beam energies of 260-500 GeV for the TeV upgrade, using a FoFoDoDo lattice. An additional magnet design: specifically in the lower energy operation below 10 % of the full magnetic field (< 25 GeV beam operation). The magnet field strength may be stronger and the length can be shorter, in order to minimize the associated field instability. It is prudent to separate the quadrupole magnet from dipole corrector magnet, placing them adjacent along the beam-line axis. The exact design and configuration of the SCRF magnets remains an important action item. It is assumed, however, that all magnet package solutions will fit the single defined interface conditions in the cryomodule, thus avoiding the need for more than one cold-mass variant. 12/02/28, A. Yamamoto ILC-CM SC Quadrupole

SC Quadrupole in Cryomodule Suspended by GRP 12/02/28, A. Yamamoto ILC-CM SC Quadrupole

Cryomodule Cross-Section   LHe supply pipe Quadrupole cold mass Thermal leads to LHe supply pipe 12/02/28, A. Yamamoto ILC-CM SC Quadrupole V. Kashikhin, FNAL Review, March 2, 2010

From 500 to 1000 GeV ultra-high gradient R&D >2012 Quad: FD-FD <26 km ? (site length <52 km ?) 1.1 km <10.8 km ? 10.8 km 1.3 km 2.2 km Main Linac BDS Quad: FD-FD e+ src Quad: FF-DD IP bunch comp. Main Linac <Gcavity> = 31.5 MV/m Geff ≈ 22.7 MV/m (fill fact. = 0.72) ultra-high gradient R&D >2012 central region Snowmass 2005 baseline recommendation for TeV upgrade: Gcavity = 36 MV/m ⇒ 9.6 km (VT ≥ 40 MV/m) Based on use of low-loss or re-entrant cavity shapes N. Walker 12/02/28, A. Yamamoto ILC-CM SC Quadrupole

Quad Strength Quad strength is defined by quad spacing, required phase advance (μ) and beam energy. For flexibility quad should provide optics with phase advance μ=90° up to final energy E=250 GeV (~20%) Extra strength will need for matching. Lattice with quad spacing s = 38 m (9+8+9 cavities in RF unit) Lquad (effective) = 0.626 m (in TESLA design) or Final choice for gradient: Allow to tune up to μ=90° phase advance @ 250 GeV Additional ~ 20% overhead for lattice matching 12/02/28, A. Yamamoto ILC-CM SC Quadrupole

Corrector strength Maximum required strength of corrector is defined from the following assumptions: Energy = 250 GeV; μ= 90º; (RDR: μx /μy = 75º/60º) Quad offset: rms = 0.3 mm; (3  0.9 mm) Max beam offset 3 mm at energy 250 GeV (<10% of strength needs to deflect beam along the Earth curvature) Max current: (at 250 GeV) = 40A Stability: same as for quads. Field change: by a few percent in 0.2 s, every 0.2 s Change step: (equivalent ~1μm of quad center motion) 2.e-6 T*m at 15 GeV; 3.e-5 T*m at 250 GeV 12/02/28, A. Yamamoto ILC-CM SC Quadrupole

Test Circuit 12/02/28, A. Yamamoto ILC-CM SC Quadrupole

Main Linac Type-4 Cryomodule Quad and Correctors BPM SCRF 300 mm pipe Central support Space available for Quad Total package: ~1.3m, incl. BPM: ~170 mm Quad: ~ 660 mm correctors: 335 mm TESLA TDR ILC Combined or stand alone correctors (Quad center stability issues) ? 12/02/28, A. Yamamoto ILC-CM SC Quadrupole

Number of SC quads (RDR and SB2009) RTML(5-15 GeV) # CM # Quad e-/e+ Bunch compressor 45 / 45 17/17 Total 90 34 Main linac (15-250 GeV) # CM # Quad Electron Linac* 846 282 Positron Linac 834 278 Overhead (3.5%) 30+30 10+10 Total 1680+60 560+20 * Incl. 12 CMs to recover 3.23 GeV energy losses in undulator Note: each quad is combined with vertical corrector, every second quad has also horizontal corrector Proposed changes in SB2009 lattice: Single stage compressor: 6 CM’s (quad in each) Post-acceleration 5  15 GeV is part of ML Total number of CM’s is reduced by 3, but # quads increases +1 12/02/28, A. Yamamoto ILC-CM SC Quadrupole

J.Tompkins, PAC’07 12/02/28, A. Yamamoto ILC-CM SC Quadrupole

Quadrupole R&D Work at Fermilab Fermilab: V. Kashikhin et al., Test results of superconducting quadrupole model for linear colliders This conference, 4LPA01, SLAC/CIEMAT: C. Adolphsen et al 12/02/28, A. Yamamoto ILC-CM SC Quadrupole

Quadrupole R&D Work at Fermilab Fermilab: V. Kashikhin et al., Test results of superconducting quadrupole model for linear colliders This conference, 4LPA01, 12/02/28, A. Yamamoto ILC-CM SC Quadrupole