Heavy-quark azimuthal momentum correlations as a sensitive probe of thermalization

In high-energy nuclear collisions the degree of thermalization at the partonic level is a key issue. Due to their large mass, heavy quarks and their possible participation in the collective flow of the QCD-medium constitute a powerful probe for thermalization. We present studies with PYTHIA for pp c...

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Bibliographic Details
Main Authors: Tsiledakis, Georgios Karolos (Author) , Appelshäuser, H. (Author) , Schweda, Kai (Author) , Stachel, Johanna (Author)
Format: Article (Journal)
Language:English
Published: 8 April 2011
In: Nuclear physics. A, Nuclear and hadronic physics
Year: 2011, Volume: 858, Issue: 1, Pages: 86-94
ISSN:1873-1554
DOI:10.1016/j.nuclphysa.2011.03.013
Online Access:Verlag, lizenzpflichtig, Volltext: https://doi.org/10.1016/j.nuclphysa.2011.03.013
Verlag, lizenzpflichtig, Volltext: https://www.sciencedirect.com/science/article/pii/S0375947411002521
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Author Notes:G. Tsiledakis, H. Appelshäuser, K. Schweda, J. Stachel
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Summary:In high-energy nuclear collisions the degree of thermalization at the partonic level is a key issue. Due to their large mass, heavy quarks and their possible participation in the collective flow of the QCD-medium constitute a powerful probe for thermalization. We present studies with PYTHIA for pp collisions at the top LHC energy of s=14 TeV applying the two-particle transverse momentum correlator 〈Δpt,1,Δpt,2〉 to pairs of heavy-quark hadrons and their semi-leptonic decay products as a function of their relative azimuth. Modifications or even the complete absence of initially existing correlations in Pb+Pb collisions might indicate thermalization at the partonic level.
Item Description:Gesehen am 17.11.2022
Physical Description:Online Resource
ISSN:1873-1554
DOI:10.1016/j.nuclphysa.2011.03.013