Study of the pd reaction at ultralow energies using hydrogen liner plasma

V. M. Bystritsky, Vit M. Bystritskii, G. N. Dudkin, V. V. Gerasimov, A. R. Krylov, G. A. Mesyats, B. A. Nechaev, V. M. Padalko, S. S. Parzhitsky, F. M. Pen'kov, N. A. Ratakhin, J. Wozniak

Research output: Contribution to journalArticlepeer-review

10 Citations (Scopus)


The pd reaction (pd →3 He + γ (5.5 MeV)) is studied in the astrophysical energy collision range of protons with deuterons using the hydrogen liner in the inverse Z-pinch configuration at the pulsed power generator MIG (HCEI, Tomsk). Fundamental characteristics of this and other light-nucleus reactions at ultralow energies are important for problems of basic physics and astrophysics. The knowledge of the energy distribution of the nuclei participating in these reactions is important due to their exponential type of dependence on the collision energy. Two experimental techniques were designed and tested for recovering the energy distribution of liner protons incident on the CD2 target by using optical detectors and ion collectors. It is shown that the combined use of these two techniques could provide relevant information on the energy distribution of the accelerated protons in the liner. The estimates of the upper limits for the astrophysical S factor and effective cross section of the pd reaction in the proton-deuteron collision energy range of 2.7-16.7 keV are obtained: S̄pd(E pd = 10.2 keV) ≤ 2.5 × 10-7 MeV b; σ̃pd(2.7 ≤ Epd ≤ 16.7 keV) ≤ 4 × 10-33 cm2.

Original languageEnglish
Pages (from-to)1777-1786
Number of pages10
JournalPhysics of Atomic Nuclei
Issue number11
Publication statusPublished - 28 Nov 2005

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics
  • Nuclear and High Energy Physics

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