Signatures of the $d^*(2380)$ hexaquark in d($γ$,$p\vec{n}$)

A2 Collaboration at MAMI, Stuart Fegan, A. Fix, C. Mullen, A. Neganov, A. Neiser, M. Ostrick, P. B. Otte, D. Paudyal, P. Pedroni, A Powell, S. N. Prakhov, G. Ron, A Sarty, C. Sfienti, V. Sokhoyan, K. Spieker, O Steffen, I.I. Strakovsky, T. StrubI Supek, A. Thiel, M Thiel, A. Thomas, Yu A. Usov, S Wagner, N.K. Walford, Dominik Werthmüller, J. Wettig, M. Wolfes, Nick Zachariou, L A Zana