It is shown that the position and width of resonant levels, as deduced from experimental spectra, are dependent upon their structure. The corresponding corrections to get true positions and widths may be considerable for light nuclei.

NUCLEAR REACTIONS Phase space model; resonances; level parameters and breakup; continuous spectra; application to the $A=6\mathrm{}$ isomultiplet.

• Received 8 November 1982

DOI:https://doi.org/10.1103/PhysRevC.27.1897