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Internal bremsstrahlung of strongly interacting charged particles

  • Nuclei
  • Theory
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Abstract

A universal theoretical model intended for calculating internal-bremsstrahlung spectra is proposed. In this model, which can be applied to describing nuclear decays of various type (such as alpha decay, cluster decay, and proton emission), use is made of realistic nucleus–nucleus potentials. Theoretical internal-bremsstrahlung spectra were obtained for the alpha decay of the 214Po nucleus, as well as for the decay of the 222Ra nucleus via the emission of a 14C cluster and for the decay of the 113Cs nucleus via proton emission, and the properties of these spectra were studied. The contributions of various regions (internal, subbarrier, and external) to the internal-bremsstrahlung amplitude were analyzed in detail. It is shown that the contribution of the internal region to the amplitude for internal bremsstrahlung generated in nuclear decay via proton emission is quite large, but that this is not so for alpha decay and decay via cluster emission. Thus, a process in which strong interaction of nuclear particles affects the internal-bremsstrahlung spectrum if found.

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Authors and Affiliations

  1. Voronezh State University, Universitetskaya pl. 1, Voronezh, 394036, Russia

    S. D. Kurgalin & T. A. Churakova

  2. Skobeltsyn Institute of Nuclear Physics, Moscow State University, Moscow, 119991, Russia

    Yu. M. Tchuvil’sky

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  1. S. D. Kurgalin
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  2. Yu. M. Tchuvil’sky
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  3. T. A. Churakova
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Correspondence to Yu. M. Tchuvil’sky.

Additional information

Original Russian Text © S.D. Kurgalin, Yu.M. Tchuvil’sky, T.A. Churakova, 2016, published in Yadernaya Fizika, 2016, Vol. 79, No. 6, pp. 635–642.

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Kurgalin, S.D., Tchuvil’sky, Y.M. & Churakova, T.A. Internal bremsstrahlung of strongly interacting charged particles. Phys. Atom. Nuclei 79, 943–950 (2016). https://doi.org/10.1134/S1063778816060144

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