Chatrchyan, S; Khachatryan, V; Sirunyan, AM; Tumasyan, A; Adam, W; Bergauer, T; Dragicevic, M; ... CMS Collaboration, The; + view all (2012) Search for a light pseudoscalar Higgs boson in the dimuon decay channel in pp collisions at √s = 7 TeV. Physical Review Letters , 109 (12) , Article 121801. 10.1103/PhysRevLett.109.121801. Green open access