Superconducting RF

Summary of the SCRF BTR at KEK

  • Summary of decisions from Main Linac and SCRF Baseline Technical Review: D*0977465

 

Cavity preparation

RDR References
  • 7.1, 140: F. Furuta et al., "Experimental comparison at KEK of high gradient performance of different single cell superconducting cavity designs,"
    In the Proceedings of 10th European Particle Accelerator Conference (EPAC 06), Edinburgh, Scotland, 26-30 Jun 2006, pp 750-752 (MOPLS084).
  • 7.2: R. L. Geng et al., "High gradient activities at Cornell: Reentrant cavities,"
    Poster presented at 12th International Workshop on RF Superconductivity, Ithaca, New York, 10-15 Jul 2005 (TUP43).
  • 8: P. Kneisel, G. R. Myneni, G. Ciovati, J. Sekutowicz and T. Carneiro, "Preliminary Results From Single Crystal And Very Large Crystal Niobium Cavities,''
    JLAB-ACC-05-343, DOE-ER-40150-3362 (2005).
    In the Proceedings of Particle Accelerator Conference (PAC 05), Knoxville, Tennessee, 16-20 May 2005, pp 3991 (WPAP047).
    DOI: 10.1109/PAC.2005.1591693
  • 137: T. Saeki et al., "Series test of high-gradient single-cell superconducting cavity for the establishment of KEK recipe,"
    In the Proceedings of 10th European Particle Accelerator Conference (EPAC 06), Edinburgh, Scotland, 26-30 Jun 2006, pp 756-758 (MOPLS087).
  • 138: K. Saito, H. Inoue, E. Kako, T. Fujino, S. Noguchi, M. Ono and T. Shishido, "Superiority of electropolishing over chemical polishing on high gradients,"
    Part. Accel. 60 (1998) 193.
    http://cdsweb.cern.ch/search?sysno=000320280CER
  • 139: K. Saito et al., "Water rinsing of the contaminated superconducting RF cavities,"
    KEK-PREPRINT-95-218 1996). Talk given at the 7th Workshop on RF Superconductivity, CEA-Saclay, 17-20 Oct 1995, Gif-sur-Yvette, France (C04).
  • 141: V. Shemelin and H. Padamsee, "Superconducting Multicell Cavity with Reentrant Cells,"
    Cornell preprint SRF-050808-06 (2005).
  • 142: G. Eremeev and H. Padamsee, "A comparison of large grain and fine grain cavities using thermometry,"
    In the Proceedings of 10th European Particle Accelerator Conference (EPAC 06), Edinburgh, Scotland, 26-30 Jun 2006, pp 475-477 (MOPCH176).
Further References
  • B. Aune et al., "The superconducting TESLA cavities,''
    Phys. Rev. ST Accel. Beams 3 (2000) 092001 [arXiv:physics/0003011].
    DOI: 10.1103/PhysRevSTAB.3.092001
  • Matthias U. Liepe,
    "Superconducting Multicell Cavities for Linear Colliders,"
    PhD thesis Univ. Hamburg, DESY-THESIS-2001-045 (2001).
  • R. Geng, "Review of new shapes for higher gradients,"
    Physica C441 (2004) 145-150.
    DOI: 10.1016/j.physc.2006.03.029
  • K. Saito, "Gradient Yield Improvement Efforts for Single and Multi-Cells And Progress for Very High Gradient Cavities,"
    Proceedings of the SRF Workshop 2007, Beijing, China, Oct. 14-19, 2007, pp. 82-93 (TU202). (2007)

 

Cavity integration

 Mandatory Documents

  • Cavity parameters (draft, not yet released): D*0973245 (Excel)
  • Cavity assembly overview (poster, 9.11.12)): D*1007135

 

CAD Models

Tuner

  • V. P. Yakovlev, J. L. Hirshfield and S. Kazakov, "1.3-GHz electrically-controlled fast ferroelectric tuner,"
    In the Proceedings of 10th European Particle Accelerator Conference (EPAC 06), Edinburgh, Scotland, 26-30 Jun 2006, pp 487-489 (MOPCH181).
  • F. Furuta, Y. Higashi, T. Higo, T. Saeki, K. Saito, M. Satoh and H. Yamaoka, "Test Operation of Ball Screw Type Tuner for Low Loss High Gradient Superconducting Cavity in a Cryomodule,"
    In the Proceedings of Particle Accelerator Conference (PAC 07), Albuquerque, New Mexico, 25-29 Jun 2007, pp 2104 (WEPMN026) DOI: 10.1109/PAC.2007.4441164 â

