A “vector finder” approach to track reconstruction in the inner tracking system of MPD/NICA

Zinchenko, D.; Zinchenko, A.; Nikonov, E. G.

doi:10.1063/1.5130112

Cited by 3 publications

(1 citation statement)

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“…In order to optimize the ITS configuration and study the performance of the upgraded detector, a dedicated ITS track reconstruction method based on a constrained combinatorial search was developed and implemented as a Vector Finder toolkit [7,8]. The approach is described below, and some results of its application to track and hyperon decay reconstruction in the MPD ITS are presented.…”

Section: Introductionmentioning

confidence: 99%

A Vector Finder Toolkit for Track Reconstruction in MPD ITS

et al. 2021

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As a part of the future upgrade program of the Multi-Purpose Detector (MPD) experiment at the Nuclotron-Based Ion Collider Facility (NICA) complex, an Inner Tracking System (ITS) made of Monolitic Active Pixel Sensors (MAPSs) is proposed between the beam pipe and the Time Projection Chamber (TPC). It is expected that the new detector will enhance the experimental potential for the reconstruction of short-lived particles—in particular, those containing the open charm particle. To study the detector performance and select its best configuration, a track reconstruction approach based on a constrained combinatorial search was developed and implemented as a software toolkit called Vector Finder. This paper describes the proposed approach and demonstrates its characteristics for primary and secondary track finding in ITS, ITS-to-TPC track matching and hyperon reconstruction within the MPD software framework. The results were obtained on a set of simulated central gold–gold collision events at sNN=9 GeV with an average multiplicity of ∼1000 charged particles in the detector acceptance produced with the Ultra-Relativistic Quantum Molecular Dynamics (UrQMD) generator.

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Section: Introductionmentioning

confidence: 99%