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Expansion Time of the Thermal Multifragmentation in the Interaction of 22 GeV Carbon Nuclei with a Gold Target

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Bulletin of the Russian Academy of Sciences: Physics Aims and scope

Abstract

The relative angle correlations of intermediate mass fragments has been studied for 12C + Au collisions at 22 GeV. Strong suppression at small angles is observed which is due to the Coulomb repulsion of fragments. The experimental correlation function was compared to that obtained by the multibody Coulomb trajectory calculations with the various decay time of fragmenting system. It is found that the average decay time of fragmenting system is less than 59 ± 11 fm c–1.

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ACKNOWLEDGMENTS

The authors thank to A.I. Malakhov and V.D. Kekelidze for their support of this work. We are grateful to V.V. Korenkov for the opportunity to use the HybriLIT platform of the Meshcheryakov Laboratory of Information Technologies of the Joint Institute for Nuclear Research.

Funding

The research was supported by the Russian Foundation for Basic Research, project no. 19-02-00499а.

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Authors and Affiliations

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

    S. P. Avdeyev, W. Karcz, V. V. Kirakosyan, P. A. Rukoyatkin & V. I. Stegaylov

  2. Frankfurt Institute for Advanced Studies Johann Wolfgang Goethe University, 60438, Frankfurt am Main, Germany

    A. S. Botvina

Authors
  1. S. P. Avdeyev
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  2. W. Karcz
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  3. V. V. Kirakosyan
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  4. P. A. Rukoyatkin
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  5. V. I. Stegaylov
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  6. A. S. Botvina
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Corresponding author

Correspondence to S. P. Avdeyev.

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Avdeyev, S.P., Karcz, W., Kirakosyan, V.V. et al. Expansion Time of the Thermal Multifragmentation in the Interaction of 22 GeV Carbon Nuclei with a Gold Target. Bull. Russ. Acad. Sci. Phys. 85, 1077–1079 (2021). https://doi.org/10.3103/S1062873821100063

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  • DOI: https://doi.org/10.3103/S1062873821100063

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