"Production of resonances by pions"

TL;DRAbstract

This thesis contains a description of investigations that have been undertaken to examine the inelastic interactions of positively charged pi-mesons with protons. The experiment was carried out at the European Centre for Nuclear Research in Geneva using a separated beam of 5 GeV/c pions produced by the 27 GeV Proton Synchrotron. Pictures were taken of the interactions of the pions with the protons of the 150 cm. British National Hydrogen Bubble Chamber. To analyse the interactions recorded on the films of the chamber a digitized measuring apparatus was constructed. The machine provided data about the interactions encoded in a suitable manner for automatic processing. The numerical and statistical methods used in the computation of the most probable dynamical interpretation of each interaction are given. In the sample of these high multiplicity interactions that have six or seven particles in the final state of the reaction, evidence was found for the production of intermediate particle

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