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Mirror nuclei 3H and 3He binding energies difference and low energy parameters of neutron-neutron scattering

  • Neutron Physics
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Abstract

A relationship between the binding energy difference for the mirror nuclei 3H and 3He and the low energy parameters of neutron-neutron and proton-proton scattering is established. The experimental values for the difference of 3H and 3He binding energies and the low-energy proton-proton scattering parameters are used to obtain the values for the neutron-neutron scattering length a nn = −18.38(55) fm and the effective range r nn = 2.84(4) fm. The calculated neutron-neutron scattering length is in good agreement with one of the two well-known and differing experimental values of this quantity.

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Authors and Affiliations

  1. Bogolyubov Institute for Theoretical Physics, National Academy of Sciences of Ukraine, Kyiv, 03680, Ukraine

    V. A. Babenko & N. M. Petrov

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  1. V. A. Babenko
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  2. N. M. Petrov
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Original Russian Text © V.A. Babenko, N.M. Petrov, 2015, published in Pis’ma v Zhurnal Fizika Elementarnykh Chastits i Atomnogo Yadra, 2015.

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Babenko, V.A., Petrov, N.M. Mirror nuclei 3H and 3He binding energies difference and low energy parameters of neutron-neutron scattering. Phys. Part. Nuclei Lett. 12, 584–590 (2015). https://doi.org/10.1134/S1547477115040068

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