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Anomalous fractal dimension and Ginzburg–Landau phase transition study in high energy nuclear interaction

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  • Ghosh, Dipak
  • Deb, Argha
  • Saha, Ruma
  • Das, Rupa
  • Alam, Nurul

Abstract

This work presents an analysis of anomalous fractal dimension of pions emitted from 16O–AgBr interactions at 2.1AGeV and 60AGeV and 32S–AgBr interactions at 200AGeV using the data of Fq moment analysis in different phase space binning regions in two-dimensional η–ϕ space. Further a scaling exponent (ν) in each case has been determined following Ginzburg–Landau formalism to search for possible signal of quark-hadron phase transition. The analysis reveals that the values of scaling exponent in all bin-ranges at three widely different energies are significantly different from the critical value (1.304) discarding any possibility of QGP phase transition.

Suggested Citation

  • Ghosh, Dipak & Deb, Argha & Saha, Ruma & Das, Rupa & Alam, Nurul, 2012. "Anomalous fractal dimension and Ginzburg–Landau phase transition study in high energy nuclear interaction," Chaos, Solitons & Fractals, Elsevier, vol. 45(2), pages 181-187.
    • Handle: RePEc:eee:chsofr:v:45:y:2012:i:2:p:181-187
    DOI: 10.1016/j.chaos.2011.10.010
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