Documentation of 'jhplot.stat.BunchingParameters' Java class.
BunchingParameters
jhplot.stat

Class BunchingParameters



  • public class BunchingParameters
    extends java.lang.Object
    Calculations of bunching parameters. They haracterize local multiplicity fluctuations inside a phase space. Calculations are done up to BP(6) order For a Poisson distribution it should be 1 for all divisions Here are relevant papers:

    1) LOCAL MULTIPLICITY FLUCTUATIONS IN HADRONIC Z DECAY. L3 Collaboration (M. Acciarri et al.). CERN-PPE-97-165, Dec 1997. 18pp. Phys.Lett.B429:375-386,1998

    Other papers:
    1) Bunching Parameter and Intermittency in High-Energy Collisions by S.V.Chekanov and V.I.Kuvshinov Acta Phys. Pol. B25 (1994) p.1189-1197

    2) Multifractal Multiplicity Distribution in Bunching-Parameter Analysis by S.V.Chekanov and V.I.Kuvshinov J. Phys G22 (1996), p.601-610

    3) Generalized Bunching Parameters and Multiplicity Fluctuations in Restricted Phase-Space Bins by S.V.Chekanov, W.Kittel and V.I.Kuvshinov Z. Phys. C74 (1997) p.517-529, hep-ph/9606335

    4) Scale-Invariant Dynamical Fluctuations in Jet Physics by S.V.Chekanov Eur. Phys. J. C6 (1999), 331-342, hep-ph/9804316

    5) Suppression of multi-gluon fluctuations in jets at a Linear Collider by S. V. Chekanov Phys.Lett. B509 (2001) 74-80, hep-ph/0101233

    • Constructor Summary

      Constructors 
      Constructor and Description
      BunchingParameters(int NmaxOrder, int Bins, int step, double Min, double Max)
      Initialize Bunching parameter.
    • Method Summary

      All Methods Instance Methods Concrete Methods 
      Modifier and Type Method and Description
      void doc()
      Show online documentation.
      boolean eval()
      Evaluate bunching parameters at the end of the run
      P1D getBP(int order)
      Return results: BP as a function of number of bins.
      void run(double[] v)
      Collect information about sampling.
      • Methods inherited from class java.lang.Object

        equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
    • Constructor Detail

      • BunchingParameters

        public BunchingParameters(int NmaxOrder,
                                  int Bins,
                                  int step,
                                  double Min,
                                  double Max)
        Initialize Bunching parameter.
        Parameters:
        NmaxOrder - Max order of the bunching parameter (starting from 2)!
        Bins - Defines Max number of bins used to divide the phase space (>1). The actual number of divisions is step*Bins. Therefore, 10 bins with step=4 means 400 divisions between Min and Max
        step - used to increase step for divisions
        Min - Min value in X
        Max - Max value in X
    • Method Detail

      • run

        public void run(double[] v)
        Collect information about sampling. Put this method in a loop and pass vector with particle characteristics.
        Parameters:
        v - - vector characterizing particles (like momentum, speed etc)
      • eval

        public boolean eval()
        Evaluate bunching parameters at the end of the run
        Returns:
        true if success
      • getBP

        public P1D getBP(int order)
        Return results: BP as a function of number of bins. The order should be >1 but smaller than 8
        Parameters:
        order - order of bunching parameter
        Returns:
        bunching parameters
      • doc

        public void doc()
        Show online documentation.

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