A measurement of the differential cross section for J/psi resonance and the non-prompt to prompt J/psi cross section ratio in pp collisions at sqrt(s)
|Date/Time:||Wednesday, 04 May 2011 from 4:10 pm to 5:10 pm|
|Location:||: A401, Zaffarano Hall|
|Channel:||High Energy Physics|
The inclusive production of the J/psi resonance is studied with the ATLAS detector in LHC proton-proton collisions at sqrt(s) = 7 TeV using the J/psi decay mode to two muons. Two physics measurements are presented using the first few inverse pb of data: the double-differential production cross section with respect to the transverse momentum and rapidity of the J/psi, and the ratio of J/psi mesons produced from b-hadron decays to the J/psi produced promptly with respect to the J/psi transverse momentum.