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Hadron-nucleus interactions and the leading particle effect in a dual-parton model

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Zeitschrift für Physik C Particles and Fields

Abstract

We describe hadron-nucleus interactions at smallP T in the framework of a dual-parton model which is a generalization of the two-chain dual-partonmodel of hadron-hadron interactions introduced recently in the literature. The model (of a multiple scattering type) is formulated in the framework of the 1/N expansion in dual theories. Regge singularities are used to determine the (joint) momentum distribution functions of the various sets of constituents (valence and sea quarks) which yield hadron jets in successive orders of the 1/N expansion. These jets result from a standard color separation mechanism, inspired by QCD. We study the inclusive spectra of various types of secondaries for various projectiles and targets. Particular emphasis is laid on theA-dependence in the projectile fragmentation region. A comparison with available experimental data is presented.

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Authors and Affiliations

  1. Laboratoire de Physique Théorique et Hautes Energies, Orsay, France

    A. Capella & J. Tran Than Van

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  1. A. Capella
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  2. J. Tran Than Van
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Laboratoire associé an CNRS Postal address: Bat. 211, Université Paris XI, F-91405 Orsay Cedex, France

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Capella, A., Tran Than Van, J. Hadron-nucleus interactions and the leading particle effect in a dual-parton model. Z. Phys. C - Particles and Fields 10, 249–262 (1981). https://doi.org/10.1007/BF01549733

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  • DOI: https://doi.org/10.1007/BF01549733

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