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...
Gespeichert in:
| Hauptverfasser: | , , , |
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| Dokumenttyp: | Article (Journal) |
| Sprache: | Englisch |
| Veröffentlicht: |
8 April 2011
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| In: |
Nuclear physics. A, Nuclear and hadronic physics
Year: 2011, Jahrgang: 858, Heft: 1, Pages: 86-94 |
| ISSN: | 1873-1554 |
| DOI: | 10.1016/j.nuclphysa.2011.03.013 |
| Online-Zugang: | 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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| Verfasserangaben: | G. Tsiledakis, H. Appelshäuser, K. Schweda, J. Stachel |
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| 520 | |a 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. | ||
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