Differential cross sections at low energies for<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:mmultiscripts><mml:mrow><mml:mi mathvariant="normal">H</mml:mi></mml:mrow><mml:mprescripts/><mml:mrow/><mml:mrow><mml:mn>2</mml:mn></mml:mrow><mml:mrow/><mml:mrow/></mml:mmultiscripts></mml:mrow></mml:math>(<i>d</i>,<i>p</i><mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:msup><mml:mrow><mml:mo>)</mml:mo></mml:mrow><mml:mrow><mml:mn>3</mml:mn></mml:mrow></mml:msup></mml:mrow></mml:math>H and<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:mmultiscripts><mml:mrow><mml:mi mathvariant="normal">H</mml:mi></mml:mrow><mml:mprescripts/><mml:mrow/><mml:mrow><mml:mn>2</mml:mn></mml:mrow><mml:mrow/><mml:mrow/></mml:mmultiscripts></mml:mrow></mml:math>(<i>d</i>,<i>n</i><mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:msup><mml:mrow><mml:mo>)</mml:mo></mml:mrow><mml:mrow><mml:mn>3</mml:mn></mml:mrow></mml:msup></mml:mrow></mml:math>He
Ronald E. BrownLos Alamos National Laboratory, Los Alamos, New Mexico 87545Nelson JarmieLos Alamos National Laboratory, Los Alamos, New Mexico 87545
1990lv
ABI
Аннотация
We have measured differential cross sections for the $^{2}\mathrm{H}$(d,p${)}^{3}$H and $^{2}\mathrm{H}$(d,n${)}^{3}$He reactions at 11 deuteron bombarding energies from 20 to 117 keV. The differential data are accurate to 2.0% (relative) over most of the energy range, with an additional scale error of 1.3%. Integrated cross sections are derived with total errors generally about 1.5%. The results are compared with other measurements and with an existing R-matrix analysis. We find a larger D-wave reaction amplitude than previously reported. Formulas for the cross sections and reactivities are given.
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