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Contents

• List of Figures
• List of Tables
• Acknowledgements
• Introduction
  • Multiparticle production and the strong interaction: a prehistory of the relationship
  • Relativistic collisions of heavy ions
  
  
• The NA44 Experiment
  • The General Concept
  • Beam
  • Target
  • Trigger
    • Valid beam condition (VB) and beam counting
    • Trigger detector of charged particle multiplicity (T0)
    • Multiplicity trigger (MUL1)
    • Cherenkov veto trigger ( and )
    • Use of the trigger modes
  • Scalers
  • The Si pad detector
  • Spectrometer ``optics'' and acceptance.
  • Means of particle identification
    • Tracking and time of flight
    • The Cherenkov counters
    • The Uranium Calorimeter (UCAL)
  • Readout and Data Acquisition
  
  
• Technique of the NA44 single particle analysis
  • Acceptance correction
    • Introduction and definitions
    • How to extract the one-dimensional distributions
    • Corrections for the inefficient hodoscope slats
    • Acceptance correction for the non-identified tracks
    • Imperfections of the acceptance correction and the effects thereof
    • Collimator-related uncertainties
  • Determination of the trigger centrality
    • The problem of absolute normalization
    • Role of T0
    • Role of MUL1
    • General idea of the procedure
    • How to use the Si pad array
    • Si - spectrometer acceptance matching
    • matching: Si vs spectrometer
    • Runs with Cherenkov veto
    • Correction for the consequences of radiation damage in Si
    • Results, systematic uncertainties, and conclusions.
  • Track identification
    • Double beam cut
    • Track confidence level cut
    • Pad Chamber in the trigger
  • Pion identification
    • Time of flight in pion identification
    • UCAL calibration
    • Correcting for the electron veto inefficiency.
    • Counting pions in the strong field setting.
  • Kaon identification
    • Time of flight in kaon identification.
    • Correcting for pion/electron veto inefficiency
  • Summary of the systematic uncertainties
  
  
• Inclusive single particle results for and . Their meaning.
  • Strangeness as a deconfinement signature
  • Hadrochemistry
  • Subtleties and controversies related to the strangeness signature
  • What the data say
  • Conclusion from NA44 strangeness measurements
  
  
• Technique for event-by-event multiparticle texture analysis using the NA44 Si pad array
  • Data sample and data reduction
  • -electrons and the Si detector
  • Amplitude calibration of the Si channels
  • Geometrical alignment of the detector
    • Formulation of the problem
    • Solution
  • Cross-talk analysis
    • Sources of cross-talk
    • Channel wiring and numbering
    • The covariance matrix approach
    • Cross-talk evaluation: results and discussion
    • Cross-talk correction for the multiplicity
    • The double differential multiplicity distribution
  • Discrete Wavelet Transform power spectrum analysis of local fluctuations
    • The power spectrum - a way to accumulate texture information
    • Static and dynamic texture. Event mixing as a way to subtract the static contribution.
  • Analysis of background effects
    • Sources of background
    • Background subtraction
  • GEANT-based Monte Carlo simulation of the detector response
  • Systematic errors
  
  
• Results of the event-by-event multiparticle texture analysis and their meaning
  • The DWT texture correlation
  • The multifireball event generator.
    • Physics
    • Mathematics.
  • Sensitivity of the method
  • Discussion: First Order Phase Transition
  • Discussion: Second Order Phase Transition
  
  
• Conclusions
• Bibliography
• Re-calibrating UCAL to correct for the light absorbtion.
• Subtracting background effects in the DWT power spectra.
• Calculus of covariances
• Generating sequences of random numbers with a fixed sum.
• About this document ...