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Study of the187W states excited in the (n, γ) reaction

  • Neuclear Structure and Reactions
  • Published:
Zeitschrift für Physik A Hadrons and Nuclei

Abstract

A singlesγ-ray spectrum and a spectrum of summed amplitudes of coinciding pulses (SACP) were measured in the186W(n, γ)187W reaction experiment on the thermal neutron beam. It was for the first time that the data on187Wγ-transitions were obtained in the excitation energy region from 1500–2500 keV. The neutron binding energy was determined to beB n=5467.25 (4) keV (statistical error only). In result the level scheme of187W was developed in the excitation energy interval 1<E f < 3.4 MeV, which contained 105 levels with about 70 of them being identified for the first time. The experimental values for summed intensities of two-step cascades were established to exceed those predicted by the modern statistical theory (by 36±6%). This is explained by a considerable contribution of few-quasiparticle components to wave functions of compound and intermediate states.

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Authors and Affiliations

  1. Latvien Academy of Sciences, Physics Institute, 229021, Riga, USSR

    M. R. Beitins, P. T. Prokofjev & L. I. Simonova

  2. Laboratory of Neutron Physics, Joint Institute for Nuclear Research, 141980, Dubna, USSR

    S. T. Boneva, V. A. Khitrov, A. M. Sukhovoj & E. V. Vasilieva

  3. Laboratory of Theoretical Physics, Joint Institute for Nuclear Research, 141980, Dubna, USSR

    L. A. Malov & Yu. P. Popov

  4. Latvian University, 229021, Riga, USSR

    G. L. Rezvaya

Authors
  1. M. R. Beitins
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  2. S. T. Boneva
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  3. V. A. Khitrov
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  4. L. A. Malov
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  5. Yu. P. Popov
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  6. P. T. Prokofjev
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  7. G. L. Rezvaya
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  8. L. I. Simonova
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  9. A. M. Sukhovoj
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  10. E. V. Vasilieva
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Beitins, M.R., Boneva, S.T., Khitrov, V.A. et al. Study of the187W states excited in the (n, γ) reaction. Z. Physik A - Hadrons and Nuclei 341, 155–170 (1992). https://doi.org/10.1007/BF01298475

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  • DOI: https://doi.org/10.1007/BF01298475

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