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Volume 322 - 5th International Conference on Micro-Pattern Gas Detectors (MPGD2017) - Main session
The sPHENIX Compact Time Projection Chamber: Study of SpaceCharge Distortions from First Principles
C.E. Perez Lara
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Abstract
The upcoming sPHENIX experiment \cite{sPHENIX} will have a compact Time Projection Chamber (TPC) as a main central ($-1.1<\eta<+1.1$) tracking system.
The TPC will work in continuous readout mode at 15 kHz, although the collision rate delivered by RHIC at $\pm 30$ cm could reach up to 100 kHz.
Spacecharge stockpile is one of the important challenges to overcome in such conditions.
The present article describes a study on the amount of distortions expected due to spacecharge in the sPHENIX TPC volume under the expected running conditions.
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