update of booster alignment & magnet moves august 21, 2013
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Update of Booster Alignment & Magnet Moves
August 21, 2013
Bill Marsh, Bill Pellico, Kiyomi Seiya, Dean Still, Kent Triplett Alex Waller
Status
Moved four magnets at L16
Aperture scan and orbit measurements before and after move.
Applications for aperture scan, B75 and Java. (A. Waller)
Aperture scan at period 5 -24. (Operation)
Orbit smooth at 7 break points with B80. (W. Marsh, K. Triplett)
-0.004
-0.002
0
0.002
0.004
1 1.5 2 2.5 3
1.5 2 2.5 3 3.5
perood #
MAD period #
-0.004
-0.002
0
0.002
0.004
3 3.5 4 4.5 5
3.5 4 4.5 5 5.5
perood #
MAD period #
-0.004
-0.002
0
0.002
0.004
5 5.5 6 6.5 7
5.5 6 6.5 7 7.5
perood #
MAD per iod #
-0.004
-0.002
0
0.002
0.004
7 7.5 8 8.5 9
7.5 8 8.5 9 9.5
perood #
MAD period #
-0.004
-0.002
0
0.002
0.004
9 9.5 10 10.5 11
9.5 10 10.5 11 11.5
perood #
MAD period #
-0.004
-0.002
0
0.002
0.004
11 11.5 12 12.5 13
11.5 12 12.5 13 13.5
perood #
MAD period #
-0.004
-0.002
0
0.002
0.004
13 13.5 14 14.5 15
13.5 14 14.5 15 15.5
perood #
MAD period #
-0.004
-0.002
0
0.002
0.004
15 15.5 16 16.5 17
15.5 16 16.5 17 17.5
perood #
MAD period #
-0.004
-0.002
0
0.002
0.004
17 17.5 18 18.5 19
17.5 18 18.5 19 19.5
perood #
MAD period #
-0.004
-0.002
0
0.002
0.004
19 19.5 20 20.5 21
19.5 20 20.5 21 21.5
perood #
MAD period #
-0.004
-0.002
0
0.002
0.004
21 21.5 22 22.5 23
21.5 22 22.5 23 23.5
perood #
MAD period #
-0.004
-0.002
0
0.002
0.004
23 23.5 24 24.5 25
23.5 24 24.5 25 25.5
perood #
MAD period #
#1D F F D D F F D
#2 #3D F F D D F F D
#4 #5D F F D D F F D
#6 #7D F F D D F F D
#8 #9D F F D D F F D
#10 #11D F F D D F F D
#12
#13D F F D D F F D
#14 #15D F F D D F F D
#16 #17D F F D D F F D
#18 #19D F F D D F F D
#20 #21D F F D D F F D
#22 #23D F F D D F F D
#24
+5mm
-5mm
0
+5mm
-5mm
0
1.3 mm
1.3 mm
Magnet move 4Four magnets were realigned on Aug. 6, 201315-3 upstream: 0mm 15-3 downstream: +0.6mm
15-4 upstream: +0.7mm 15-4 downstream: +1.3mm 16-1 upstream: -1.3mm 16-1 downstream: -1.3mm 16-2 upstream: -1.3mm 16-2 downstream: -1.3mm
Orbit difference before and after Move4 (simulation)
MAD
Magnet Move program
+/-0.6mm
Orbit difference before and after Move4 (measurement)
Vertical
Horizontal
+/-0.8mm
Aperture scan at L16
Before Move4 After Move4
-0.004
-0.002
0
0.002
0.004
14 14.5 15 15.5 16
-0.004
-0.002
0
0.002
0.004
16 16.5 17 17.5 18
-0.004
-0.002
0
0.002
0.004
18 18.5 19 19.5 20
-0.004
-0.002
0
0.002
0.004
20 20.5 21 21.5 22
-0.004
-0.002
0
0.002
0.004
22 22.5 23 23.5 24
-0.004
-0.002
0
0.002
0.004
24 24.5 25 25.5 26
Current vertical alignment at RF section (period 14 – 24)
Aperture plot and analysis on Java
Orbit at injection
August, 2013 April, 2012 ($19 operation cycle)
Orbit smooth with B80 at 7 break points
2.4msec 3.0msec
6.0msec 10msec
Orbit smooth at 7 break points (cont.)
20msec
35msec
32msec
Plan
Orbit smooth with new desired positions
Magnet move -Vertical: L11, L16
-Horizontal: next long shutdown
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