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Production of $${\Sigma (1385)^{\pm }}$$ Σ ( 1385 ) ± and $${\Xi (1530)^{0}}$$ Ξ ( 1530 ) 0 in p–Pb collisions at $${\sqrt{s_{\mathrm{NN}}}= 5.02}$$ s NN = 5.02 TeV
- Source :
- The European Physical Journal C. 77
- Publication Year :
- 2017
- Publisher :
- Springer Science and Business Media LLC, 2017.
-
Abstract
- The transverse momentum distributions of the strange and double-strange hyperon resonances ([Formula: see text], [Formula: see text]) produced in p-Pb collisions at [Formula: see text] TeV were measured in the rapidity range [Formula: see text] for event classes corresponding to different charged-particle multiplicity densities, [Formula: see text]d[Formula: see text]/d[Formula: see text]. The mean transverse momentum values are presented as a function of [Formula: see text]d[Formula: see text]/d[Formula: see text], 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 [Formula: see text]d[Formula: see text]/d[Formula: see text]. The equivalent ratios to pions exhibit an increase with [Formula: see text]d[Formula: see text]/d[Formula: see text], depending on their strangeness content.
- Subjects :
- Physics
Particle physics
Physics and Astronomy (miscellaneous)
010308 nuclear & particles physics
Computer Science::Information Retrieval
Hadron
Astrophysics::Instrumentation and Methods for Astrophysics
Hyperon
Computer Science::Computation and Language (Computational Linguistics and Natural Language and Speech Processing)
Strangeness
01 natural sciences
Pion
Excited state
0103 physical sciences
Transverse momentum
Computer Science::General Literature
Rapidity
Multiplicity (chemistry)
Nuclear Experiment
010306 general physics
Engineering (miscellaneous)
Subjects
Details
- ISSN :
- 14346052 and 14346044
- Volume :
- 77
- Database :
- OpenAIRE
- Journal :
- The European Physical Journal C
- Accession number :
- edsair.doi...........49c47f7498c75acafbcf192d7b616f5c