Home > Publications database > Polarization of $\Lambda$ and $\overline{\Lambda}$ hyperons along the beam direction in Pb-Pb collisions at $\sqrt{s_{\rm NN}}$ = 5.02 TeV > print

001     251005
005     20250630143456.0
024 7 _ |a 10.17182/HEPDATA.128775
|2 doi
037 _ _ |a GSI-2023-00206
041 _ _ |a English
100 1 _ |a ALICE Collaboration
|0 P:(DE-HGF)0
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|e Corresponding author
245 _ _ |a Polarization of $\Lambda$ and $\overline{\Lambda}$ hyperons along the beam direction in Pb-Pb collisions at $\sqrt{s_{\rm NN}}$ = 5.02 TeV
260 _ _ |c 2022
336 7 _ |a MISC
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336 7 _ |a Dataset
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500 _ _ |a Journal Article GSI record: GSI-2023-00143
520 _ _ |a The polarization of the $\Lambda$ and $\overline\Lambda$ hyperons along the beam ($z$) direction, $P_{\rm z}$, has been measured in Pb--Pb collisions at $\sqrt{s_{\rm NN}} =$ 5.02 TeV recorded with ALICE at the Large Hadron Collider (LHC). The largest contribution to $P_{\rm z}$ comes from elliptic flow induced vorticity and can be characterized by the second Fourier sine coefficient $P_{\rm z,\,{\rm s2}} = \langle{P_{\rm z}\sin(2\varphi - 2 \Psi_{\rm 2})}\rangle$, where $\varphi$ is the hyperon azimuthal emission angle, and $\Psi_{\rm 2}$ is the elliptic flow plane angle. We report the measurement of $P_{\rm z,\,{\rm s2}}$ for different collision centralities, and in the 30--50\% centrality interval as a function of the hyperon transverse momentum ($p_{\rm T}$) and rapidity ($y_{\rm H}$).
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536 _ _ |a SUC-GSI-Heidelberg - Strategic university cooperation GSI-U Heidelberg (SUC-GSI-HE)
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536 _ _ |a SUC-GSI-Frankfurt - Strategic university cooperation GSI-U Frankfurt/M (SUC-GSI-FR)
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536 _ _ |a SUC-GSI-Darmstadt - Strategic university cooperation GSI-TU Darmstadt (SUC-GSI-DA)
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588 _ _ |a Dataset connected to DataCite
693 _ _ |a LHC
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773 _ _ |a 10.17182/HEPDATA.128775
787 0 _ |a Acharya, Shreyasi et.al.
|d College Park, Md. : APS, 2022
|i RelatedTo
|0 GSI-2023-00143
|r arXiv:2107.11183 ; CERN-EP-2021-148
|t Polarization of $\Lambda$ and $\bar \Lambda$ Hyperons along the Beam Direction in Pb-Pb Collisions at $\sqrt {s_{NN}}$ = 5.02 TeV
909 C O |o oai:repository.gsi.de:251005
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913 1 _ |a DE-HGF
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|l Matter and the Universe
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914 1 _ |y 2022
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980 _ _ |a UNRESTRICTED

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