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<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:msup><mml:mrow /><mml:mrow><mml:mn>4</mml:mn></mml:mrow></mml:msup></mml:mrow><mml:mi mathvariant="normal">He</mml:mi></mml:math>decay of excited states in<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:msup><mml:mrow /><mml:mrow><mml:mn>14</mml:mn></mml:mrow></mml:msup></mml:mrow><mml:mi mathvariant="normal">C</mml:mi></mml:math>
A study of the ${}^{7}\mathrm{Li}{(}^{9}\mathrm{Be}{,}^{4}{\mathrm{He}}^{10}\mathrm{Be}{)}^{2}\mathrm{H}$ reaction at ${E}_{\mathrm{beam}}=70\mathrm{MeV}$ has been performed using resonant particle spectroscopy techniques and provides the first measurements of \ensuremath{\alpha}-decaying states in ${}^{14}\mathrm{C}.$ Excited states are observed at 14.7, 15.5, 16.4, 18.5, 19.8, 20.6, 21.4, 22.4, and 24.0 MeV. The experimental technique was able to resolve decays …