Title :
Improvements in bunch coalescing in the Fermilab Main Ring
Author :
Dey, J. ; Kourbanis, I. ; Wildman, D.
Author_Institution :
Fermi Nat. Accel. Lab., Batavia, IL, USA
Abstract :
In Fermilab´s Main Ring bunch coalescing is used to produce intense proton and antiproton bunches for the Tevatron. For the bunch coalescing, 11 proton or antiproton bunches are rotated first in the fundamental RF harmonic of 53 MHz to reduce the momentum spread, then are rotated for a quarter of a period in a lower harmonic (h=53 or 2.5 MHz) and recaptured in a single 53 MHz bucket. The 2.5 voltage available for coalescing is 22 KV. Recently 3 new 2.5 MHz coalescing cavities were installed and the available 2.5 voltage was tripled. The coalescing improvements from this upgrade will be described
Keywords :
accelerator RF systems; accelerator cavities; beam handling techniques; proton accelerators; synchrotrons; 2.5 MHz; 22 kV; 53 MHz; Fermilab Main Ring; antiproton bunches; bunch coalescing; coalescing cavities; fundamental RF harmonic; intense proton bunches; lower harmonic; momentum spread; single 53 MHz bucket; Contracts; Educational institutions; Laboratories; Particle beams; Proton accelerators; Satellites; Stacking; Testing; Voltage;
Conference_Titel :
Particle Accelerator Conference, 1995., Proceedings of the 1995
Conference_Location :
Dallas, TX
Print_ISBN :
0-7803-2934-1
DOI :
10.1109/PAC.1995.505865
