Requirements from the Vacuum Systems HE-LHC. J.M. Jimenez Thanks to V. Baglin, P. Chiggiato, M. Taborelli and O. Grobner. Main Topics. Introduction Machine parameters impacting vacuum performances Remedies to vacuum dynamic effects Gas load issue in cryogenic sections Closing Remarks.
Thanks to V. Baglin, P. Chiggiato, M. Taborelli and O. Grobner
He adsorption isotherms on stainless steel (similar for H)
Pumping capacity decreasesby 10between 4.2K and 1.9 K