Slides - Indico

Luminosity Detector
Report
Prometeusz Jasinski
For the PANDA luminosity detector group
09.12.2013
collaboration meeting
09.12.2013
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The Luminosity Detector
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HV-MAPS
(University and technical Institut of Heidelberg
in cooperation with Tobias Weber)
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HV-MAPS
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Beam Test Results with MuPix4 Prototype
~ 3 x 3 mm²
Event distribution
Efficiency for
column only
information
Next Testchip (MuPix6) submitted
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HV-MAPS
- interalignment -
(Roman Klasen, Diploma student)
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Current arrangement of HV-MAPS
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Some results by icp alignment
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Radiation studies
(Christian Stoll for the Bachelor thesis)
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Event Distributions
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Radiation doses
In additon ~250Hz neutrons/sensor @ 15GeV/c
→ should not be an issue.
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HV-MAPS cooling
(Heinrich Leithoff, PhD student)
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Simulated temperature distributions
for 1.5 kW power consumption
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Test clamp temperature drop
Result for a worst case load: < 10°C temperature drop with MX2 cooling paste
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Summary of production stages
Next: Operation in our Box
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Mechanical integration
(Flabian Heidelberg, Florian Feldbauer and a little bit by me)
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Mechanical assembly tests
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Mechanical assembly tests
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Mechanical assembly tests
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Box deformation
Finite Element Model (FEM)
bei Druckdiffererenz von 1 bar
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6m
m
Capacitive measurement of distances in vacuum
ADC with 15 of 18 effective bits
~244 nm res. at epics
40nm
resolution
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Pumping scheme
pipe
detector
Status: waiting for turbo pumps to test the system
By Feldbauer / Kauth
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Electrical routing
(Christof Motzko)
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Flex print on the module
5 x diff (100µ) 4 x SPI GND (bottom layer) LV LV sense HV HV-GND
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Flex Print for the feedthrough
479
Next: testing ordered copper printed samples
Electrically and glued into vacuum feedthroughs
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Software
(Anastasia Karavdina)
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Software
1.5 GeV/c
Performance after broken line fits
And back propagation
Strong influences by
- Magnetic field deviation
- Geant precision
Lumi software in very good shape!
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Conclusion:
We have a very good basis for a TDR
Thank you
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Geometrische Akzeptanz
Akzeptanz bei 1.5 GeV/c Strahlimpuls
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Mechanical assembly tests
Work of Florian Feldbauer (PostDoc)
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Stepper motor resolution
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