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Slow particle production in interactions of neutrinos with heavy nuclei of photoemulsion

Authors
Journal
Nuclear Physics A
0375-9474
Publisher
Elsevier
Publication Date
Volume
578
Identifiers
DOI: 10.1016/0375-9474(94)90762-5
Disciplines
  • Design
  • Physics

Abstract

Abstract We report by-product results of the photoemulsion hybrid experiment E-564 initially designed to search for charmed particles. Characteristics of cascade and evaporation nuclides (so called g- and b-particles) emitted in CC-interactions of neutrinos (〈 E v 〉 ∼ 60 GeV) with the heavy nuclei of emulsion (AgBr) are presented. They are compared with those obtained in a Monte Carlo simulation. An evaporation model with two forms of the Coulomb barrier was used in the simulation. The b-track length distribution does not agree with the model based on the Coulomb barrier corresponding to the surface evaporation of particles from the excited nucleus. This distribution agrees well with the model if the Coulomb barrier is taken in the form corresponding to the hypothesis of the volume particle emission.

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