Almost medium-free measurement of the Hoyle state direct-decay component with a TPC

J. Bishop, G. V. Rogachev, S. Ahn +14

Background: The structure of the Hoyle state, a highly $\alpha$-clustered state at 7.65 MeV in ${}^{12}\mathrm{C}$, has long been the subject of debate. Understanding if the system compri…