Comment on "Observation of a New chi_b State in Radiative Transitions to   Upsilon_1S and Upsilon_2S at ATLAS"
  We comment on the recent observation of chi_b states by the ATLAS Collaboration and contest their peremptory interpretation of the highest of the three observed structures as the chi_b(3P) system. Moreover, we do not agree that from their data the mass barycenter of the chi_b(3P) system can be determined. 
Eef van Beveren and George Rupp
hep-ph hep-ex