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Calculating particle correlators with the account of detector efficiency

2012/07/02 by Y. Kulchitsky, Kulchitsky, Y. A., R. Lednický +7
Engineering · Physics and Astronomy · #Dark Matter and Cosmic Phenomena #Data Analysis #FOS: Physical sciences #High Energy Physics - Experiment (hep-ex) #High-Energy Particle Collisions Research #Nuclear reactor physics and engineering #Statistics and Probability (physics.data-an)

paper · pdf · doi:10.48550/arxiv.1207.0309

openalex publication_date 2012/07/02 · openalex created_date 2025/10/10 · openalex updated_date 2026/07/28

Abstract

The formulae for correlators K2 and K3 of a given particle observable (e.g. energy or transverse momentum) accounting for the track reconstruction efficiency are presented. Similar to the case of an ideal detector, the correlators can be expressed through the event-by-event fluctuation of the observable single event mean and the observable pseudo-central moments. However, on the contrary to the ideal case, this splitting does not allow for a substantial reduction of the computation time.

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