Update of Booster Alignment & Magnet Moves

February 20, 2013

Bill Marsh, Kiyomi Seiya, Dean Still, Kent Triplet Alex Waller

Long 7 Aligned beam pipeLong 10 Aligned beam pipe

Long 11 Aligned beam pipe

Long 12 kicker Rotated V H Alignment

Short 12 Corr. & BPM New BPM Alignment

Long 13 Absorber new

Long 14 BRF#1,#2 Missing BRF#1

Long 15 BRF#3,#4 Missing BRF#3

Long 16 BRF#5,#6 15Hz Op. cavities Alignment

Long 17 BRF#7,#8 15Hz Op. cavities Alignment

Long 18 BRF#19

Long 19 BRF#17,#18 PA SS upgrade

Long 20 RWM

Long 21 BRF#9,#10 PA SS upgrade

Long 22 BRF#11,#12 PA SS upgrade on #11

Long 23 BRF#13,#14 PA SS upgrade

Long 24 BRF#15,#16 PA SS upgrade

Moved components during Shutdown

VL04 Replaced RF module

HL10 Replaced RF module

HL11 Found jumpers and no connection to BPMsVL11 Found jumpers and no connection to BPMs

HL12 Replaced RF module

HS12 New BPM , Replaced RF module, Changed gain and offset on frontendVS12 New BPM , Replaced RF module, Changed gain and offset on frontend

HS23 It still has issue.

BPMs which didn’t work after shutdown

Aperture scan analysis: offline to online

*Comparison has to be done with two software.

-20

-15

-10

-5

0

5

10

15

20

0 5 10 15 20 25

VL-lower-before (Feb. 2012)VL-upper-before(Feb. 2012)VL-lower-norm-center(Feb. 2013)VL-upper_norm-center(Feb. 2013)

[mm

]

period #

-20

-15

-10

-5

0

5

10

15

20

0 5 10 15 20 25

VS-lower-before(Feb. 2012)VS-upper-before(Feb. 2012)VS-lower-after-norm-center(Feb. 2013)VS-upper_after-norm-center(Feb. 2013)

[mm

]

period #

Aperture (90%) before and after shutdownLong Short

* Assuming beam size was same.*Central position from the data after shutdown was normalized to the data before.

10

15

20

25

30

0 5 10 15 20 25

Vertical aperture

VL_upper-lowerVS-upper-lower

uppe

r - lo

wer

[mm

]

period #

Aperture: Upper - Lower

-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 per iod #

-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 per iod #

-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 period #

-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 per iod #

-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

RF CorrectorF DFD

Period #22 Period #23 Period #24

1.3 mm 1.3 mm

Move1

Magnet move 2Two magnets were realigned in Feb. 18, 2013

period 22:  F-up magnet (upstream of the magnet by +1.3mm)          period 24:  F-up magnet (upstream of the magnet by +1.3mm)

Magnet Move Program MAD

Orbit difference with the vertical alignment error.

10mm

-10mm

Orbit difference before and after the magnet move

-20

-15

-10

-5

0

5

10

15

20

5 10 15 20 25

aperture_long

VL-upperVL-lowerVL-centerVL-upper-move2VL-lower_move2VL-center_move2

[mm

]

period#

-20

-15

-10

-5

0

5

10

15

20

5 10 15 20 25

aperture_short

VS-upperVS-lowerVS-centerVS_upper_move2VS_lower_move2VS_center_move2

[mm

]

period #

V apertires before and after the magnet move

V_Long V_Short

After move2 before move2

VS22 before and after the magnet move

Plan

Redo scans at 20 – 23.

Measure beam size with MW.

Fix BPM HS23.

Move magnet