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Date
Author
Type
Category
Subject
Text
48
Wed Jul 8 09:22:07 2009
Damien Gallop
Routine
General
18O4+ beam growth overnight
After accessing the OLIS cage and opening
the 18O source gas valve, I restarted the
Supernanogan source last evening around 18:00
49
Wed Jul 8 09:34:58 2009
Damien Gallop
Routine
General
18O4+ frequency optimization
Starting frequency: 15.7864GHz => 870pA
on FC6 Step size: 1MHz. Selected peaks
shown. There were many smaller resonances
50
Wed Jul 8 10:57:46 2009
Damien Gallop
Routine
General
18O4+ emittance scans
Tune saved as 090708_1200.snapmcisfc6.
I settled on the 15.486GHz optimal frequency,
and tweaked that for effect. Then I ran a
10x
51
Wed Jul 8 11:52:54 2009
Damien Gallop
Routine
General
Supernanogan development run plan for the remainder of this set
* 18On+ emittance scans at present ion
source settings: complete today.
* 18On+ frequency measurements: Thursday.
52
Wed Jul 8 16:12:51 2009
Damien Gallop
Routine
General
Mass scan in progress
A mass scan from A/q of zero to 25 is in
progress. Data file (large): masscorr_mcis_090708.txt.
The source is optimized for 18O4+. Fishing
53
Wed Jul 8 17:47:26 2009
Damien Gallop
Routine
General
18O4+ emittance scans
First up is a check scan of 18O4+. There
is a definite vertical offset compared to
earlier today. Otherwise, it correlates well
54
Wed Jul 8 17:58:02 2009
Damien Gallop
Routine
General
18O1+ emittance scan
Here we go. A/q = 18 FC6 = 141.0nA MB =
2078G @ 130.2A
55
Wed Jul 8 18:12:25 2009
Damien Gallop
Routine
General
18O2+ emittance scan
A/q = 9 FC6 = 50.0nA MB = 1470.8G @ 90.8A
56
Wed Jul 8 18:20:43 2009
Damien Gallop
Routine
General
18O3+ emittance scan
A/q = 6 FC6 = 49.5nA MB = 1201.4G @ 73.1A
57
Wed Jul 8 18:38:21 2009
Damien Gallop
Routine
General
18O4+ emittance scan
A/q = 4.5 FC6 = 29.5nA MB = 1041.8G @ 62.4A
58
Wed Jul 8 18:47:43 2009
Damien Gallop
Routine
General
18O5+ emittance scan
A/q = 3.6 FC6 = 12.5nA MB = 931.8G @ 55.3A
59
Wed Jul 8 18:57:09 2009
Damien Gallop
Routine
General
18O6+ emittance scan
A/q = 3 FC6 = 5.5nA MB = 851.5G @ 50.1A
60
Wed Jul 8 19:07:15 2009
Damien Gallop
Routine
General
18O7+ emittance scan
A/q = 2.57 FC6 = 0.25nA MB = 790.0G @ 46.2A
Not enough intensity for an emittance
scan.
61
Wed Jul 8 19:13:15 2009
Damien Gallop
Routine
General
18O8+ emittance scan
A/q = 2.25 FC6 at reverse bias MB = 736.9G
@ 42.9A
Not enough intensity for an emittance
62
Wed Jul 8 19:51:33 2009
Damien Gallop
Routine
General
18On+ summary for the day
The 18O source gas bottle is online. The
ion source was optimized for 18O4+ and kept
the same throughout. Emittance scans of each
63
Thu Jul 9 16:07:56 2009
Damien Gallop
Routine
General
18O8+ frequency scans
Keerthi did some 18On+ frequency scans
this morning. He observed 18O8+! I am attempting
to repeat it myself now. Reverse bias on
6x
64
Fri Jul 10 09:55:25 2009
Damien Gallop
Routine
General
18O8+ beam overnight
Here is a striptool of 18O8+ beam (magenta
trace) last evening from about 18:00 to 22:30
when there was a large power bump coincident
65
Fri Jul 10 11:46:55 2009
Damien Gallop
Routine
General
18On+ frequency scans & resonances
The Supernanogan was restarted this morning,
after last night's power bump. 18O4+ on FC6,
cooking for about an hour. Looks very good.
66
Fri Jul 10 11:47:07 2009
Damien Gallop
Routine
General
18On+ frequency scans & resonances
The Supernanogan was restarted this morning,
after last night's power bump. 18O4+ on FC6,
cooking for about an hour. Looks very good.
67
Mon Jul 13 09:49:52 2009
Damien Gallop
18O4+ tuning to TIGRESS today
As per our agreed deal last week, today
is reserved for Supernanogan tuning to TIGRESS.
Development will resume tomorrow.
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