Measurement of 9Be(d, xt) reaction total cross sections by secondary activation and spectroscopy methods

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Abstract

Total cross sections sd, xt of reaction 9Be(d, xt) were measured in the range of deuteron energies 1.5—12 МeV with error 8.3 % using activation reaction 9Be + t → a + 8Li + 2.927 МeV (T1/2 = 0.84 s, Ebмах = 13 МeV) by B. Ya. Guzhovskii’s method on electrostatic tandem accelerator EGP-10 (RFNC—VNIIEF). In 1 mm thick beryllium layer primary target and convertor functions were combined which was possible provided that the layer thickness was more than a sum of primary deuterons and secondary tritons paths. Justification of the method is presented. The absence of reliable data of mean energy of tritons produced in the reaction under investigation was the main problem in the activation cross sections acquisition. Obtaining of this value by measured tritons energy spectra was demonstrated. Spectrometric differential cross sections were obtained at the first time as well as total reaction cross sections. There is a good agreement between activation and spectrometric total cross sections.

About the authors

L. N. Generalov

Russian Federal Nuclear Center — All-Russian Research Institute of Experimental Physics

Author for correspondence.
Email: otd4@expd.vniief.ru
Russian Federation, Sarov, 607188

I. А. Кarpov

Russian Federal Nuclear Center — All-Russian Research Institute of Experimental Physics

Email: otd4@expd.vniief.ru
Russian Federation, Sarov, 607188

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