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Chiral Effects in Nucleus–Nucleus Collisions: Experimental Review

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Abstract

A survey of experimental results obtained by studying chiral effects in nucleus–nucleus collisions at various energies is presented. The entire body of these experimental results confirms indirectly a topologically nontrivial structure of the QCD vacuum and the possibility of a local violation of discrete QCD symmetries at finite temperature. A significant decrease in the asymmetry of the distribution of electrically charged particles with respect to the reaction plane in heavy-ion collisions in the energy range of \(\sqrt {sNN} \) GeVmay be indicative of a possible transition to the region where hadron states dominate over quark–gluon degrees of freedom in a mixed phase formed in nucleus–nucleus collisions at intermediate energies.

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Authors and Affiliations

  1. National Research Nuclear University MEPhI, Kashirskoe sh. 31, Moscow, 115409, Russia

    V. A. Okorokov

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  1. V. A. Okorokov
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Correspondence to V. A. Okorokov.

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Original Russian Text © V.A. Okorokov, 2017, published in Yadernaya Fizika, 2017, Vol. 80, No. 6, pp. 652–659.

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Okorokov, V.A. Chiral Effects in Nucleus–Nucleus Collisions: Experimental Review. Phys. Atom. Nuclei 80, 1133–1140 (2017). https://doi.org/10.1134/S1063778817060163

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