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Applying the Kalman filter particle method to strange and open charm hadron reconstruction in the STAR experiment

We applied KF Particle, a Kalman Filter package for secondary vertex finding and fitting, to strange and open charm hadron reconstruction in heavy-ion collisions in the STAR experiment. Compared to the conventional helix swimming method used in STAR, the KF Particle method considerably improved the...

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Hauptverfasser: Ju, Xin-Yue (VerfasserIn) , Leung, Yue (VerfasserIn) , Radhakrishnann, Sooraj (VerfasserIn) , Chaloupka, Petr (VerfasserIn) , Dong, Xin (VerfasserIn) , Fisyak, Yury (VerfasserIn) , Federic, Pavol (VerfasserIn) , Kisel, Ivan (VerfasserIn) , Ke, Hong-Wei (VerfasserIn) , Kocan, Michal (VerfasserIn) , Margetis, Spyridon (VerfasserIn) , Tang, Ai-Hong (VerfasserIn) , Vassiliev, Iouri (VerfasserIn) , Zhang, Yi-Fei (VerfasserIn) , Zhu, Xiang-Lei (VerfasserIn) , Zyzak, Maksym (VerfasserIn)
Dokumenttyp: Article (Journal)
Sprache:Englisch
Veröffentlicht: 30 October 2023
In: Nuclear science and techniques
Year: 2023, Jahrgang: 34, Heft: 10, Pages: 1-10
ISSN:2210-3147
DOI:10.1007/s41365-023-01320-1
Online-Zugang:Verlag, lizenzpflichtig, Volltext: https://doi.org/10.1007/s41365-023-01320-1
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Verfasserangaben:Xin-Yue Ju, Yue-Hang Leung, Sooraj Radhakrishnann, Petr Chaloupka, Xin Dong, Yury Fisyak, Pavol Federic, Ivan Kisel, Hong-Wei Ke, Michal Kocan, Spyridon Margetis, Ai-Hong Tang, Iouri Vassiliev, Yi-Fei Zhang, Xiang-Lei Zhu, Maksym Zyzak
Beschreibung
Zusammenfassung:We applied KF Particle, a Kalman Filter package for secondary vertex finding and fitting, to strange and open charm hadron reconstruction in heavy-ion collisions in the STAR experiment. Compared to the conventional helix swimming method used in STAR, the KF Particle method considerably improved the reconstructed $$\Lambda$$, $$\Omega$$, and $$D^0$$significance. In addition, the Monte Carlo simulation with STAR detector responses could adequately reproduce the topological variable distributions reconstructed in real data using the KF Particle method, thereby retaining substantial control of the reconstruction efficiency uncertainties for strange and open charm hadron measurements in heavy-ion collisions.
Beschreibung:Gesehen am 08.12.2023
Beschreibung:Online Resource
ISSN:2210-3147
DOI:10.1007/s41365-023-01320-1

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