The world's first 1.3 GHz cryomodule containing eight 9-cell superconducting radio-
frequency (rf) cavities treated by medium-temperature furnace baking (mid-T bake) was …

Two 650 MHz single-cell superconducting radio-frequency (SRF) cavities used for the
Circular Electron Positron Collider (CEPC) were studied to achieve a high accelerating …

Several state-of-the-art recipes have been studied to pursue high quality factor (Q) and
higher accelerating gradient (E acc) on superconducting radio-frequency (SRF) cavities for …

Ultrafast electron diffraction techniques that employ relativistic electrons as a probe have
been in the spotlight as a key technology for visualizing structural dynamics which take …

Surface finish plays an essential role in the performance of superconducting radio frequency
cavities. Several surface treatments have been developed to reduce surface resistance at a …

Plasma cleaning is a technique that can be applied in superconducting radio-frequency
cavities in situ in cryomodules to decrease their level of field emission (FE). We developed …

The surface resistance of superconducting radio frequency (SRF) cavities depends on the
strength of the applied rf field. This field dependence is caused by a combination of intrinsic …

The performance of superconducting radio-frequency Nb cavities at high radio-frequency (rf)
fields in the absence of field emission can be limited by either a sharp decrease of the …

Multipacting (MP) is a phenomenon which can affect stability in particle accelerators and
limit performance in superconducting radio frequency cavities. In the TESLA shaped, 1.3 …

Nitrogen-doping and furnace-baking are advanced high-Q 0 recipes developed for 1.3 GHz
TESLA-type cavities. These treatments will significantly benefit the high-Q 0 linear …