Jun 5 – 10, 2016
Padova, Italy
Europe/Rome timezone

FPGA online tracking algorithm for the PANDA straw tube tracker

Jun 7, 2016, 3:00 PM
1h 30m
Centro Congressi (Padova)

Centro Congressi

Padova

Poster presentation Real Time System Architectures and Intelligent Signal Processing Poster session 1

Speaker

Dr Yutie Liang (Giessen University)

Description

An FPGA based online tracking algorithm for helix track reconstruction in a solenoidal field, developed for the PANDA spectrometer, is described. Employing the Straw Tube Tracker detector with 4636 straw tubes, the algorithm includes a complex track finder, and a track fitter adopting Xilinx IP cores. Implemented in VHDL, the algorithm is tested on a Vertex4 FX60 FPGA chip with different types of events, at different event rates. A processing time of 7 $\mu$s per event for an average of 6 charged tracks is obtained. The momentum resolution is about 3\% (4\%) for $p_t$ ($p_z$). Comparing to the offline tracking algorithm running at CPU, an improvement of 3 orders of magnitudes in processing time is obtained, however at 3 times worse resolution. The algorithm can deal with severe overlapping of events which are typical for interaction rates above 10 MHz.

Primary author

Dr Yutie Liang (Giessen University)

Co-author

Wolfgang Kuehn (Justus-Liebig-Universitaet Giessen (DE))

Presentation materials

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