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Prompt Jpsi and b->Jpsi X production in pp collisions

Abstract : The LHCb measurement of the J/ψ production cross-section is presented. The double differential cross-section is measured as a function of the J/ψ transverse momentum pT and of the J/ψ rapidity y in the fiducial region pT∈[0;14],GeV/c and y∈[2.0;4.5]. The analysis is based on a sample of 5.2 pb−1 collected in September 2010 at the pp Large Hadron Collider at CERN, at a centre-of-mass energy of s = 7TeV. The contributions from prompt J/ψ and J/ψ from b are separated using the J/ψ pseudo-proper time.
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Submitted on : Thursday, April 7, 2011 - 11:18:08 AM
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LHCb-PROC-2011-017.pdf
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  • HAL Id : in2p3-00579422, version 1

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P. Robbe. Prompt Jpsi and b->Jpsi X production in pp collisions. Workshop on Discovery Physics at the LHC, Dec 2010, Mpumalanga, South Africa. pp.1-6. ⟨in2p3-00579422⟩

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