Innovative Designs for Particle Detectors in Space Research
Explore cutting-edge designs for particle detectors in space research, including resolutions, layouts, and potential new designs resembling DAMPE. Discover advancements in AMS-02 Inner Tracker Support and the structural discussions in SCD. Stay informed with the latest developments in detector technology for space exploration.
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SCD Charge Resolution Estimation SCD resolution from 10 GeV/n 1H, 4He, 12C, 16O, 28Si, 56Fe on a single silicon layer. Combination with toy MC. Charge is estimated with a likelihood method ( see backup). D Z 0.2 0.3 0.4 0.1 0 0 5 Y. Jia et al. NIM A 972 (2020), AMS-02 Inner Tracker 7 300 m 10 Estimation for SCD Z 15 150 m 6 layers 8 layers 300 m 6 layers 8 layers 20 In agreement with latest HerdSoftware (8 layers, 150 um); In comparison with AMS-02 probably a bit optimistic. 25
Current Layout of SCD in HerdSoftware L1 L2 X Y Si Thickness 150/300 m 3 mm L3 L4 X Y ~ 1 cm ~ 0.3 g/cm2 ~ 0.01 X0 ~ 0.003 I Al-HCB 3 mm ( = 0.03 g/cm3) L5 L6 X Y 3 mm L7 L8 X Y The geometry is fully parameterized (thicknesses, gaps, ), i.e. decided in production. This layout is not realistic, but it is still good for basic estimations of resolution.
A New Possible SCD Design, more like DAMPE C-fiber HCB skin 1 mm ( = 1.8 g/cm3) Honeycomb 25 mm ( = 0.03 g/cm3) Tray 1 foam/glue (?) 1 mm X Y Gap 5 mm 300 m Silicon (or 150 m) Tray 2 cross supporting structure Gap 5 mm top view Tray 3 Length = 10.14 cm Grammage = 2.24 g/cm2 Radiation length = 0.076 X0 Interaction length = 0.023 I Discussion at SCD Meeting 10/04/2021
AMS-02 Inner Tracker Support (2 types) x/? ?I (%) 0.142 0.193 0.142 0.477 cm 0.069 3.862 0.069 g/cm2 0.1242 0.2008 0.1242 0.4492 x/X0 (%) 0.292 0.836 0.292 1.420 Carbon Skin Al-Honeycomb Carbon Skin Total (ext.) Carbon Skin Al-Honeycomb Carbon Skin Total (int.) 0.015 1.206 0.015 0.0270 0.0205 0.0270 0.0745 0.063 0.085 0.063 0.211 0.031 0.020 0.031 0.082
