Study of the structure of the Hoyle state by refractive α-scattering S.A. Goncharov, A.S. Demyanova, Yu.A. Gloukhov, A.N. Danilov, A.A. Ogloblin, T.L. Belyaeva, Yu.G. Sobolev, W. Trzaska, G.P. Tuyrin and S.V. Khlebnikov EPJ Web of Conferences, 66 (2014) 03034 Published online: 20 March 2014 DOI: 10.1051/epjconf/20146603034