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Correlations in multiparticle production

Author

Summary, in English

Different aspects of the strong interaction in particle collisions are studied. Most of the work is based on the Lund string fragmentation model for hadron production. A model which incorporates interference between identical bosons in the string model is presented. With this model the consequences for the Bose-Einstein effect are investigated in detail. What happens at the end of the QCD cascades is also addressed. It is shown that, with just a few reasonable assumptions, the emission of soft gluons is constrained to produce an ordered field in the form of a helix. A signature of the helix field which should survive fragmentation is presented. Inspired by the Feynman-Wilson gas analogy a partition function for the string model is derived and its properties are investigated.

Publishing year

1998-11-25

Language

English

Document type

Dissertation

Topic

  • Subatomic Physics

Keywords

  • String fragmentation
  • QCD
  • Correlations
  • Colour interference
  • Bose-Einstein interference
  • quantum mechanics
  • classical mechanics
  • Mathematical and general theoretical physics
  • relativity
  • gravitation
  • statistical physics
  • Matematisk och allmän teoretisk fysik
  • High energy interactions
  • thermodynamics
  • kvantmekanik
  • klassisk mekanik
  • termodynamik
  • cosmic rays
  • Kosmisk strålning
  • högenergi
  • statistisk fysik
  • relativitet
  • Fysicumarkivet A:1998:Ringnér

Status

Published

Supervisor

  • Bo Andersson

ISBN/ISSN/Other

  • ISBN: 91-628-3190-9
  • ISRN: LUNFD6/(NFTF-1039)/1-18 (1998)

Defence date

25 November 1998

Defence time

10:15

Defence place

Lecture Hall A of the Department of Physics

Opponent

  • James D. Bjorken (Prof)