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Intranuclear cascade in ν μ Ne interactions

1985; American Physical Society; Volume: 32; Issue: 7 Linguagem: Inglês

10.1103/physrevd.32.1605

1538-4500

E. B. Brucker, P. Jacques, M. Kalelkar, E. L. Koller, R. J. Plano, P. Stamer, H. H. Williams, N. J. Baker, S. Kahn, M. J. Murtagh, M. Tanaka,

Neutrino Physics Research

We report a study of multiplicities in ${\ensuremath{\nu}}_{\ensuremath{\mu}}$Ne charged-current interactions. The data were obtained at Fermilab, using the wide-band neutrino beam incident on the 15-ft bubble chamber filled with a neon-hydrogen mixture. We measure a mean positive-charge excess of 0.58\ifmmode\pm\else\textpm\fi{}0.02, and show that it consists mainly of ``grey protons,'' i.e., protons in the momentum range 0.2 to 1.0 GeV/c. The average number of secondary collisions in the intranuclear cascade is found to be 1.16\ifmmode\pm\else\textpm\fi{}0.04. The distribution of the number of grey protons is in good agreement with the model of Andersson, Otterlund, and Stenlund.