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Isotope and Velocity Distributions in Projectile Fragmentation Reactions at Fermi Energies

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

Abstract

Analyses are presented of isotope and velocity distributions of light fragments obtained in the projectile fragmentation reactions of 18O at 35 A MeV on 9Be and 181Ta targets measured at magnetic COMBAS mass-separator at the U400M Research Facility in JINR. The velocity distributions are parameterized by a direct breakup contribution at beam velocity plus an additional dissipative contribution at lower velocities. The results of these fits are compared with predictions by transport calculations and empirical fragmentation models.

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ACKNOWLEDGMENTS

The authors thank Prof. I.V. Puzynin for fruitful discussions, Profs. M. Di Toro and H.H. Wolter for providing us with BNV codes, common enlightening discussions and invaluable help in the work.

Funding

E.B. and T. M acknowledge support of their investigations by the Russian Foundation for Basic Research and MECSS, project no. 20-51-44001.

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Authors and Affiliations

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

    B. Erdemchimeg, A. G. Artukh, S. A. Klygin, G. A. Kononenko, Yu. M. Sereda, A. N. Vorontsov & T. I. Mikhailova

  2. National University of Mongolia, Nuclear Research Center, 210646, Ulaanbaatar, Mongolia

    B. Erdemchimeg

Authors
  1. B. Erdemchimeg
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  2. A. G. Artukh
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  3. S. A. Klygin
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  4. G. A. Kononenko
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  5. Yu. M. Sereda
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  6. A. N. Vorontsov
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  7. T. I. Mikhailova
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Corresponding author

Correspondence to B. Erdemchimeg.

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The authors declare that they have no conflicts of interest.

APPENDIX

APPENDIX

In Tables 1 and 2 we compile the results of our two-component fit (see Eq. (4)) for the velocity distributions for the reactions 18O + 9Be (Table 1)) and 18O + 181Ta (Table 2). We list the experimental results up to the charge Z = 9, fluorine.

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Erdemchimeg, B., Artukh, A.G., Klygin, S.A. et al. Isotope and Velocity Distributions in Projectile Fragmentation Reactions at Fermi Energies. Bull. Russ. Acad. Sci. Phys. 85, 1457–1465 (2021). https://doi.org/10.3103/S1062873821120066

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  • DOI: https://doi.org/10.3103/S1062873821120066

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