Speaker
Description
Multi-Purpose Detector (MPD) is aimed at the extensive investigation of
the properties of dense QCD matter created in heavy ion collisions. The
forward tracking detector would extend available rapidity range from
$|y| < 1.2$ to $|y| < 2.5$, which is critical for the studies of various
observables that can be used to probe the properties of the produced
matter. The main challenges for the detector are the momentum resolution
limited by the radial distance available for the track curvature
measurement that is strongly reduced at high pseudorapidities, large
material budget in front of the detector and high occupancy expected in
central heavy ion collisions.
ACTS (A Common Tracking Software) is extensively used for the forward
detector design developments. It provides a set of
experiment-independent tools for particle track reconstruction,
implemented with modern software concepts. The set includes the Kalman
filter for track fitting, seeding tools and combinatorial Kalman filter
for track finding. Coupled with an independent geometry description,
these algorithms can be adapted to various detector types.
Performance of ACTS-based implementation of track reconstruction was
tested both in simplified and realistic environments in terms of event
multiplicity. In this report, we will discuss the results of the forward
tracker performance studies.
