We have calculated the expected width for ${}^{12}\mathrm{O}$ sequential decay through a broad ${}^{11}\mathrm{N}\mathrm{}(\mathrm{g}.\mathrm{s}.\mathrm{})\mathrm{}$ to ${}^{10}\mathrm{C}\mathrm{}(\mathrm{g}.\mathrm{s}.\mathrm{})\mathrm{}$ and for simultaneous ${(}^2\mathrm{He})$ decay by convoluting $2p$ decay widths with the $\mathrm{pp}$ relative energy. Both widths are found to be about 60 keV.

• Received 25 June 2003

DOI:https://doi.org/10.1103/PhysRevC.68.034309