AIDA
GELINA
BRIKEN
nToF
CRIB
ISOLDE
CIRCE
nTOFCapture
DESPEC
DTAS
EDI_PSA
179Ta
CARME
StellarModelling
DCF
K40
CARME
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Entry time:
Wed Dec 31 20:48:03 2025
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> > Following overnight pumping by Leybold turbo pump > > 09.12 6.26e-8mbar, 2.8e-6mbar (RGA station), leak rate 5e-12 mbar.l/s > > 09:52 6.08e-8mbar, 2.8e-6mbar (RGA station), leak rate 8e-12 mbar.l/s > > 10.10 6.02e-8mbar, 2.8e-6mbar (RGA station), leak rate 8.5e-12mbar.l/s > KM says leak cart currently isolated CARME chamber + RGA cart - no He > has been used around chamber this week so figure represents noise. > > 10.36 5.94e-8mbar, 2.8e-6mbar (RGA station), leak rate 4.7e-12 mbar.l/s > > 10.40 KM isolated RGA station (@RGA station) from CARME chamber to replace current RGA (FC sensor) with a more sensitive RGA (with multiplier + FC sensor) > > CARME vacuum pressure (with no backing) will rise somewhat during this process > > 11.17 1.35e-7mbar > > 11.20 New RGA install complete, backing line opened, CARME pressure recovers in < 10s to 5.83e-8mbar > > 14.08 5.59e-8mbar, 2.7e-6mbar (RGA station), leak cart disconnected (by KM) > > Cables for neg and neg ion pumps connected with cables trailed out of the octagon through back and front of the octagon. Neg-ion pump connectors are labelled with Kapton > tape to prevent confusion with neg connectors. Baking jacket has been partially constructed and will be completed tomorrow.
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