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Prieto, P. S.

Paper Title Page
WEPMN094 Experience with Capture Cavity II 2251
 
  • T. W. Koeth, J. Branlard, H. Edwards, R. P. Fliller, E. R. Harms, A. Hocker, T. W. Koeth, M. McGee, Y. M. Pischalnikov, P. S. Prieto, J. Reid
    Fermilab, Batavia, Illinois
  
  Funding: This work supported by Universities Research Association Inc. under contract DE-AC02-76CH00300 with the U. S. DOE.

Valuable experience in operating and maintaining superconducting RF cavities in a horizontal test module has been gained with Capture Cavity II. We report on all facets of our experience to date.

 
WEPMN100 RF Design and Processing of a Power Coupler for Third Harmonic Superconducting Cavities 2265
 
  • J. Li, E. R. Harms, T. Kubicki, D. J. Nicklaus, D. R. Olis, P. S. Prieto, J. Reid, N. Solyak
    Fermilab, Batavia, Illinois
  • T. Wong
    Illinois Institute of Technology, Chicago, Illinois
  
  Funding: U. S. Department of Energy

The FLASH user facility providing free electron laser radiation is built based on the TTF project at DESY. Fermilab has the responsibility for the design and processing of a third harmonic, 3.9 GHz, superconducting cavity which is powered via a coaxial power coupler. Six power couplers have been manufactured at CPI after successful design of the power coupler including RF simulation, multipacting calculation, and thermal analysis. The power couplers are being tested and processed with high pulsed power in an elaborate test stand at Fermilab now. This paper presents the RF design and processing work of the power coupler.

 
WEPMN092 Capture Cavity II Results at FNAL 2245
 
  • J. Branlard, G. I. Cancelo, R. H. Carcagno, B. Chase, H. Edwards, R. P. Fliller, B. M. Hanna, E. R. Harms, A. Hocker, T. W. Koeth, M. J. Kucera, A. Makulski, U. Mavric, M. McGee, A. H. Paytyan, Y. M. Pischalnikov, P. S. Prieto, R. Rechenmacher, J. Reid, K. R. Treptow, N. G. Wilcer, T. J. Zmuda
    Fermilab, Batavia, Illinois
  
  Funding: FRA

As part of the research and development towards the International Linear Collider (ILC), several test facilities have been developed at Fermilab. This paper presents the latest LLRF results obtained with Capture Cavity II at these test facilities. The main focus will be on controls and RF operations using the SIMCON based LLRF system. Details about hardware upgrades and overall system performance will be also explained. Finally, design considerations and objectives for the future test facility at the New Muon Laboratory (NML) will be presented.

 
FRPMS016 A BPM Calibration Procedure using TBT Data 3928
 
  • M.-J. Yang, J. L. Crisp, P. S. Prieto
    Fermilab, Batavia, Illinois
  
  Accurate BPM calibration is important in most lattice analysis. This paper describes a procedure developed as a logical extension of TBT data lattice analysis to extract relative calibration between BPMs in the machine. The method has been applied previously to the Recycler Ring and recently to Main Injector at Fermilab with amazing success. The results will be presented. The BPM position resolution is crucial to the procedure and will also be addressed.