Understanding the properties of the fireball with the polarization signature of thermal dileptons Florian Seck, Bengt Friman, Tetyana Galatyuk, Hendrik van Hees, Enrico Speranza, Ralf Rapp and Jochen Wambach EPJ Web Conf., 296 (2024) 07009 Published online: 26 June 2024 DOI: 10.1051/epjconf/202429607009