The proton-[omega] correlation function in Au+Au collisions at √sNN=200 GeV
We present the first measurement of the proton-Ω correlation function in heavy-ion collisions for the central (0-40%) and peripheral (40-80%) Au+Au collisions at sNN=200 GeV by the STAR experiment at the Relativistic Heavy-Ion Collider (RHIC). Predictions for the ratio of peripheral collisions to ce...
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| Hauptverfasser: | , , |
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| Körperschaft: | |
| Dokumenttyp: | Article (Journal) |
| Sprache: | Englisch |
| Veröffentlicht: |
31 January 2019
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| In: |
Physics letters
Year: 2019, Jahrgang: 790, Pages: 490-497 |
| ISSN: | 1873-2445 |
| DOI: | 10.1016/j.physletb.2019.01.055 |
| Online-Zugang: | Verlag, Volltext: https://doi.org/10.1016/j.physletb.2019.01.055 Verlag, Volltext: http://www.sciencedirect.com/science/article/pii/S0370269319300802 
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| Verfasserangaben: | STAR Collaboration J. Adam, I.M. Deppner, N. Herrmann [und 347 weitere] |
| Zusammenfassung: | We present the first measurement of the proton-Ω correlation function in heavy-ion collisions for the central (0-40%) and peripheral (40-80%) Au+Au collisions at sNN=200 GeV by the STAR experiment at the Relativistic Heavy-Ion Collider (RHIC). Predictions for the ratio of peripheral collisions to central collisions for the proton-Ω correlation function are sensitive to the presence of a nucleon-Ω bound state. These predictions are based on the proton-Ω interaction extracted from (2+1)-flavor lattice QCD calculations at the physical point. The measured ratio of the proton-Ω correlation function between the peripheral (small system) and central (large system) collisions is less than unity for relative momentum smaller than 40 MeV/c. Comparison of our measured correlation ratio with theoretical calculation slightly favors a proton-Ω bound system with a binding energy of ∼ 27 MeV. |
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| Beschreibung: | Gesehen am 28.05.2018 Im Titel ist Omega als griechischer Buchstabe dargestellt Im Titel steht der Ausdruck "sNN" unter dem Wurzelsymbol, "NN" ist dabei tiefgestellt |
| Beschreibung: | Online Resource |
| ISSN: | 1873-2445 |
| DOI: | 10.1016/j.physletb.2019.01.055 |