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Doppler shapes of the γ line in the 9Be(α, nγ)12C reaction in plasma at temperatures T α < 0.6 MeV

  • Proceedings of the International Conference “Nucleus 2010. Methods of Nuclear Physics for Femto- and Nanotechnology” (LX International Conference on Nuclear Spectroscopy and Nuclear Structure)
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Bulletin of the Russian Academy of Sciences: Physics Aims and scope

Abstract

A parametrization of the partial cross section of the 9Be(α, nγ)12C reaction in the α-particle energy range of 0.3–7.9 MeV is presented, along with the count rates of γ quanta. The need to consider subbarrier (Eα < 1.9 MeV) α-particles in plasma for temperatures T α < 0.2 MeV is substantiated. The shapes of the Doppler-broadened 4.44 MeV γ line and the count rates of γ quanta in the plasma of the JET tokamak are measured for the first time and compared to the calculated values. An estimated T α ≲ 160 keV is obtained.

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References

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Authors and Affiliations

  1. Ioffe Physical-Technical Institute, Russian Academy of Sciences, St. Petersburg, 194021, Russia

    D. B. Gin, A. A. Pasternak, I. N. Chugunov & A. E. Shevelev

  2. EURATOM/CCFE Fusion Association, Abington, Oxfordshire, UK

    V. G. Kiptily

  3. EURATOM-ENEA-CNR Association, CNR-IFP and Univ. de Milano Bicocca, Milan, Italy

    G. Gorini, M. Tardocchi & M. Nocente

Authors
  1. D. B. Gin
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  2. V. G. Kiptily
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  3. A. A. Pasternak
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  4. I. N. Chugunov
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  5. A. E. Shevelev
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  6. G. Gorini
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  7. M. Tardocchi
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  8. M. Nocente
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JET-EFDA contributors

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Correspondence to D. B. Gin.

Additional information

Original Russian Text © D.B. Gin, V.G. Kiptily, A.A. Pasternak, I.N. Chugunov, A.E. Shevelev, G. Gorini, M. Tardocchi, M. Nocente, JET-EFDA contributors, 2011, published in Izvestiya Rossiiskoi Akademii Nauk. Seriya Fizicheskaya, 2011, Vol. 75, No. 7, pp. 987–992.

See the appendix of Romanelli F. et al., Proc. 22nd IAEA Fusion Energy Conference, Geneva, Switzerland, 2003

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Gin, D.B., Kiptily, V.G., Pasternak, A.A. et al. Doppler shapes of the γ line in the 9Be(α, nγ)12C reaction in plasma at temperatures T α < 0.6 MeV. Bull. Russ. Acad. Sci. Phys. 75, 931–936 (2011). https://doi.org/10.3103/S1062873811070161

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  • DOI: https://doi.org/10.3103/S1062873811070161

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