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A dependence of the cross sections for the cumulative production of pions and protons in proton-nucleus and nucleus-nucleus interactions

  • Elementary Particles and Fields
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Abstract

The behavior of the inclusive cross sections for the cumulative production of π ± mesons and protons in pA, DA, and 4HeA interactions is studied versus the atomic mass number of fragmenting nuclei. The primary-beam momenta were 4.5 GeV/c per nucleon. Secondary pions and protons were recorded with a fixed momentum of 0.5 GeV/c at an angle of 120°. Specifically, the experiment explored the fragmentation of D, He, 6Li, 7Li, C, Si, 58Ni, 64Ni, 64Zn, 114Sn, 124Sn, and Pb nuclei. The energy spectra of π + and π − mesons and protons with momenta in the range 0.3–0.7 GeV/c (the emission angle being 120°) were measured in an 8.9-GeV/c proton beam for Ni, Zn, and Sn isotopes. The special features in the behavior of the cross sections are found and discussed, and a comparison is drawn with the results of other studies.

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Authors and Affiliations

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

    V. K. Bondarev, A. G. Litvinenko, A. I. Malakhov & S. G. Reznikov

Authors
  1. V. K. Bondarev
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  2. A. G. Litvinenko
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  3. A. I. Malakhov
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  4. S. G. Reznikov
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__________

Translated from Yadernaya Fizika, Vol. 64, No. 9, 2001, pp. 1698–1704.

Original Russian Text Copyright © 2001 by Bondarev, Litvinenko, Malakhov, Reznikov.

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Bondarev, V.K., Litvinenko, A.G., Malakhov, A.I. et al. A dependence of the cross sections for the cumulative production of pions and protons in proton-nucleus and nucleus-nucleus interactions. Phys. Atom. Nuclei 64, 1618–1623 (2001). https://doi.org/10.1134/1.1409502

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  • DOI: https://doi.org/10.1134/1.1409502

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