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K[subscript s] [superscript 0] and Λ production in pp interactions at √s=0.9 and 7 TeV measured with the ATLAS detector at the LHC

Author(s)
Taylor, Frank E.
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Abstract
The production of K[subscript S] [superscript 0] 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 Λ̅ 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 K[subscript S] [superscript 0]distributions, substantial disagreements are found in the Λ distributions of transverse momentum.
Date issued
2012-01
URI
http://hdl.handle.net/1721.1/72096
Department
Massachusetts Institute of Technology. Department of Physics
Journal
Physical Review D
Publisher
American Physical Society
Citation
Aad, G. et al. “K[subscript s] [superscript 0] and Λ production in pp interactions at √s=0.9 and 7 TeV measured with the ATLAS detector at the LHC.” Physical Review D 85.1 (2012). © 2012 CERN, for the ATLAS Collaboration
Version: Final published version
ISSN
1550-7998
1089-4918

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