The radiative width of the Hoyle state from $\gamma$-ray spectroscopy

T. Kibédi, B. Alshahrani, A. E. Stuchbery +17

The cascading 3.21 MeV and 4.44 MeV electric quadrupole transitions have been observed from the Hoyle state at 7.65 MeV excitation energy in ${}^{12}$C, excited by the ${}^{12}$C(p,p$^…