Scientific article
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Ks0 and Λ production in pp interactions at √s=0.9 and 7 TeV measured with the ATLAS detector at the LHC

ContributorsATLAS Collaboration
Publication date2012

The production of K0S and Λ hadrons is studied in pp collision data at √s=0.9 and 7 TeV collected with the ATLAS detector at the LHC using a minimum-bias trigger. The observed distributions of transverse momentum, rapidity, and multiplicity are corrected to hadron level in a model-independent way within well-defined phase-space regions. The distribution of the production ratio of Λ to Λ baryons is also measured. The results are compared with various Monte Carlo simulation models. Although most of these models agree with data to within 15% in the K0S distributions, substantial disagreements are found in the Λ distributions of transverse momentum.

Citation (ISO format)
ATLAS Collaboration. K<sub>s</sub><sup>0</sup> and Λ production in <em>pp</em> interactions at √s=0.9 and 7 TeV measured with the ATLAS detector at the LHC. In: Physical review. D. Particles, fields, gravitation, and cosmology, 2012, vol. 85, n° 01, p. 012001. doi: 10.1103/PhysRevD.85.012001
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Article (Published version)
ISSN of the journal1550-2368

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