Report/Journal Article PHPPUBDB-20872

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Strange particle production in pp collisions at $\sqrt{s}\ =$ 0.9 and 7 TeV

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2011
Springer Berlin

Journal of high energy physics 2011(5), 064 () [10.1007/JHEP05(2011)064]
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Report No.: CERN-PH-EP-2010-094; CMS-QCD-10-007; arXiv:1102.4282

Abstract: The spectra of strange hadrons are measured in proton-proton collisions, recorded by the CMS experiment at the CERN LHC, at centre-of-mass energies of 0.9 and 7 TeV. The K^0_s, Lambda, and Xi^- particles and their antiparticles are reconstructed from their decay topologies and the production rates are measured as functions of rapidity and transverse momentum. The results are compared to other experiments and to predictions of the PYTHIA Monte Carlo program. The transverse momentum distributions are found to differ substantially from the PYTHIA results and the production rates exceed the predictions by up to a factor of three.

Keyword(s): strange particle: hadroproduction ; strange particle: hadronic decay ; K0(S) ; Lambda ; Xi- ; differential cross section: measured ; transverse momentum: momentum spectrum ; PYTHIA ; CERN LHC Coll ; CMS ; p p: interaction ; experimental results ; strange particle: multiplicity ; rapidity dependence ; energy dependence ; 900: 7000 GeV-cms

Classification:

Contributing Institute(s):
  1. LHC/CMS Experiment (CMS)
Research Program(s):
  1. Experiments at LHC (CMS) (POF2-512) (POF2-512)
Experiment(s):
  1. LHC: CMS

Appears in the scientific report 2011
Notes: (c) CERN, for the benefi t of the CMS Collaboration
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Strange Particle Production in pp Collissions at $\sqrt{s}$=0.9 and 7 TeV
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 Record created 2012-09-19, last modified 2025-07-30


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