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Vacuum 32 (1982) 95-97
A cryogenic pump of 20,000 l $s^−1$
G. Rommel1
(1982)

This pump belongs to the vacuum system of GANIL. GANIL is a particle accelerator in construction in Caen1 consisting principally of two separated sector cyclotrons. To pump a total surface of about 1000 m2 it has been decided to install a cryogenic pump of 20,000 l s. This system must be able to maintain a pressure of 2.10−6 Pa (2.10−8 torr) in the vacuum chamber of the SSC over a period of at least one month without regeneration by warm-up.
1 :  GANIL - Grand Accélérateur National d'Ions Lourds
Physique/Physique/Physique des accélérateurs