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Charged-particle multiplicities in charged-current neutrino- and anti-neutrino-nucleus interactions

Abstract : The CHORUS experiment, designed to search for vμ → vτ oscillations, consists of a nuclear emulsion target and electronic detectors. In this paper, results on the production of charged particles in a small sample of charged-current neutrino- and anti-neutrino-nucleus interactions at high energy are presented. For each event, the emission angle and the ionization features of the charged particles produced in the interaction are recorded, while the standard kinematic variables are reconstructed using the electronic detectors. The average multiplicities for charged tracks, the pseudo-rapidity distributions, the dispersion in the multiplicity of charged particles and the KNO scaling are studied in different kinematical regions. A study of quasi-elastic topologies performed for the first time in nuclear emulsions is also reported. The results are presented in a form suitable for use in the validation of Monte Carlo generators of neutrino-nucleus interactions.
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http://hal.in2p3.fr/in2p3-00319718
Contributor : Danielle Cristofol <>
Submitted on : Tuesday, September 9, 2008 - 11:06:10 AM
Last modification on : Thursday, November 5, 2020 - 3:12:16 AM

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A. Kayis-Topaksu, G. Önengüt, R. van Dantzig, M. de Jong, R.G.C. Oldeman, et al.. Charged-particle multiplicities in charged-current neutrino- and anti-neutrino-nucleus interactions. European Physical Journal C: Particles and Fields, Springer Verlag (Germany), 2007, 51, pp.775-785. ⟨10.1140/epjc/s10052-007-0366-8⟩. ⟨in2p3-00319718⟩

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