@inproceedings{1c7ff59c26f6420c9078a414e43e3563,
title = "4.2 K operation of the SNS cryomodules",
abstract = "The Spallation Neutron Source being built at Oak Ridge National Laboratory employs eighty one 805 MHz superconducting cavities operated at 2.1 K to accelerate the H- beam from 187 MeV to about 1 GeV. The superconducting cavities and cryomodules with two different values of beta (.61 and .81) have been designed and constructed at Jefferson Lab for operation at 2.1 K with unloaded Q's in excess of 5×109. To gain experience in testing cryomodules in the SNS tunnel before the final commissioning of the 2.1 K Central Helium Liquefier, integration tests are being conducted on the cryomodules at 4.2 K. This is the first time that a superconducting cavity system specifically designed for 2.1 K operation has been extensively tested at 4.2 K without superfluid helium.",
author = "Campisi, {I. E.} and S. Assadi and F. Casagrande and M. Champion and P. Chu and S. Cousineau and M. Crofford and C. Deibele and Galambos, {J. D.} and P. Gurd and D. Hatfield and M. Howell and D. Jeon and Kang, {Y. W.} and K. Kasemir and Z. Kursun and H. Ma and M. Piller and D. Stout and W. Strong and AVassioutchenko and Y. Zhang",
year = "2005",
doi = "10.1109/PAC.2005.1591755",
language = "English",
isbn = "0780388593",
series = "Proceedings of the IEEE Particle Accelerator Conference",
pages = "4173--4175",
booktitle = "Proceedings of the Particle Accelerator Conference, PAC 2005",
note = "Particle Accelerator Conference, PAC 2005 ; Conference date: 16-05-2005 Through 20-05-2005",
}