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Analysis of heavy-flavour particles in ALICE with the O2 analysis framework

Vít Kučera, Gian Michele Innocenti, Francesco Prino, Andrea Rossi, Jan Fiete Grosse-Oetringhaus, Nima Zardoshti, Luigi Dello Stritto, Chiara Zampolli, Fabio Catalano, Biao Zhang, Nicolo Jacazio, Mattia Faggin (+13 others)
2021 EPJ Web of Conferences  

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Precise measurements of heavy-flavour hadrons down to very low pT represent the core of the physics program of the upgraded ALICE experiment in Run 3 [1]. These physics probes are characterised by a very small signal-to-background ratio requiring very large statistics of minimum-bias events. In Run 3, ALICE is expected to collect up to 13 nb−1 of lead–lead collisions, corresponding to about 1 × 1011 minimum-bias events. In order to analyse this unprecedented amount of data, which is about 100
more » ... mes larger than the statistics collected in Run 1 and Run 2, the ALICE collaboration is developing a complex analysis framework that aims at maximising the processing speed and data volume reduction [2]. In this paper, the strategy of reconstruction, selection, skimming, and analysis of heavy-flavour events for Run 3 will be presented. Some preliminary results on the reconstruction of charm mesons and baryons will be shown and the prospects for future developments and optimisation discussed.
doi:10.1051/epjconf/202125103064 fatcat:wkbsgvet4vgnfpqczop6jjxllu
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Vít Kučera, Gian Michele Innocenti, Francesco Prino, Andrea Rossi, Jan Fiete Grosse-Oetringhaus, Nima Zardoshti, Luigi Dello Stritto, Chiara Zampolli, Fabio Catalano, Biao Zhang, Nicolo Jacazio, Mattia Faggin, Antonio Palasciano, Fabio Colamaria, Marianna Mazzilli, Deepa Thomas, Rik Spijkers, Jianhui Zhu, Henrique Zanoli, C. Biscarat, S. Campana, B. Hegner, S. Roiser, C.I. Rovelli, G.A. Stewart. "Analysis of heavy-flavour particles in ALICE with the O2 analysis framework." EPJ Web of Conferences (2021) 03064