Broadening of the chiral critical region in a hydrodynamically expanding medium Christoph Herold, Marcus Bleicher, Marlene Nahrgang, Jan Steinheimer, Ayut Limphirat, Chinorat Kobdaj and Yupeng Yan Eur. Phys. J. A, 54 2 (2018) 19 Published online: 19 February 2018 DOI: 10.1140/epja/i2018-12438-1