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Measurements of ultimate accelerating gradients in the SLAC disk-loaded structure

Conference ·
OSTI ID:5558862
This paper is a status report on an on-going program at SLAC to study accelerator structures under high-gradient electric field conditions. The study is a part of a much broader program dealing with future linear colliders. The accelerating gradient that might be achievable in such machines is a crucial parameter because once the beam energy is selected, the gradient determines the length of the linac and directly or indirectly affects the choice of many other parameters. To reach 100 MV/m in a conventional 3 m constant-gradient section without SLED, one would need a klystron with a peak power output of 900 MW. Since such a tube is not available, we decided to use a short standing-wave section in which the resonant fields can build up. The design criteria for this section, the fabrication, matching and tuning, the experimental set-up and the results are described. 6 refs., 5 figs., 1 tab.
Research Organization:
Stanford Linear Accelerator Center, CA (USA)
DOE Contract Number:
AC03-76SF00515
OSTI ID:
5558862
Report Number(s):
SLAC-PUB-3597; CONF-850504-201; ON: DE85014287
Country of Publication:
United States
Language:
English