Speakers
Jakob Lettenbichler
(HEPHY Vienna, Austria)
Moritz Nadler
Rudi Frühwirth
(Institut fuer Hochenergiephysik (HEPHY))
Description
The Silicon Vertex Detector (SVD) of the Belle II experiment is a newly developed
device with four measurement layers. Track finding in the SVD will be done both in
conjunction with the Central Drift Chamber and in stand-alone mode. The
reconstruction of very-low-momentum tracks in stand-alone mode is a big challenge,
especially in view of the low redundancy and the large expected background. We
describe two approaches for track finding in this domain, a cellular automaton and a
combinatorial Kalman filter. Both methods are combined with a Hopfield network which
finds an optimal subset of non-overlapping tracks. We present results on simulated
data and compare the two methods in terms of efficiency, purity and speed
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Author
Jakob Lettenbichler
(HEPHY Vienna, Austria)
Co-authors
Moritz Nadler
Rudi Frühwirth
(Institut fuer Hochenergiephysik (HEPHY))
