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Anisotropic flow in fixed-Target 208Pb+20Ne collisions as a probe of quark-gluon plasma

The System for Measuring Overlap with Gas (SMOG2) at the LHCb detector enables the study of fixed-target ion-ion collisions at relativistic energies (√𝑠NN∼100 GeV in the center of mass). With input from ab initio calculations of the structure of 16O and 20Ne, we compute 3+1⁢D hydrodynamic prediction...

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Hauptverfasser: Giacalone, Giuliano (Verfasst von) , Zhao, Wenbin (Verfasst von) , Bally, Benjamin (Verfasst von) , Shen, Shihang (Verfasst von) , Duguet, Thomas (Verfasst von) , Ebran, Jean-Paul (Verfasst von) , Elhatisari, Serdar (Verfasst von) , Frosini, Mikael (Verfasst von) , Lähde, Timo A. (Verfasst von) , Lee, Dean (Verfasst von) , Lu, Bing-Nan (Verfasst von) , Ma, Yuan-Zhuo (Verfasst von) , Meißner, Ulf-G. (Verfasst von) , Nijs, Govert (Verfasst von) , Noronha-Hostler, Jacquelyn (Verfasst von) , Plumberg, Christopher (Verfasst von) , Rodríguez, Tomás R. (Verfasst von) , Roth, Robert (Verfasst von) , van der Schee, Wilke (Verfasst von) , Schenke, Björn (Verfasst von) , Shen, Chun (Verfasst von) , Somà, Vittorio (Verfasst von)
Dokumenttyp: Article (Journal)
Sprache:Englisch
Veröffentlicht: 26 February 2025
In: Physical review letters
Year: 2025, Jahrgang: 134, Heft: 8, Pages: 1-10
ISSN:1079-7114
DOI:10.1103/PhysRevLett.134.082301
Online-Zugang:Verlag, kostenfrei, Volltext: https://doi.org/10.1103/PhysRevLett.134.082301
Verlag, kostenfrei, Volltext: https://link.aps.org/doi/10.1103/PhysRevLett.134.082301
Volltext
Verfasserangaben:Giuliano Giacalone, Wenbin Zhao, Benjamin Bally, Shihang Shen, Thomas Duguet, Jean-Paul Ebran, Serdar Elhatisari, Mikael Frosini, Timo A. Lähde, Dean Lee, Bing-Nan Lu, Yuan-Zhuo Ma, Ulf-G. Meißner, Govert Nijs, Jacquelyn Noronha-Hostler, Christopher Plumberg, Tomás R. Rodríguez, Robert Roth, Wilke van der Schee, Björn Schenke, Chun Shen, and Vittorio Somà
Beschreibung
Zusammenfassung:The System for Measuring Overlap with Gas (SMOG2) at the LHCb detector enables the study of fixed-target ion-ion collisions at relativistic energies (√𝑠NN∼100 GeV in the center of mass). With input from ab initio calculations of the structure of 16O and 20Ne, we compute 3+1⁢D hydrodynamic predictions for the anisotropic flow of Pb+Ne and Pb+O collisions to be tested with upcoming LHCb data. This will allow the detailed study of quark-gluon plasma formation as well as experimental tests of the predicted nuclear shapes. Elliptic flow (𝑣2) in Pb+Ne collisions is greatly enhanced compared to the Pb+O baseline due to the shape of 20Ne, which is deformed in a bowling-pin geometry. Owing to the large 208Pb radius, this effect is seen in a broad centrality range, a unique feature of this collision configuration. Larger elliptic flow further enhances the quadrangular flow (𝑣4) of Pb+Ne collisions via nonlinear coupling, and impacts the sign of the kurtosis of the elliptic flow vector distribution (𝑐2⁡{4}). Exploiting the shape of 20Ne proves thus an ideal method to investigate the formation of quark-gluon plasma in fixed-target experiments at LHCb, and demonstrates the power of System for Measuring Overlap with Gas as a tool to image nuclear ground states.
Beschreibung:Im Titel sind die Zahlen 208 und 20 hochgestellt
Veröffentlicht: 26. Februar 2025
Gesehen am 01.06.2026
Beschreibung:Online Resource
ISSN:1079-7114
DOI:10.1103/PhysRevLett.134.082301

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