Blade Tuner

  • C. Pagani et al., "Improvement of the blade tuner design for superconducting RF cavities,"
    In the Proceedings of Particle Accelerator Conference (PAC 05), Knoxville, Tennessee, 16-20 May 2005, pp 3456-3458 (TPPT059).
  • C. Pagani et al., "ILC coaxial blade tuner,"
    In the Proceedings of 10th European Particle Accelerator Conference (EPAC 06), Edinburgh, Scotland, 26-30 Jun 2006, pp 466-468 (MOPCH171).
  • A. Bosotti, C. Pagani, N. Panzeri, and R. Paparella, "The Coaxial Blade Tuner Ð Final Report and Evaluation of Operation,"
    CARE-Report-2008-018-SRF (2008). 
  • A. Bosotti et al., "Full Characterization of the Piezo Blade Tuner for Superconducting RF Cavities,"
    In the Proceedings of 11th European Particle Accelerator Conference (EPAC 08), Magazzini del Cotone, Genoa, Italy, 23-27 Jun 2008 (MOPP120).
  • A. Bosotti, C. Pagani and N. Panzeri, "Improved Design of the ILC Blade Tuner for Large Scale Production,"
    In the Proceedings of Particle Accelerator Conference (PAC 07), Albuquerque, New Mexico, 25-29 Jun 2007, pp 2089-2091 (WEPMN020).
  • C. Pagani, A. Bosotti and R. Paparella, "WP8 - Blade Tuner Deliverable 8.2 : Report on Blade Tuner activity,"
    ILC-HiGrade-Report-2010-001-1 (2010).

DESY / Saclay Piezo Tuner

  • P. Bosland, Bo Wu, "Mechanical study of the 'Saclay piezo tuner' PTS (Piezo Tuning System),"
    CARE-Note-2005-004-SRF (2005). 
  • C. Pagani et al., "Report on Fast Piezo Blade Tuner (UMI Tuner) for SCRF Resonators Design and Fabrication,"
    CARE-Note-2005-021-SRF (2005).

KEK Slide Jack Tuner

  • Y. Yamamoto et al., "Experimental Result of Lorentz Detuning in STF Phas10-1 at KEK-STF,"
    In the Proceedings of SRF2009, Berlin, Germany, pp. 188-192 (TUPPO007).  
  • R. Paparella et al., "Tuner Performance in the S1-global Cryomodule,"
    In the Proceedings of the 2nd International Particle Accelerator Conference: IPAC 2011, San Sebastian, Spain, 4-9 Sep 2011, pp. 286-288 (MOPC090).

Input Coupler

  • S. Michizono et al., "TiN Film coatings on alumina radio frequency windows, "
    J. Vac. Sci. Tech. A 10 (1992) 1180-1184.
    DOI: 10.1116/1.578223 
  • W.-D. Moeller [TESLA Collaboration], "High power coupler for the TESLA Test Facility,"
    in the Proceedings of the 9th Workshop on RF Superconductivity, SRF-1999, Santa Fe, Vol.2, pp.577-581 (THA010).
  • M. Ukkola and P. Yla-Oijala, "Numerical Simulation of Electron Multipacting in TTF III Cold Window with a DC Bias,"
    Helsinki Institute of Physics, Finland, Technical Report, 2000.
    The next reference should be used instead!
  • P. Yla-Oijala and M. Ukkola, "Suppressing electron multipacting in ceramic windows by DC bias,"
    Nucl. Instrum. Meth. A 474 (2001) 197-208.
    DOI: 10.1016/S0168-9002(01)00882-8
  • B. Dwersteg, D. Kostin, M. Lalayan, C. Martens, W.-D. Moeller,
    "Tesla RF Power Couplers Development at DESY,"
    in the Proceedings of the 10th Workshop on RF Superconductivity, SRF-2001, September 6-11, 2001, Tsukuba, Japan, pp.443-447 (PT001).
  • J. Lorkiewicz et al., "Surface TiN Coating of TESLA Couplers at DESY as an Antimultipactor Remedy,"
    in the Proceedings of the 10th Workshop on RF Superconductivity , SRF-2001, September 6-11, 2001, Tsukuba, Japan, in KEK Proceedings 2003-2, pp.448-452 (PT002).
  • H. Jenhani et al., “Studies on Input Couplers for Superconducting Cavities”, LINAC08, Victoria, BC,
    Canada (2008) p972-974
    (THP077).
  • H. Jenhani et al., "RF conditioning studies of input power couplers for superconducting cavities operating in pulsed mode,"
    Nucl. Instr. and Meth. A595 (2008) 549-560,
    DOI: 10.1016/j.nima.2008.07.111
  • E. Kako et al., "Advances and Performance of Input Couplers at KEK,"
    In the Proceedings of14th International Conference on RF Superconductivity (SRF2009), Berlin, Sep. 20-25, 2009, pp. 485-490 (THOBAU02).
  • M. Lacroix, F. Richard, L. Lukovac and W. Kaabi, "Coupler status,"
    ILC-HiGrade-Report-2010-002-1 (2010).

