Status June 2016

\author[1]{A.~Belias}

\author[1]{R.~Dzhygadlo}

\author[1]{A.~Gerhardt}

\author[1]{K.~G\"{o}tzen}

\author[1]{G.~Kalicy}

\author[1]{M.~Krebs}

\author[1]{D.~Lehmann}

\author[1]{F.~Nerling}

\author[1]{M.~Patsyuk}

\author[1]{K.~Peters}

\author[1]{G.~Schepers}

\author[1]{L.~Schmitt}

\author[1]{C.~Schwarz}

\author[1]{J.~Schwiening}

\author[1]{M.~Traxler}

\author[1]{M.~Z\"{u}hlsdorf}

\author[2]{A.~Britting}

\author[2]{W.~Eyrich}

\author[2]{A.~Lehmann}

\author[2]{M.~Pfaffinger}

\author[2]{F.~Uhlig}

\author[3]{M.~D\"{u}ren}

\author[3]{E.~Etzelm\"{u}ller}

\author[3]{K.~F\"{o}hl}

\author[3]{A.~Hayrapetyan}

\author[3]{B.~Kr\"{o}ck}

\author[3]{O.~Merle}

\author[3]{J.~Rieke}

\author[3]{M.~Schmidt}

\author[3]{T.~Wasem}

\author[4]{E.~Cowie}

\author[4]{T.~Keri}

\author[5]{P.~Achenbach}

\author[5]{M.~Cardinali}

\author[5]{M.~Hoek}

\author[5]{W.~Lauth}

\author[5]{S.~Schlimme}

\author[5]{C.~Sfienti}

\author[5]{M.~Thiel}

\address[1]{GSI Helmholtzzentrum f\"ur Schwerionenforschung GmbH, Darmstadt, Germany}

\address[2]{Friedrich Alexander-University of Erlangen-Nuremberg, Erlangen, Germany}

\address[3]{II. Physikalisches Institut, Justus Liebig-University of Giessen, Giessen, Germany}

\address[4]{University of Glasgow, Glasgow, United Kingdom}

\address[5]{Institut f\"{u}r Kernphysik, Johannes Gutenberg-University of Mainz, Mainz, Germany}