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A novel String Banana Template Method for Tracks Reconstruction in High Multiplicity Events with significant Multiple Scattering and its Firmware Implementation

By P. Kulinich, S. Basilev and V. Krylov

Abstract

Novel String Banana Template Method (SBTM) for track reconstruction in difficult conditions is proposed and implemented for off-line analysis of relativistic heavy ion collision events. The main idea of the method is in use of features of ensembles of tracks selected by 3-fold coincidence. Two steps model of track is used: the first one - averaged over selected ensemble and the second - per event dependent. It takes into account Multiple Scattering (MS) for this particular track. SBTM relies on use of stored templates generated by precise Monte Carlo simulation, so it's more time efficient for the case of 2D spectrometer. All data required for track reconstruction in such difficult conditions could be prepared in convenient format for fast use. Its template based nature and the fact that the SBTM track model is actually very close to the hits implies that it can be implemented in a firmware processor. In this report a block diagram of firmware based pre-processor for track reconstruction in CMS-like Si tracker is proposed.Comment: 9 pages, 8 figures; Proceeding of "10th Workshop on Electronics for LHC and future Experiments", Boston, MA USA, 13-17 Sep 2004, p34

Topics: Physics - Data Analysis, Statistics and Probability
Year: 2005
OAI identifier: oai:arXiv.org:physics/0502068

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