svx-ii
DESCRIPTION
SVX-II. David Stuart, UC Santa Barbara May 11, 2006. Outline. Why What How. Many details in following talks, so I’ll just review the design goals and then give a tour of the detector and its construction. Design goals. 132 ns Rad-hard Longer Double-sided Trigger-able. - PowerPoint PPT PresentationTRANSCRIPT
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SVX-IISVX-IIDavid Stuart,
UC Santa Barbara
May 11, 2006
David Stuart,UC Santa Barbara
May 11, 2006
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• Why
• What
• How
Outline
Many details in following talks, so I’ll just review the design goals and then givea tour of the detector and its construction.
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• 132 ns
• Rad-hard
• Longer
• Double-sided
• Trigger-able
Design goals
The first 2 were required (well thought to be, vs 396 ns). The rest were desired.The last was critical for Bs mixing, and it drove the design.
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• Wedge geometry
SVT requirements
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• Wedge geometry
• Precision alignment during construction
• r and z
SVT requirements
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• Wedge geometry
• Precision alignment during construction
• r and z
• Fast, deadtime-less readout
• See Ankush’s SVX3D talk
SVT requirements
Now, I’ll describe the detector with a photo tour.
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Bulkheads for mounting and cooling
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SVXII LaddersLayer 1 Quarter Ladder
BeO Hybrid glued to siliconMounting tab
Thermal bridge
HDI, with LV boost wires
Finger and jumper on next page
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Fingers
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Jumper bus to z-side
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Reason for calling them ladders
Note folded cables
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Assembled into barrels
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Spacers to allow lid to close over cables
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Ready to s
lide into
ISL
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…after some packaging
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• 132 ns
• Rad-hard
• Longer
• Double-sided
• Trigger-able
Recall Design goals
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• 132 ns ?
• Rad-hard
• Longer
• Double-sided
• Trigger-able
Recall Design goals
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• 132 ns ?
• Rad-hard
• Longer ~
• Double-sided
• Trigger-able
Recall Design goals
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• 132 ns ?
• Rad-hard
• Longer ~
• Double-sided ~
• Trigger-able
Recall Design goals
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• 132 ns ?
• Rad-hard
• Longer ~
• Double-sided ~
• Trigger-able ! !
Recall Design goals