Measurement of the inclusive $\phi$ cross-section in $pp$ collisions at $\sqrt{s}=$ 7 TeV - INSPIRE

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Measurement of the inclusive $\phi$ cross-section in $pp$ collisions at $\sqrt{s}=$ 7 TeV

LHCb

Collaboration

Jul, 2011

7 pages

Published in:

Phys.Lett.B 703 (2011) 267-273

Published: Jul 16, 2013

e-Print:

1107.3935 [hep-ex]

DOI:

10.1016/j.physletb.2011.08.017

Report number:

LHCB-PAPER-2011-007,
CERN-PH-EP-2011-106

Experiments:

CERN-LHC-LHCb

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Abstract:

The cross-section for inclusive phi meson production in pp collisions at a centre-of-mass energy of sqrt(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 phi transverse momentum p_T and rapidity y in the region 0.6 < p_T < 5.0 GeV/c and 2.44 < y < 4.06. The cross-section for inclusive phi production in this kinematic range is sigma(pp -> phi X) = 1758 pm 19(stat) ^{+43}_{-14}(syst) pm 182(scale) microbarn, where the first systematic uncertainty depends on the p_T and y region and the second is related to the overall scale. Predictions based on the Pythia 6.4 generator underestimate the cross-section.

Phi(1020): inclusive production
differential cross section: measured
PYTHIA
CERN LHC Coll
LHC-B
p p: inclusive reaction
channel cross section: measured
transverse momentum dependence
rapidity dependence
mass spectrum: (K+ K-)

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