HOM Coupler

  • J. Sekutowicz,
    "Higher Order Mode Coupler for TESLA,"
    in the Proceedings of the 6th Workshop on RF Superconductivity, October 4-8, SRF-1993, Newport News, Virginia, USA 426-439 (SRF93G04)

Magnetic Shield

  • A. Koski and S. L. Wipf, "Magnetic shielding of an accelerator beam using passive ferromagnetic material,"
    IEEE Trans. Magnetics 32 (1996) 2663.
    DOI: 10.1109/20.511422

Cryomodules

Mandatory Documents
  • Cryomodule parameters (15.10.2012): D*0973345
Other EDMS Documents
  • Type 4 Cryomodule (T4CM) CAD model: D*0990821
  • BPM / Corrector / Quad package drawing: D*0990665
  • S1-GlobalReport (draft version 2012.08.15): D*1005135
Cryomodule References
  • C. Pagani et al., "The TESLA cryogenic accelerator modules,"
    DESY-M-01-05H, DESY-TESLA-2001-36 (2001).
    Prepared for 18th International Conference on High-Energy Accelerators (HEACC 2001), Tsukuba, Japan, 26-30 Mar 2001.
  • M. W. McGee, R. Doremus and C. R. Wands, "Mechanical Stability Study Of Type IV Cryomodule (ILC Prototype),''
    In the Proceedings of Particle Accelerator Conference (PAC 07), Albuquerque, New Mexico, 25-29 Jun 2007, pp 2277 - 2279 (WEPMN104).
    DOI: 10.1109/PAC.2007.4441222
  • N. Ohuchi et al., "Plan of the S1-Global cryomodules for ILC,''
    Contributed to Particle Accelerator Conference (PAC 09), Vancouver, BC, Canada, 4-8 May 2009, pp. 2792-2794 (WE6RFP005).
  • T. Arkan et al., "Superconducting RF cryomodule production & testing a Fermilab,''
    LINAC2010 (2010), TUP081.
  • N. Ohuchi et al., "S1-Global collaborative efforts 8-cavity-cryomodule: 2 FNAL, 2 DESY and 4 KEK,''
    Proceedings of Linear Accelerator Conference LINAC2010, Tsukuba, Japan (MO302).
  • N. Ohuchi et al., "Construction Of The S1-Global Cryomodules For ILC,''
    In the Proceedings of 1st International Particle Accelerator Conference: IPAC'10, Kyoto, Japan, 23-28 May 2010, pp (WEPE008).
  • E. Kako et al., "Cryomodule tests of four TESLA-like cavities in the Superconducting RF Test Facility at KEK,''
    Phys. Rev. ST Accel. Beams 13 (2010) 041002.
    DOI: 10.1103/PhysRevSTAB.13.041002
  • A. Bosotti et al., "S1-Global module tests at STF/KEK,''
    PAC2011 (2011) (MOODA02).
  • K. Tsuchiya et al., "Deflection measurement of the cryogenic pipe in the ILC-type cryomodule,"
    In the Proceedings 24th International Cryogenic Engineering Conference-International Cryogenic Materials Conference 2012, Fukuoka, Japan, May 14-18, 2012.
    D*1004555
Quad/BPM/Corrector Package
  • V. S. Kashikhin et al., "Design and Manufacturing Main Linac Superconducting Quadrupole for ILC at Fermilab,''
    IEEE Trans. Appl. Supercond. 18 (2008) 155-158.
    DOI: 10.1109/TASC.2008.921945
  • A. A. Mikhailichenko, "SC quadrupole for cryomodule for ERL/ILC,''
    PAC 2011 (2011) THP077.
  • Toshiba Corporation: "Feasibility study for conduction cooling of SC quadrupole magnets in the Cryomodule". Japanese original title: "ILC-ML è¶�ä¼�å°�å��極ç£�ç�³ã�·ã�¹ã��ã� ã�® 工業å��æ��è¡�æ¤�è¨�". March 2012.
    D*1006085 (English), D*1006045 (Japanese)

Cryogenics

Mandatory Documents
  • Cryogenics parameters for KCS, including ML length (26.6.2012): D*0975575
  • Cryogenics parameters for DKS, including ML length (25.6.2012): D*0991555
  • Cryogenic heat loads and cryoplant parameters (14.10.2012): D*0994395
  • Helium inventory (25.6.2012): D*1004755
  • Damping Rings cryogenics power estimate (17.5.2012): D*1005075
  • Total cryogenics power (28.6.2012): D*1005045

