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Neutron yield of the reactions Li6(t,n) and Li7(t,n)

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A Correction to this article was published on 01 April 2018

Abstract

The differential cross section is determined for the formation of neutrons at an angle of 0 ° in the reactions Li6(t,n) and Li7(t, n) in the 0.175–2.4 Mev triton energy range. In the reaction Li6(t,n) resonance in the neutron yield is observed at Et = 1.875 Mev, corresponding to a Be9 excitation level of 18.936 Mev.

Two resonances are detected in the neutron yield of the reaction Li7(t, n): at Et = 0.765 Mev and Et = 1.735 Mev, which indicates the presence of Be10 nucleus excitation levels of 17.78 and 18.46 Mev, respectively. The cross section of the reaction Li6(t, n) in resonance is dσ/dΩ(0 °)res = 37.2 mb/sr; for the reaction Li7 (t, n) the cross section at the first resonance is dσ/dΩ(0 °)res = 95 mb/sr; at the second resonance dσ/dΩ(0 °)res = 159 mb/sr.

The angular distributions of neutrons are given for the interval of angles 0–135 ° (every 15 °) for triton energies of 0.358, 0.559, 1.006, 1.218, 1.370, 1.572, 2.123 Mev.

The total cross section for the formation of neutrons at Et = 2.123 Mev in the reaction Li6 (t,n) is equal to 324±32.3 mb in the reaction Li7 (t, n) to 1332±83.3 mb.

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Authors
  1. A. K. Val'mer
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  2. P. I. Vatset
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  3. L. Ya. Kolesnikov
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  4. S. G. Tonapetyan
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  5. K. K. Chernyavskii
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  6. A. I. Shpetnyi
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Val'mer, A.K., Vatset, P.I., Kolesnikov, L.Y. et al. Neutron yield of the reactions Li6(t,n) and Li7(t,n). The Soviet Journal of Atomic Energy 10, 574–582 (1962). https://doi.org/10.1007/BF01591264

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  • DOI: https://doi.org/10.1007/BF01591264

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