[Edit: The article has been published in Phys. Rev. D online at Phys. Rev. D 91, 114004, 2015 ] A. Krassnigg submitted a new article to the arXiv; the title of the article is “Masses of $latex J^{PC} =1^{-+}$ exotic quarkonia in a Bethe-Salpeter-equation approach”,...