RDR Design Tables in EDMS

  • T. Peterson, "ILC Cryogenic Unit Heat and Power" (27.2.2007): D*0829065
References
  • G. Grygiel et al., "Status of the TTF cryogenic system,"
    Adv. Cryog. Eng. 41 (1996) 847. [Preprint TESLA-95-21, pp. 64-71.]
  • H. Lierl, "The Planning of the Cryogenic Supply Infrastructure for the Superconducting Cavities of the European XFEL Linear Accelerator,"
    AIP Conf. Proc. 823 (Adv. Cryogenic Eng. 52), (2006) 1405-1411;
    DOI: 10.1063/1.2202562
  • Y. Bozhko, H. Lierl, B. Petersen, D. Sellmann, and A. Zolotov "Requirements for the Cryogenic Supply of the European XFEL Project at DESY,"
    AIP Conf. Proc. 823 (Adv. Cryogenic Eng. 52), (2006) 1620-1627;
    DOI: 10.1063/1.2202588
  • V. Gubarev, B. Petersen, D. Sellmann, and Y. Xiang "EUROPEAN XFEL-LINAC TWO-PHASE HE II FLOW SIMULATIONS,"
    AIP Conf. Proc. 985 (Adv. Cryogenic Eng. 53), (2008) 1602-1609;
    DOI: 10.1063/1.2908527
  • T. J. Peterson, M. Geynisman, A. Klebaner, J. C. Theilacker, V. Parma and L. Tavian, "ILC cryogenic systems reference design,"
    AIP Conf. Proc. 985 (2008) 1565-1572.
    DOI: 10.1063/1.2908522
    For extended set of transparencies see (20.7.2007): D*0831485
  • T. Peterson et al., "A survey of pressure vessel code compliance methods for superconducting radio frequency cryomodules,"
    Adv. Cryogenic Eng. 57 (2012) 1575-1582.
    DOI: 10.1063/1.4707088.

RF System

Klystron Cluster Scheme (KCS)

Distributed RF Scheme (DRFS)

 

Local Power Distribution System

 

Main Linac integration

Mandatory Documents

Main Linac Lattice and Beam Dynamics

RDR References

  • 94: N. Walker, "Emittance preservation in a possible ILC main linac which follows the earth's curvature,"
    EUROTEV-REPORT-2005-017 (2005).
  • 95: P. Eliasson, A. Latina, D. Schulte, F. Poirier and N. Walker, "Study of an ILC main linac that follows the earth curvature,"
    CERN-AB-2006-063, EUROTEV-REPORT-2006-050 (2006). In the Proceedings of 10th European Particle Accelerator Conference (EPAC 06), Edinburgh, Scotland, 26-30 Jun 2006, pp 786-788 (MOPLS096).
  • 96: Kirti Ranjan, "Emittance preservation for the curved ILC main linac,"
    Proceedings of LINAC 2006, Knoxville, TN, pp. 192-194 (MOP064).
  • 97: A. Latina, I. V. Gonin, K. Ranjan, N. Solyak and V. P. Yakovlev [Linear Collider Collaboration],  "Emittance Dilution Caused by the Couplers in the Main Linac and in the Bunch Compressors of ILC,"
    FERMILAB-CONF-09-158-APC (2009).
    Presented at Particle Accelerator Conference (PAC 09), Vancouver, BC, Canada, 4-8 May 2009, (FR5RFP059).
  • 98: J. C. Smith et al. [ILC Beam Physics Group], "Benchmarking / Crosschecking DFS in the ILC Main Linac,''
    FERMILAB-TM-2373-CD, SLAC-TN-06-035 (2007).
    OSTI: 897464
  • 99: J. C. Smith, "The preservation of emittance and polarization in the International Linear Collider,''
    Ph.D. Thesis Cornell University (2007),
    UMI Microform 3260825.
  • 100:  Kiyoshi Kubo, "Simulation of DFS (Dispersion Free Steering) using SLEPT,''
    ILC-Asia-2006-04 (2006).
  • 101: P. Eliasson and D. Schulte, "Dispersion free steering and emittance tuning bumps in the ILC,''
    EUROTEV-REPORT-2005-021 (2005).
  • 102.1: Kiyoshi Kubo, "Alignment Tolerances from Single-bunch Effect,''
    ILC-Asia-2005-18 (2005).
  • 102.2: Kiyoshi Kubo, "Tolerances of Misalignment of Quads and Cavities of ILC Main Linacs ,''
    ILC-Asia-2005-17 (2005).
  • 103: R. M. Jones, R. M. Jones and R. H. Miller, "Mitigation of emittance dilution due to transverse mode coupling in the L-band linacs of the ILC,''
    SLAC-PUB-12469 (2006).
    In the Proceedings of 10th European Particle Accelerator Conference (EPAC 06), Edinburgh, Scotland, 26-30 Jun 2006, pp 843-845 (MOPLS120).
    OSTI: 902486

Further References:

  • F. Toral et al., "Magnetization Effects on the Superconducting Combined Magnet Prototype for XFEL,''
    IEEE Trans. Appl. Supercond. 19 (2009) 1136-1140. 
    DOI: 10.1109/TASC.2009.2017706