Strange particle production in proton–proton collisions at √s=0.9 TeV with ALICE at the LHC
The production of mesons containing strange quarks (K0S, φ) and both singly and doubly strange baryons (Λ, Λ¯¯¯¯, and Ξ−+Ξ¯¯¯¯+) are measured at mid-rapidity in pp collisions at s√ = 0.9 TeV with the ALICE experiment at the LHC. The results are obtained from the analysis of about 250 k minimum bias...
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| Hauptverfasser: | , , , , , , , , , , , , , , , , , |
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| Dokumenttyp: | Article (Journal) |
| Sprache: | Englisch |
| Veröffentlicht: |
30 March 2011
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| In: |
The European physical journal. C, Particles and fields
Year: 2011, Jahrgang: 71, Heft: 3, Pages: 1-24 |
| ISSN: | 1434-6052 |
| DOI: | 10.1140/epjc/s10052-011-1594-5 |
| Online-Zugang: | Verlag, lizenzpflichtig, Volltext: https://doi.org/10.1140/epjc/s10052-011-1594-5
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| Verfasserangaben: | The ALICE Collaboration* |
MARC
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| 245 | 1 | 0 | |a Strange particle production in proton–proton collisions at √s=0.9 TeV with ALICE at the LHC |c The ALICE Collaboration* |
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| 246 | 3 | 3 | |a Strange particle production in proton–proton collisions at square root s=0.9 TeV with ALICE at the LHC |
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| 500 | |a *The ALICE Collaboration: K. Aamodt, V. Anguelov, O. Busch, P. Glässel, R. Grajcarek, N. Herrmann, J. Klein, D. Lohner, X.G. Lu, J. Mercado Perez, K. Oyama, Y. Pachmayer, K. Reygers, R. Schicker, J. Stachel, S. Vallero, B. Windelband [und sehr viele weitere Personen] | ||
| 500 | |a Im Titel steht der Buchstabe s unter dem Wurzelsymbol | ||
| 500 | |a Gesehen am 17.02.2022 | ||
| 520 | |a The production of mesons containing strange quarks (K0S, φ) and both singly and doubly strange baryons (Λ, Λ¯¯¯¯, and Ξ−+Ξ¯¯¯¯+) are measured at mid-rapidity in pp collisions at s√ = 0.9 TeV with the ALICE experiment at the LHC. The results are obtained from the analysis of about 250 k minimum bias events recorded in 2009. Measurements of yields (dN/dy) and transverse momentum spectra at mid-rapidity for inelastic pp collisions are presented. For mesons, we report yields (〈dN/dy〉) of 0.184±0.002(stat.)±0.006(syst.) for K0S and 0.021±0.004(stat.)±0.003(syst.) for φ. For baryons, we find 〈dN/dy〉=0.048±0.001(stat.)±0.004(syst.) for Λ, 0.047±0.002(stat.)±0.005(syst.) for Λ¯¯¯¯ and 0.0101±0.0020(stat.)±0.0009(syst.) for Ξ−+Ξ¯¯¯¯+. The results are also compared with predictions for identified particle spectra from QCD-inspired models and provide a baseline for comparisons with both future pp measurements at higher energies and heavy-ion collisions. | ||
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