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Charged particle track reconstruction with S pi RIT Time Projection Chamber

Authors
Lee, J. W.Jhang, G.Cerizza, G.Barney, J.Estee, J.Isobe, T.Kaneko, M.Kurata-Nishimura, M.Lynch, W. G.Murakami, T.Tsang, C. Y.Tsang, M. B.Wang, R.Hong, B.McIntosh, A. B.Sakurai, H.Santamaria, C.Shane, R.Tangwancharoen, S.Yennello, S. J.Zhang, Y.
Issue Date
11-6월-2020
Publisher
ELSEVIER
Keywords
Symmetry energy; S pi RIT; Time Projection Chamber; Pattern recognition; Tracking; GENFIT; RAVE; Riemann fitting; Vertex reconstruction
Citation
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT, v.965
Indexed
SCIE
SCOPUS
Journal Title
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT
Volume
965
URI
https://scholar.korea.ac.kr/handle/2021.sw.korea/55025
DOI
10.1016/j.nima.2020.163840
ISSN
0168-9002
Abstract
In this paper, we present a software framework, S pi RITROOT, which is capable of track reconstruction and analysis of heavy-ion collision events recorded with the S pi RIT time projection chamber. The track-fitting toolkit GENFIT and the vertex reconstruction toolkit RAVE are applied to a box-type detector system. A pattern recognition algorithm which performs helix track finding and handles overlapping pulses is described. The performance of the software is investigated using experimental data obtained at the Radioactive Isotope Beam Facility (RIBF) at RIKEN. This work focuses on data from Sn-132 + Sn-124 collision events with beam energy of 270 AMeV. Particle identification is established using < dE / dx > and magnetic rigidity, with pions, hydrogen isotopes, and helium isotopes.
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