Paper | Title | Page |
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WEPOB41 | Quality Factor in High Power Tests of Cryogenic Copper Accelerating Cavities | 987 |
SUPO04 | use link to see paper's listing under its alternate paper code | |
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Funding: Research made possible by DOE SCGSR and DOE/SU Contract DE-AC02-76-SF00515 Recent SLAC experiments with cryogenically cooled 11.4 GHz standing wave copper accelerating cavities have shown evidence of 250 MV/m accelerating gradients with low breakdown rates. The gradient depends on the circuit parameters of the accelerating cavity, such as the intrinsic and external quality factors (Q0, QE). In our studies we see evidence that Q0 decreases during rf pulse at 7-70 K. This paper discusses experiments that are directed towards understanding the change of Q0 at high power. |
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DOI • | reference for this paper ※ https://doi.org/10.18429/JACoW-NAPAC2016-WEPOB41 | |
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