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An Enhancement of Formation of Unstable 8Be Nucleus with the Growth of α-Particle Multiplicity in Fragmentation of Relativistic Nuclei

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Abstract

In this paper, the correlation between the formation of the unstable 8Be nucleus and accompanying α particles in the fragmentation of relativistic 16О, 22Ne, 28Si, and 197Au nuclei in a nuclear track emulsion is investigated. The 8Be decays are identified in a wide energy range by invariant masses calculated from 2α-pair opening angles. The adopted approximations are verified by data on fragmentation of 16O nuclei in a hydrogen bubble chamber in a magnetic field. An increase in the 8Be contribution to the dissociation with the growth of α-particle multiplicity is found.

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Authors and Affiliations

  1. Joint Institute for Nuclear Research, 141980, Dubna, Russia

    A. A. Zaitsev & P. I. Zarubin

  2. Lebedev Physical Institute, Russian Academy of Sciences, 119991, Moscow, Russia

    A. A. Zaitsev, P. I. Zarubin & N. G. Peresadko

Authors
  1. A. A. Zaitsev
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  2. P. I. Zarubin
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  3. N. G. Peresadko
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Correspondence to A. A. Zaitsev.

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Translated by N. Semenova

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Zaitsev, A.A., Zarubin, P.I. & Peresadko, N.G. An Enhancement of Formation of Unstable 8Be Nucleus with the Growth of α-Particle Multiplicity in Fragmentation of Relativistic Nuclei. Phys. Atom. Nuclei 84, 1641–1646 (2021). https://doi.org/10.1134/S1063778821090386

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  • DOI: https://doi.org/10.1134/S1063778821090386

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