Measurement of the inclusive phi cross-section in pp collisions at root s=7 TeV

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doi:10.1016/j.physletb.2011.08.017

The cross-section for inclusive φ meson production in pp collisions at a centre-of-mass energy of √s = 7 TeV has been measured with the LHCb detector at the Large Hadron Collider. The differential cross-section is measured as a function of the φ transverse momentum pT and rapidity y in the region 0.6< pT <5.0 GeV/c and 2.44< y <4.06. The cross-section for inclusive φ production in this kinematic range is σ(pp→φX)=1758±19(stat) +43−14(syst)±182(scale) μb, where the ﬁrst systematic uncertainty depends on the pT and y region and the second is related to the overall scale. Predictions based on the Pythia 6.4 generator underestimate the cross-section.

Aaij, R., Adinolfi, M., Adrover, C., Affolder, A., Ajaltouni, Z., Albrecht, J., et al. (2011). Measurement of the inclusive phi cross-section in pp collisions at root s=7 TeV. PHYSICS LETTERS. SECTION B, 703(3), 267-273 [10.1016/j.physletb.2011.08.017].