Tilted CMOS Active Pixel sensors for particle track reconstruction
In this
work, we propose an innovative
approach to characterize CMOS
Active Pixel Sensors to be used
for particle track
reconstruction. The main idea is
to use three pixel layers in the
conventional way (e.g.
orthogonally disposed with
respect to the particle
trajectory), whereas a fourth
layer can be tilted with respect
to the others up to 90 degrees.
This would potentially allow for
a better track reconstruction,
thanks to the big number of
reconstruction points.
In order
to check the suitability of the
approach a dedicated tracking
system featuring four sensors of
256×256 pixels has been
assembled and tested at the INFN
BTF, Frascati (Italy). Test
results demonstrate the
suitability of the approach,
e.g. the system sensitivity to
tilted trajectories.
Cite as
D.Passeri et al. Tilted CMOS Active Pixel Sensors for Particle Track Reconstruction, IEEE Nucl. Sci. Symp. Conf. Rec. NSS09 (2009) 1678. July 2006.
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