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Multiplicity fluctuations of pions and protons at SPS energy — An in-depth analysis with factorial correlator

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Abstract

We compute the factorial correlators to study the dynamical fluctuations of pions and a combination of pions and protons (compound multiplicity) in 32S-AgBr interactions at 200 A GeV. The study reveals that for both pion and compound multiplicity the correlated moments increase with the decrease in bin-bin separation D, following a power-law, which suggests the self-similarity of multiplicity fluctuation in each case. The results of the analysis also show a consistency with the prediction of α-model for the existence of intermittency in both cases.

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Authors and Affiliations

  1. Nuclear and Particle Physics Research Centre, Department of Physics, Jadavpur University, Kolkata, 700 032, India

    Dipak Ghosh, Argha Deb, Madhumita Banerjee Lahiri, Subrata Biswas & Pasupati Mandal

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  1. Dipak Ghosh
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  2. Argha Deb
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  3. Madhumita Banerjee Lahiri
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  4. Subrata Biswas
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  5. Pasupati Mandal
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Correspondence to Dipak Ghosh.

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Ghosh, D., Deb, A., Lahiri, M.B. et al. Multiplicity fluctuations of pions and protons at SPS energy — An in-depth analysis with factorial correlator. Pramana - J Phys 73, 685–697 (2009). https://doi.org/10.1007/s12043-009-0137-1

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