Why more hadronlike photons produce less particles on nuclear targets

N. N. Nikolaev; B. G. Zakharov; V. R. Zoller

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arXiv · hep-ph/9406229

Why more hadronlike photons produce less particles on nuclear targets

N. N. Nikolaev·B. G. Zakharov·V. R. Zoller

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Abstract

In hadron-nucleus interactions, the stronger is nuclear shadowing in the total cross section the higher is the multiplicity of secondary hadrons. In deep inelastic scattering, nuclear shadowing at small $x$ is associated with the hadronlike behaviour of photons as contrasted to the pointlike behaviour in the non-shadowing region of large $x$. In this paper we predict smaller mean multiplicity of secondary hadrons, and weaker fragmentation of the target nucleus, in deep inelastic leptoptoproduction on nuclei in the shadowing region of small $x$ as compared to the non-shadowing region of large $x$. This paradoxial conclusion has its origin in nuclear enhancement of the coherent diffraction dissociation of photons. We present numerical predictions for multiproduction in $μXe$ interactions studied by the Fermilab E665 collaboration.

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N. N. Nikolaev, B. G. Zakharov, V. R. Zoller. 1994-06-05. Why more hadronlike photons produce less particles on nuclear targets. https://arxiv.org/abs/hep-ph/9406229

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