Observation of directed low of hypernuclei 3ΛH and 4ΛH in √𝑠NN=3 GeV Au+Au collisions at RHIC
We report here the first observation of directed flow ($v_1$) of the hypernuclei $^3_{\Lambda
Gespeichert in:
| Hauptverfasser: | , , , , |
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| Körperschaft: | |
| Dokumenttyp: | Article (Journal) |
| Sprache: | Englisch |
| Veröffentlicht: |
24 May 2023
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| In: |
Physical review letters
Year: 2023, Jahrgang: 130, Heft: 21 |
| ISSN: | 1079-7114 |
| DOI: | 10.1103/PhysRevLett.130.212301 |
| Online-Zugang: | Verlag, lizenzpflichtig, Volltext: https://doi.org/10.1103/PhysRevLett.130.212301 Verlag, lizenzpflichtig, Volltext: https://journals.aps.org/prl/abstract/10.1103/PhysRevLett.130.212301 
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| Verfasserangaben: | B.E. Aboona et al. (STAR Collaboration*) |
MARC
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| 245 | 1 | 0 | |a Observation of directed low of hypernuclei 3ΛH and 4ΛH in √NN=3 GeV Au+Au collisions at RHIC |c B.E. Aboona et al. (STAR Collaboration*) |
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| 246 | 3 | 3 | |a Observation of directed low of hypernuclei 3 Lambda H and 4 Lambda H in square root NN=3 GeV Au+Au collisions at RHIC |
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| 500 | |a Im Titel steht der Ausdruck "sNN" unter dem Wurzelsymbol, NN ist dabei tiefgestellt; 3 und 4 sind hochgestellt, Lambda ist jeweils tiefgestellt, 3 und 4 stehen jeweils über dem Lambda | ||
| 500 | |a *STAR Collaboration: I.M. Deppner, Y.H. Leung, Y. Söhngen, P.C. Weidenkaff [und 347 weitere Personen] | ||
| 500 | |a Gesehen am 03.07.2024 | ||
| 520 | |a We report here the first observation of directed flow ($v_1$) of the hypernuclei $^3_{\Lambda |h and $^4_{\Lambda |h in mid-central Au+Au collisions at $\sqrt{s_{\rm NN}}$ = 3 GeV at RHIC. These data are taken as part of the beam energy scan program carried out by the STAR experiment. From 165 $\times$ 10$^{6}$ events in 5%-40% centrality, about 8400 $^3_{\Lambda |h and 5200 $^4_{\Lambda |h candidates are reconstructed through two- and three-body decay channels. We observe that these hypernuclei exhibit significant directed flow. Comparing to that of light nuclei, it is found that the midrapidity $v_1$ slopes of $^3_{\Lambda |h and $^4_{\Lambda |h follow baryon number scaling, implying that the coalescence is the dominant mechanism for these hypernuclei production in such collisions. | ||
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