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Mass Number Dependence of the Forward Production of Charged Hadrons and Nuclear Fragments in Carbon–Lead and Carbon–Carbon Interaction at a Beam Energy of 19.6 GeV per Nucleon

Abstract

The inclusive differential cross sections for the production of \(\pi^{\pm}\) and \(k^{-}\) mesons, protons, and antiprotons with momenta between 6 and 50 GeV/c and nuclear fragments of mass number \(1\leq A\leq 10\) in the momentum range between 20 and 220 GeV/c were measured in carbon–lead collisions at a beam kinetic energy of 19.6 GeV per nucleon (\(\sqrt{S_{NN}}=6.3\) GeV). A comparison with the respective cross sections for carbon–carbon interactions is performed, and the dependence on the target mass number (\(A\)) is estimated. The present analysis shows that the observed particles originate predominantly from peripheral interactions.

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Funding

This work was supported by Russian Foundation for Basic Research (project no. 19-02-00278).

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Correspondence to M. Yu. Bogolyubsky.

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Afonin, A.G., Bogolyubsky, M.Y., Volkov, A.A. et al. Mass Number Dependence of the Forward Production of Charged Hadrons and Nuclear Fragments in Carbon–Lead and Carbon–Carbon Interaction at a Beam Energy of 19.6 GeV per Nucleon. Phys. Atom. Nuclei 84, 475–482 (2021). https://doi.org/10.1134/S1063778821040049

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