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Phenomenological interpolation of the inclusive J/psi cross section to proton-proton collisions at 2.76 TeV and 5.5 TeV

Abstract : We present a study of the inclusive J/psi cross section at 2.76 TeV and 5.5 TeV. The energy dependence of the cross section, rapidity and transverse momentum distributions are evaluated phenomenologically. Their knowledge is crucial as a reference for the interpretation of A-A and p-A J/psi results at the LHC. Our approach is the following: first, we estimate the energy evolution of the pt-integrated J/psi cross section at mid-rapidity; then, we evaluate the rapidity dependence; finally, we study the transverse momentum distribution trend. Whenever possible, both theory driven (based on pQCD predictions) and functional form (data driven fits) calculations are discussed. Our predictions are compared with the recently obtained results by the ALICE collaboration in pp collisions at 2.76 TeV.
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http://hal.in2p3.fr/in2p3-00683553
Contributor : Dominique Girod <>
Submitted on : Thursday, March 29, 2012 - 10:40:05 AM
Last modification on : Friday, June 5, 2020 - 10:52:15 AM

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  • HAL Id : in2p3-00683553, version 1
  • ARXIV : 1103.2394

Citation

F. Bossu, Z. Conesa del Valle, A. de Falco, M. Gagliardi, S. Grigoryan, et al.. Phenomenological interpolation of the inclusive J/psi cross section to proton-proton collisions at 2.76 TeV and 5.5 TeV. 2012. ⟨in2p3-00683553⟩

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