Measurement of the inelastic pp cross-section at a centre-of-mass energy of = 7 TeV
Abstract
The cross-section for inelastic proton-proton collisions, with at least one prompt long-lived charged particle of transverse momentum p T > 0 .2GeV /c in the pseudorapidity range 2 .0 < η < 4 .5, is measured by the LHCb experiment at a centre-of-mass energy of = 7 TeV. The cross-section in this kinematic range is determined to be σ {inel/acc} = 55 .0 ± 2 .4 mb with an experimental uncertainty that is dominated by systematic contributions. Extrapolation to the full phase space, using P ythia 6, yields σ inel = 66 .9 ± 2 .9 ± 4 .4 mb, where the first uncertainty is experimental and the second is due to the extrapolation. [Figure not available: see fulltext.]
- Publication:
-
Journal of High Energy Physics
- Pub Date:
- February 2015
- DOI:
- 10.1007/JHEP02(2015)129
- arXiv:
- arXiv:1412.2500
- Bibcode:
- 2015JHEP...02..129A
- Keywords:
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- Hadron-Hadron Scattering;
- Global features;
- High Energy Physics - Experiment
- E-Print:
- 15 pages, 2 figures