Astrophysical S factor for dd interaction at ultralow energies

Vit M. Bystritskiǐ, V. M. Bystritsky, S. A. Chaikovsky, M. Filipowicz, V. M. Grebenyuk, E. Guła, V. I. Makhrin, G. A. Mesyats, S. S. Parzhitski, F. M. Pen'kov, N. A. Ratakhin, V. A. Sinebryukhov, S. A. Sorokin, V. A. Stolupin, E. N. Volkov, J. Woźniak

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Experimental results are presented that were obtained by measuring the astrophysical S factor for dd interaction at very low deuteron collision energies by using the liner-plasma technique. The experiment was performed at the high-current generator of the High-Current Electronics Institute (Tomsk, Russia). The values found for the S factor at the deuteron collision energies of 1.80, 2.06, and 2.27 keV are Sdd = 114 ± 68, 64 ± 30, and 53 ± 16 keV b, respectively. The corresponding dd cross sections obtained as the product of the barrier factor and the measured astrophysical S factor are σndd(Ecol = 1.80 keV) = (4.3 ± 2.6) × 10-33cm2, σndd(Ecol = 2.06 keV) = (9.8 ± 4.6) × 10-33cm2, and σndd(Ecol = 2.27 keV) = (2.1 ± 0.6) × 10-32cm2.

Original languageEnglish
Pages (from-to)855-860
Number of pages6
JournalPhysics of Atomic Nuclei
Issue number5
Publication statusPublished - 1 May 2001
Externally publishedYes

ASJC Scopus subject areas

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

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