Please use this identifier to cite or link to this item: https://hdl.handle.net/11147/7739
Title: Elliptic flow of charm and strange hadrons in high-multiplicity p + Pb collisions at ? s NN = 8.16 TeV
Authors: CMS Collaboration
Karapınar, Güler
Keywords: Binary alloys
Vanadium alloys
Elliptic flows
High multiplicity
Center-of-mass energies
Issue Date: Aug-2018
Publisher: American Physical Society
Source: Sirunyan, A.M., Tumasyan, A., Adam, W., Ambrogi, F., Asilar, E., Bergauer, T., Brandstetter, J. ...CMS Collaboration (2018). Elliptic flow of charm and strange hadrons in high-multiplicity p + Pb collisions at √ s NN = 8.16 TeV. Physical Review Letters, 121(8). doi:10.1103/PhysRevLett.121.082301
Abstract: The elliptic azimuthal anisotropy coefficient (v2) is measured for charm (D0) and strange (KS0, Λ, Ξ-, and Ω-) hadrons, using a data sample of p+Pb collisions collected by the CMS experiment, at a nucleon-nucleon center-of-mass energy of sNN=8.16 TeV. A significant positive v2 signal from long-range azimuthal correlations is observed for all particle species in high-multiplicity p+Pb collisions. The measurement represents the first observation of possible long-range collectivity for open heavy flavor hadrons in small systems. The results suggest that charm quarks have a smaller v2 than the lighter quarks, probably reflecting a weaker collective behavior. This effect is not seen in the larger PbPb collision system at sNN=5.02 TeV, also presented.
URI: https://doi.org/10.1103/PhysRevLett.121.082301
https://hdl.handle.net/11147/7739
ISSN: 0031-9007
0031-9007
1079-7114
Appears in Collections:Mathematics / Matematik
PubMed İndeksli Yayınlar Koleksiyonu / PubMed Indexed Publications Collection
Rectorate / Rektörlük
Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection

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