Speaker
Davide Pinci
(INFN - Roma)
Description
The CYGNO collaboration is developing a gaseous time projection chamber
with optical readout of a triple-GEM stack for directional dark matter
searches. While this technique provides detailed reconstruction of event
topology, it requires operation at high gain of the amplification stage,
where nonlinearities in the GEM response become significant. We present
a model developed to describe these nonlinear effects and compare the
simulated results with experimental data