ISOLDE Update for EATM Richard Catherall ENSTIRBS ISOLDE
ISOLDE Update for EATM Richard Catherall EN-STI-RBS ISOLDE Technical Coordinator
HRS • HT tests in situ were successfully completed and show promising results for the reduction of the pulsed HT recovery time. • Combined with the in-beam detection of radioisotopes, this should lead to more efficient measurements of very short-lived isotopes. • The ISOLDE physics program successfully kicked off with the production of 59, 60, 61, 62, 63 Cr beams to the ISOLTRAP experiment from the 14 th to 17 th April.
GPS • 3 out of 4 targets have not been behaving correctly over the last few weeks. • After many iterations and diagnostics, the cause was due to a short circuit between the normally floating target heating circuit and earth via an improperly tightened bolt. • During the repair of the above, the target coupling table failed to move correctly during the target change. • After eliminating the piston, the mechanism for the target coupling table was found to be the cause. • An improved version was put in its place but the design of this device will be reviewed and a more robust version will be produced for installation asap. • There is a risk that the same fault might occur on the HRS Frontend.
Experimental area • Installation of the Fast Tape station at the LA 2 beamline has started and commissioning with radioactive sources followed by radioactive ion beams will continue throughout 2016. • Cryo-module 1 (the 2 nd CM) for HIE-ISOLDE is being delivered to the hall today. Hence the traffic disruption on the route de Meyrin this morning!
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