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@InProceedings{chang:napac2019-weplm73,
author = {W. Chang and S. Caton and A. Ganshyn and W. Hartung and S.H. Kim and B. Laumer and H. Maniar and J.T. Popielarski and K. Saito and M. Xu and T. Xu and C. Zhang and S. Zhao},
% author = {W. Chang and S. Caton and A. Ganshyn and W. Hartung and S.H. Kim and B. Laumer and others},
% author = {W. Chang and others},
title = {{Bunker Testing of FRIB Cryomodules}},
booktitle = {Proc. NAPAC'19},
pages = {765--767},
paper = {WEPLM73},
language = {english},
keywords = {cavity, cryomodule, solenoid, SRF, dipole},
venue = {Lansing, MI, USA},
series = {North American Particle Accelerator Conference},
number = {4},
publisher = {JACoW Publishing, Geneva, Switzerland},
month = {10},
year = {2019},
issn = {2673-7000},
isbn = {978-3-95450-223-3},
doi = {10.18429/JACoW-NAPAC2019-WEPLM73},
url = {http://jacow.org/napac2019/papers/weplm73.pdf},
note = {https://doi.org/10.18429/JACoW-NAPAC2019-WEPLM73},
abstract = {The FRIB superconducting driver Linac requires 10⁴ quarter-wave resonators (QWRs, β = 0.041, 0.085), 220 half-wave resonators (HWRs, β = 0.29, 0.53), and 74 superconducting solenoid packages. Resonators and solenoids are assembled into cryomodules; 4 accelerating and 2 matching cryomodule types are required. Each cryomodule undergoes cryogenic and RF testing in a bunker prior to installation in the tunnel. The cryomodule test verifies operation of the cavities, couplers, tuners, solenoid packages, magnetic shield, and thermal shield at 4.3 K and 2 K. All of the required cryomodules for β = 0.041, 0.085, and 0.29 have been tested and certified. As of May 2019, five of the β = 0.53 cryomodules have been certified; the remaining modules are being assembled or are in the queue for testing. Cryomodule test results will be presented, including cavity performance (accelerating gradient, field emission X-rays, multipacting conditioning); solenoid package operation (current, current-lead cooling flow rate); and cryomodule heat load (static and dynamic).},
}