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- Title
THERMAL MODEL INTERPRETATION OF PARTICLE PRODUCTION IN pp INTERACTIONS AROUND s<sup>1/2</sup> ≈ 10 GeV.
- Authors
Matulewicz, Tomasz; Piasecki, Krzysztof
- Abstract
The statistical hadronization model ThermalFist was applied to numerous hadron yields measured in p+p collisions at √s = 8.8, 12.3, and 17.3 GeV, including recently published yields of ф and K0S-mesons, measured by the NA61/SHINE Collaboration. We consistently used the energydependent widths of Breit--Wigner mass distributions of hadronic resonances. The canonical treatment of particles with open strangeness combined with the grand canonical approach for non-strange particles gave a moderately reasonable agreement with the measured yields, quantified by χ2/NDF ≈ 2-7, only when the volume of strange particles was allowed to vary freely. This volume is found to be greater than the one for non-strange matter for all the studied energies. The predicted yields of some of not yet measured particles are provided.
- Subjects
STRANGE particles; WIGNER distribution; STATISTICAL models; HADRONS
- Publication
Acta Physica Polonica B, 2023, Vol 54, Issue 12, p1
- ISSN
0587-4254
- Publication type
Article
- DOI
10.5506/APhysPolB.54.12-A1