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Crisp, J.L.

Paper Title Page
MPPP011 Fermilab Recycler Damper Requirements and Design 1239
 
  • J.L. Crisp, M. Hu, V. Tupikov
    Fermilab, Batavia, Illinois
  
  The design of transverse dampers for the Fermilab Recycler storage ring is described. An observed instability and analysis of subsequent measurements are used to identify the requirements. The digital approach being mplemented is presented.  
RPAT013 Signal Processing for Longitudinal Parameters of the Tevatron Beam 1362
 
  • S. Pordes, J.L. Crisp, B.J. Fellenz, R.H. Flora, A. Para, A.V. Tollestrup
    Fermilab, Batavia, Illinois
  
  Funding: Operated by Universities Research Association Inc. under Contract No. DE-AC02-76CH03000 with the United States Department of Energy.

The time profiles of the bunches in the Tevatron are obtained by sampling the output of a resistive wall current monitor with a 5GS/s, 2GHz bandwidth, Lecroy 6200 oscilloscope. The techniques for removing the effect of cable dispersion and for extending the dynamic range of the data by splitting the signal and using two input channels at different gains are described. The algorithms for taking these data in the time domain and deriving the momentum spread and longitudinal emittance are also given.