Altas Energias - IFUNAM, 24 Dec 2011 Possibly, the LHC does have good news this year after all: ATLAS believes to have seen the quarkonium state chi_b(3P). http://arx…
LHC Portal, 22 Dec 2011 Observation of a new chi_b state in radiative transitions to Upsilon(1S) and Upsilon(2S) at ATLAS