Abstract
Charged particle multiplicity fluctuations in simulated pp collisions at \(\sqrt s = 13\;{\text{TeV}}\) have been studied by the method of scaled factorial moment for the minimum bias events generated by Ultra-Relativistic Quantum Molecular Dynamics (UrQMD) model in the pseudo-rapidity \((\eta )\), azimuthal angle (\(\phi\)) and two-dimensional anisotropic \((\eta - \phi )\) phase space. Strong intermittent types of fluctuations have been observed for the UrQMD simulated data. Systematic studies of intermittent fluctuations in terms of scaled factorial moments have been utilized to extract the anomalous fractal dimension in the pseudo-rapidity \((\eta )\), azimuthal angle (\(\phi\)) and two-dimensional anisotropic \((\eta - \phi ) \) phase space. Search for the quark-hadron phase transition in the framework of Ginzburg–Landau theory of the second-order phase transition in the light of the scaled factorial moment method has also been performed.
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Data Availability Statement
This manuscript has associated data in a data repository. [Authors’ comment: In this paper experimental data of LHC has been simulated by UrQMD model. All data generated or analysed during this study are included in this published article.]
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Acknowledgements
The author acknowledges Prof. Maria Haiduc, retired scientist, Institute of space science, Bucharest, Romania, for her whole hearted support and help to carry out this research work. Dr. Bhattacharyya also acknowledges Prof. Dipak Ghosh, Department of Physics, Jadavpur University and Prof. Argha Deb Department of Physics, Jadavpur University, for their constant inspiration in the preparation of this manuscript.
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Bhattacharyya, S. A search for the quark-hadron phase transition in simulated pp collisions at \(\sqrt{{\varvec{s}}}\) = 13 TeV using UrQMD model by the scaled factorial moment method. Eur. Phys. J. Plus 136, 471 (2021). https://doi.org/10.1140/epjp/s13360-021-01325-y
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DOI: https://doi.org/10.1140/epjp/s13360-021-01325-y