Harabasz, Szymon ; Kołaś, Jędrzej ; Ryblewski, Radoslaw ; Florkowski, Wojciech ; Galatyuk, Tetyana ; Gumberidze, Małgorzata ; Salabura, Piotr ; Stroth, Joachim ; Zbroszczyk, Hanna Paulina (2023)
Spheroidal expansion and freeze-out geometry of heavy-ion collisions in the few-GeV energy regime.
In: Physical Review C, 107 (3)
doi: 10.1103/PhysRevC.107.034917
Artikel, Bibliographie
Kurzbeschreibung (Abstract)
A spheroidal model of the expansion of hadronic matter produced in heavy-ion collisions in the few-GeV energy regime is proposed. It constitutes an extension of the spherically symmetric Siemens-Rasmussen blast-wave model used in our previous works. The spheroidal form of the expansion, combined with a single-freeze-out scenario, allows for a significantly improved description of both the transverse-mass and the rapidity distributions of the produced particles. With the model parameters determined by the hadronic abundances and spectra, we make further predictions of the pion Hanbury-Brown–Twiss correlation radii that turn out to be in a qualitative agreement with the measured ones. The overall successful description of the data supports the concept of spheroidal symmetry of the produced hadronic systems in this energy range.
| Typ des Eintrags: | Artikel |
|---|---|
| Erschienen: | 2023 |
| Autor(en): | Harabasz, Szymon ; Kołaś, Jędrzej ; Ryblewski, Radoslaw ; Florkowski, Wojciech ; Galatyuk, Tetyana ; Gumberidze, Małgorzata ; Salabura, Piotr ; Stroth, Joachim ; Zbroszczyk, Hanna Paulina |
| Art des Eintrags: | Bibliographie |
| Titel: | Spheroidal expansion and freeze-out geometry of heavy-ion collisions in the few-GeV energy regime |
| Sprache: | Englisch |
| Publikationsjahr: | 24 März 2023 |
| Verlag: | APS Physics |
| Titel der Zeitschrift, Zeitung oder Schriftenreihe: | Physical Review C |
| Jahrgang/Volume einer Zeitschrift: | 107 |
| (Heft-)Nummer: | 3 |
| DOI: | 10.1103/PhysRevC.107.034917 |
| Zugehörige Links: | |
| Kurzbeschreibung (Abstract): | A spheroidal model of the expansion of hadronic matter produced in heavy-ion collisions in the few-GeV energy regime is proposed. It constitutes an extension of the spherically symmetric Siemens-Rasmussen blast-wave model used in our previous works. The spheroidal form of the expansion, combined with a single-freeze-out scenario, allows for a significantly improved description of both the transverse-mass and the rapidity distributions of the produced particles. With the model parameters determined by the hadronic abundances and spectra, we make further predictions of the pion Hanbury-Brown–Twiss correlation radii that turn out to be in a qualitative agreement with the measured ones. The overall successful description of the data supports the concept of spheroidal symmetry of the produced hadronic systems in this energy range. |
| Fachbereich(e)/-gebiet(e): | 05 Fachbereich Physik 05 Fachbereich Physik > Institut für Kernphysik 05 Fachbereich Physik > Institut für Kernphysik > Experimentelle Kernphysik 05 Fachbereich Physik > Institut für Kernphysik > Experimentelle Kernphysik > Untersuchung von Quark-Materie mit virtuellen Photonen |
| Hinterlegungsdatum: | 13 Apr 2023 14:44 |
| Letzte Änderung: | 13 Apr 2023 14:44 |
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