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Measurements and evaluation of the cross-section for helium elastic scattering from nitrogen Measurements and evaluation of the cross-section for helium elastic scattering from nitrogen

The cross-sections for the elastic scattering of alphas from natural nitrogen were measured at three laboratory scattering angles: 118°, 150° and 165° at non-Rutherford scattering energies from 2.5 to 4.0 MeV. Experimental data obtained in this work, together with all previously published data, were used for the cross-section evaluation. Model calculations with comparison and fitting to the experimental data were used for the evaluation of the cross-section. As a result of the work, the recommended cross-sections for scattering of alphas from nitrogen have been produced in the energy region of 1.6–4.6 MeV.

alpha elastic scattering ; nitrogen ; cross-section ; evaluation

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