Production of Σ (1385) ± and Ξ (1530) 0 in p–Pb collisions at √sNN=5.02 TeV
Adamová, D.; Aggarwal, M. M.; Aglieri Rinella, G.; Agnello, M.; Agrawal, N.; Ahammed, Z.; Ahmad, S.; Bedda, C.; Bertens, R. A.; Bianchin, C.; Caffarri, D.; Caliva, A.; Chojnacki, M.; Christakoglou, P.; Chujo, T.; Dobrin, A.; Dubla, A.; Fabbietti, L.; Grelli, A.; Keijdener, D. L.D.; Kofarago, M.; Krzewicki, M.; Kuijer, P. G.; La Pointe, S. L.; Lehas, F.; Leogrande, E.; Lodato, D. F.; Luparello, G.; Margutti, J.; Mischke, A.; Mohammadi, N.; Muhuri, S.; Nooren, G.; Oliveira Da Silva, A. C.; Peitzmann, T.; Poljak, N.; Rajput, S.; Richert, T.; Sas, M. H.P.; Simatovic, G.; Snellings, R. J.M.; Thomas, D.; Trzeciak, B. A.; Van Der Maarel, J.; van Leeuwen, M.; Veen, A. M.; Vigolo, S.; Wang, H.; Zhang, C.; Zhou, Y.; ALICE Collaboration
(2017) European Physical Journal C, volume 77, issue 6
(Article)
Abstract
The transverse momentum distributions of the strange and double-strange hyperon resonances (Σ (1385) ±, Ξ (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 momentum
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values 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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Author keywords: Engineering (miscellaneous), Physics and Astronomy (miscellaneous)
DOI:
ISSN: 1434-6044
(Peer reviewed)
