Analysis of Long-Distance Correlations in Multitrack Events

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Explore the present status and future investigations of analyzing long-distance correlations from multitrack events captured by various telescopes. The study delves into correlation search strategies, dataset details, observed events, and proposed paper content outlining physics motivations, experimental setup, analysis procedures, and expected results. The investigation emphasizes cuts optimization, topological studies, and selection criteria for multi-track analyses before finalizing the study for publication in a scientific journal. The collaboration requires further research on multi-track events to enhance understanding. Manpower from Catania is sought for the upcoming research initiatives.

  • Long-distance correlations
  • Multitrack events
  • Telescope pair
  • Analysis strategy
  • Dataset

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Presentation Transcript


  1. Search for long distance correlations from multitrack events - Present status of the analysis - Further investigations and checks to be done - Paper proposal

  2. Search for long distance correlations from multitrack events Present Present status of the status of the analysis analysis Last update to the Collaboration on July 4th 2019 (EEEmeeting@CentroFermi) Latest results presented @EPS (July 2019) and @DeSyT-2019 (Sept. 2019) Analysis strategy: Search for correlations between any telescope pair, looking at two- and multi-track events in both telescopes Dataset: Full available statistics: 2013-2018 42 telescopes + 5 clusters 30M coincidence events (within 2 s) Info saved on ROOT file for further analyses: Telescope code Event time Direction and 2 of individual tracks Sum of scalar products between tracks (alignment between tracks) Preselection cuts: 2 < 10 Rough alignment between tracks in the same telescope Distance between telescopes > 5 km

  3. Search for long distance correlations from multitrack events Present Present status of the status of the analysis analysis Events excess observed for T 10-4s 40 coincident events observed (expected background 23.4 events) p-value 10-3

  4. Search for long distance correlations from multitrack events Further investigations and checks to be done Further investigations and checks to be done Investigation of multi-track events: Optimization of the tracking algorithm (to be done?) Study of the topology of multi-track events Selection of good multi-track candidates for the analysis Who, when, how? Cuts optimization: Multi-tracks events selection (parallelism and quality) N. of tracks Site distance Relative angle

  5. Search for long distance correlations from multitrack events Paper proposal Paper proposal Possible content Possible content: - Introduction (physics motivations) - The experimental apparatus - Dataset and selection of multi-track events - Analysis Procedure - Results and conclusions Target Target: which journal? Deadline Deadline: further studies on multi-track events have to be done before finalizing the results Manpower Manpower: Catania, ?

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