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Effect of staging on module connection and support arrangement
Yury Ivanyushenkov
RAL
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Beam
Tracker module #1
AFC module #1
RF module #1
AFC module #2 AFC module #3
RF module #2 Tracker module #2
MICE Cooling Channel
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MICE Cooling Channel
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24-M4 24-M4
4-M6
24-M824-M8
4-M6
MICE Cooling Channel
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- STEP I: spring 2006
STEP II: summer 2006
STEP III: winter 2007
STEP IV: spring 2007
STEP V: fall 2007
STEP VI: 2008
MICE Stages by Alain Blondel
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- STEP I
STEP II
STEP II.V
Insert absorber (solid) between the two halves and measure Pt & E distribution and emittance growth
STEP II.VI
Split tracker in two parts and measure against each other(systematics)
Establish beam match andwether we have all knobs necessary to draw Emittance vs transmission curve. Measure emittance
These are mostly questions for beam design and matching to and within solenoid.
MICE Additional Stages by Alain
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STEP V
STEP V.0
Shorter, less expensive, no coupling coil, (very limited optics flexibility) does this work in flip, RFoFo, non flip modes? These are mostly optics questions
MICE Additional Stages by Alain
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Module–to–Module Interface Matrix
Tracker#1
AFC #1 RF #1 AFC #2 RF #2 AFC #3 Tracker #2
Stage 1
Stage 2 yes
Stage 2.5 yes
Stage 2.6 yes
Stage 3 yes yes
Stage 4 yes yes yes
Stage 5.0 yes yes yes yes yes
Stage 5 yes yes yes yes yes
Stage 6 yes yes yes yes yes yes yes
Notation: means interface
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Module–to–Module Interface Requirements
• Tracker #1 interfaces with : AFC #1 OR Tracker #2
• AFC #1 interfaces with : Tracker #1 AND Tracker #2 OR Tracker #1 AND RF #2
• RF #1 interfaces with : AFC #1 AND AFC #2
• AFC #2 interfaces with : RF #1 AND Tracker #2 OR RF #1 AND RF #2
• RF #2 interfaces with : AFC #1 AND AFC #3
• AFC #3 interfaces with : RF #2 AND Tracker #2
• Tracker #2 interfaces with : Tracker #1 OR AFC #1 OR AFC #2 OR AFC #3
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AFC Module Interface Requirements
AFC #1 Tracker #2
AFC #1 RF #1Tracker #1
AFC #1:
AFC #2 Tracker #2RF #1
AFC #2 RF #2RF #1
AFC #2:
AFC #3 Tracker #2RF #2AFC #3:
Stage 4
Stages 5 and 6
Stage 5
Stage 6
Stage 6
Gatevalve
Gatevalve
Gatevalve
Tracker #1Gatevalve
Gatevalve
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“Universal” AFC Module
Tracker #1Universal
AFC module
Tracker #2
RF #1 or RF #2RF #1 or RF #2
Gatevalve
Gatevalve
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Maximal Forces on Modules in Stage 6
Module Max force,
MN
Case
Central focus pair module 0 All
Coupling coil module 0.2143from centre;
0.1859towards centre
Flip mode, Case 2
Non-Flip mode, Case 2
Edge focus pair module 0.0967from centre;
0.0372towards centre
Flip mode, Case 3
Non-Flip mode, Case 2
Tracker solenoid module 0.4861towards centre
Non-Flip mode, Case 2
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“Universal” AFC Module : Forces in Stage 6
UniversalAFC
moduleBeam
Cooling channelcentre
0.0967 MN(in Flip mode, Case 3)
0.0372 MN(in Non-Flip mode,
Case 2)
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Next steps
Q: Do we want a “universal” AFC module ?