Production of Σ(1385)± and Ξ(1530)0 in p–Pb collisions at √sNN=5.02 TeV
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ISSN: 1434-6044
E-ISSN: 1434-6052
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Abstract
The transverse momentum distributions of the strange and double-strange hyperon resonances ( (1385) ±,(1530)0) produced in p–Pb collisions at √sNN = 5.02 TeV were measured in the rapidity range −0.5 < yCMS < 0 for event classes corresponding to different charged-particle multiplicity densities, dNch/dηlab . The mean transverse momentumvalues are presented as a function of dNch/dηlab , as well as a function of the particle masses and compared with previous results on hyperon production. The integrated yield ratios of excited to ground-state hyperons are constant as a function of dNch/dηlab . The equivalent ratios to pions exhibit an increase with dNch/dηlab , depending on their strangeness content.
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Adamová, D., Aggarwal, M.M., Aglieri Rinella, G. et al. Production of Σ(1385)± and Ξ(1530)0 in p–Pb collisions at Adamová, D., Aggarwal, M.M., Aglieri Rinella, G. et al. Production of Σ(1385)± and Ξ(1530)0 in p–Pb collisions at √sNN=5.02 TeV. Eur. Phys. J. C 77, 389 (2017). https://doi.org/10.1140/epjc/s10052-017-4943-1sNN−−−√=5.02 TeV. Eur. Phys. J. C 77, 389 (2017). https://doi.org/10.1140/epjc/s10052-017-4943-1
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© CERN for the benefit of the ALICE collaboration 2017. This article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made.