Cluster size and strength of correlation dependence on multiplicity in cosmic-ray interactions

Details Cluster size and strength of correlation dependence on multiplicity in cosmic-ray interactions Cluster size and strength of correlation dependence on multiplicity in cosmic-ray interactions

Sep 1979

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1979nciml..26...88g&link_type=abstract

Nuovo Cimento, Lettere, Serie 2, vol. 26, Sept. 15, 1979, p. 88-92. Research supported by the Council of Scientific and Industr

Physics

3

Cosmic Rays, Galactic Clusters, High Energy Interactions, Nucleon-Nucleon Interactions, Particle Production, Charged Particles, Correlation, Particle Energy, Size (Dimensions), Velocity Distribution

Scientific paper

Variations of cosmic ray cluster size and the strength of correlation of particles produced from the cluster with the multiplicity of the secondary particles produced in an interaction are investigated. The rapidity differences of charged secondary particles produced in nucleon-nucleon interactions at cosmic-ray energies between 0.1 and 2600 TeV in previous investigations are analyzed. Fits of the rapidity-difference distribution to the rate of change of multiplicity with rapidity difference reveal that for multiplicities greater than or equal to 14, two, three-, and four-particle correlations are present while five- and six-particle correlations are absent, whereas for multiplicities less than or equal to nine, only two- and three-particle correlations are present. In addition, a stronger correlation is found in high-multiplicity events than in low-multiplicity interactions. It is concluded that maximum cluster size and particle correlation increase with multiplicity.

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