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Neutron multiplicity at spontaneous fission of 246Fm

  • Regular Article - Experimental Physics
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Abstract

The neutron-deficient isotope 246Fm , produced in the complete fusion reaction

40Ar$ + $208Pb

, was investigated. The main goal of the experiment was to determine the neutron multiplicity at spontaneous fission of this isotope. For experiments aimed at the study of spontaneous fission of transfermium nuclei improvements in the focal plane detector system of recoil separator VASSILISSA have been made. A neutron detector consisting of 54 3He -filled counters has been mounted around the focal-plane detector chamber. From the experimental data the average number of neutrons per spontaneous fission of 246Fm was determined (\( \bar{{\nu}}\) = 3.55±0.5) .

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Authors and Affiliations

  1. Flerov Laboratory of Nuclear Reactions, JINR, 141980, Dubna, Russia

    A. I. Svirikhin, M. L. Chelnokov, V. I. Chepigin, I. N. Izosimov, D. E. Katrasev, O. N. Malyshev, A. G. Popeko, E. A. Sokol & A. V. Yeremin

  2. V.G. Khlopin Radium Institute, 194021, St. Petersburg, Russia

    V. N. Dushin

  3. Institute for Nuclear Research and Nuclear Energy, 1784, Sofia, Bulgaria

    A. Minkova

Authors
  1. A. I. Svirikhin
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  2. V. N. Dushin
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  3. M. L. Chelnokov
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  4. V. I. Chepigin
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  5. I. N. Izosimov
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  6. D. E. Katrasev
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  7. O. N. Malyshev
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  8. A. Minkova
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  9. A. G. Popeko
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  10. E. A. Sokol
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  11. A. V. Yeremin
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Corresponding author

Correspondence to A. I. Svirikhin.

Additional information

Communicated by J. Äystö

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Svirikhin, A.I., Dushin, V.N., Chelnokov, M.L. et al. Neutron multiplicity at spontaneous fission of 246Fm. Eur. Phys. J. A 44, 393–396 (2010). https://doi.org/10.1140/epja/i2010-10968-0

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  • DOI: https://doi.org/10.1140/epja/i2010-10968-0

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