 Mon Aug 9 10:38:43 2010, Damien Gallop, , , 4He1+ Setup for SCC Development
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We have a request for changing over the source to 4He1+ operation
from the MWS.
Later... OLIS opened. Canister purged with N2 and pumped via IOS, then valved off and disconnected. ICR has restored a recent 4He1+ tune. |
Tue Aug 10 09:30:36 2010, Damien Gallop, , , 4He1+ for SCC Development 
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| Beam idle overnight, and grew nicely. Source tweaked up and throttled back a little while ago. SCC development expected to continue today. |
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Wed Aug 11 10:35:03 2010, Damien Gallop, , , 4He1+ for SCC Development
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| Beam used into last evening, then idle overnight. Nice and stable. Maintenance Day for the cyclotron and ISAC. |
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Fri Aug 13 09:27:49 2010, Damien Gallop, , , 4He1+ for SCC Development
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MWS is running nicely. SCC development continues. This is scheduled to end on this coming Tuesday morning. It will likely continue for a couple of days,
after which there would be a beam switch to 16O2+ from the MWS for TUDA-II setup. |
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Fri Sep 10 10:38:13 2010, Damien Gallop, , , 16O3+ for DRAGON
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Tue Sep 14 09:18:28 2010, Damien Gallop, , , MCIS Development 8x
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The 16O3+ DRAGON run just finished. MCIS Development begins this morning for a few days. The goal is to install and characterize the new sputter ion
source.
Below are vacuum pics before and after closing MCIS:IV0. There was a bit of a spike during closing. All three turbos switched off. TP3 is down |
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Thu Sep 16 17:06:22 2010, Damien Gallop, , , MCIS Development
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A new sputter source was installed onto the Supernanogan. A wire of Au is installed in the source. Mass scans this morning with source at equipotential.
Source patched to MWS EE supply and biased to ~1kV tunable. That makes a significant improvement in intensity. Beam at FC6 is 197Au24+ presently. |
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Fri Sep 17 14:02:29 2010, Damien Gallop, , , MCIS Development
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Today's agenda: RF frequency scans and generally getting a feel for the new sputter source.
Mass scan plots in region of 197Au25+ attached below, taken with and without the sputter source on. Matlab post-processed pics to come shortly. |
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Mon Sep 20 09:34:44 2010, Damien Gallop, , , 4He1+ for DRAGON
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MCIS Development finished Friday evening. OLIS switched to MWS operation and setup began for 4He1+ delivery to DRAGON. Beam handed over to experiment
last night. |
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Thu Sep 23 09:20:34 2010, Damien Gallop, , , 4He1+ for DRAGON
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DRAGON continues to take MWS beam.
Later... 14:00 EOB. Prepare for Mini-Shutdown. |
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Fri Sep 24 13:22:00 2010, Damien Gallop, , , OLIS Maintenance and Development
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Supernanogan on overnight, in the search for gold. A trace of 197Au34 observed this morning. Development continues.
A/q: 5.7941
FC6: ~500epA |
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Mon Oct 4 09:40:30 2010, Damien Gallop, , , OLIS Maintenance and Development completed
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The September Mini-Shutdown is now a memory. The few days available to OLIS were used for MCIS Development on 197Au. Productive. A 197Au34+ beam sat
on FC6 overnight. The program ended
Friday, at which point a 20Ne1+ beam from the MWS was established, and line tuning |
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Mon Oct 4 09:46:12 2010, Damien Gallop, , , 20Ne1+ at 40.8keV for TIGRESS setup
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A 20Ne1+ beam from the MWS was established on Friday. Line tuning began Friday evening. A tune to the front of the SC LINAC was in place by Saturday.
Tuning through was delayed by SC tank conditioning.When
the LINAC is ready, tuning to TIGRESS will |
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Fri Oct 8 09:35:03 2010, Damien Gallop, , , 20Ne1+ at 40.8keV for TIGRESS
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Beam from MWS quietly sitting on FC6 awaiting tune checks to TIGRESS. Next experiments up are 26Alg5+ to TUDA and 24Na5+ to TIGRESS. So we are poised
for source switchover to provide 24/26Mg pilot beams from the MWS. |
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Tue Oct 12 13:25:21 2010, Damien Gallop, , , MWS switchover for scheduled 24/26Mg beams
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Source switchover in progress on WP#2010-10-12-1. Magnesium material
installed into MWS. Pumpdown in progress. Leakup rate OK. Turbos on.
Later... Pumping going well. at 1e-6 by ~16:00. |
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Wed Oct 13 16:15:03 2010, Damien Gallop, , , MWS switchover for scheduled 24/26Mg beams
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| Source conditioning most of today, to 59kV. Striptool attached. Reset to 26Mg tune at ~16:00. |
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Fri Oct 15 09:23:03 2010, Damien Gallop, , , MWS switchover for scheduled 24/26Mg beams
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Source is running nicely. Hand-off to ICR
occurred ~Wednesday night. Setup done overnight.
26Mg (PE is now on at nominal value) is selected presently; blue trace on Stripchart. |
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Mon Oct 18 09:22:35 2010, Damien Gallop, , , 26Mg6+ for TUDA-II
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MWS is producing 26Mg, presently parked. It was used over the weekend
for TUDA tuning. |
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Tue Oct 19 09:20:40 2010, Damien Gallop, , , 26Mg6+ for TUDA-II
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| MWS operating nicely. |
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Wed Oct 20 11:30:32 2010, Damien Gallop, , , 26Mg6+ for TUDA-II
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MWS ran fine overnight. It was shut off this morning to investigate bias sparking issue, noted on FR#4894. The two MCIS turbopump controllers are displaying
gibberish on their front panels this morning. There was one spark since yesterday, around 19:15 last evening. Due to a failure
at ITW - see here and here, |