Dual Phase Considerations Conversation starter, not a complete set - PowerPoint PPT Presentation

Feb 07, 2024 •212 likes •308 views

Dual Phase Considerations Conversation starter, not a complete set of slides. Keep DP in mind as we discuss topics A dedicated session on Dual Phase Friday morning 1 Dual Phase Technology Liquid and gas phase Ionization

Dual Phase Considerations Conversation starter, not a complete set of slides. • Keep DP in mind as we discuss topics • A dedicated session on Dual Phase Friday morning • 1
Dual Phase Technology • Liquid and gas phase • Ionization signals amplified and detected in the gaseous phase above liquid level 2
Dual Phase Technology 3
Dual Phase Technology 4
Dual Phase Technology 5
Simulation M. Mooney 6
Simulation M. Mooney 7
DP Challenges • E-field distortions — biggest concern? • Ionization sources (e.g. Ar39) • Drift field deformations (misalignments, resistor failures etc.) • Argon flow pattern (steady state or turbulent) can significantly impact this, for both SP and DP • Even more complicated for DP, positive ions may collect above the liquid and create surface interface issues. Negative ions may also accumulate on surface. • The 12 m vertical drift can pose challenges • Electron lifetime? • Diffusion? • Recombination? — impacted by E-field 8
Other Challenges/Considerations? What can be learnt from Prototypes? 9

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