====== P3H-19-028: Chiral Condensates in Massless QCD and the $U(1)_A$ boson mass ====== ^P3H-19-028 ^ |Title: Chiral Condensates in Massless QCD and the $U(1)_A$ boson mass | |Type: Paper | |Authors: Thomas Mannel, Alexei A. Pivovarov | |arXiv: [[https://arxiv.org/abs/1908.06797|1908.06797 ]]| |Info: |