The elliptic flow of inclusive and direct photons was measured at mid-rapidity in two centrality classes 0–20% and 20–40% in Pb–Pb collisions at √sNN = 2.76 TeV by ALICE. Photons were detected with the highly segmented electromagnetic calorimeter PHOS and via conversions in the detector material with the e+e− pairs reconstructed in the central tracking system. The results of the two methods were combined and the direct-photon elliptic flow was extracted in the transverse momentum range 0.9 < pT < 6.2 GeV/c. A comparison to RHIC data shows a similar magnitude of the measured direct- photon elliptic flow. Hydrodynamic and transport model calculations are systematically lower than the data, but are found to be compatible.
Eser Adı (dc.title) | Direct photon elliptic flow in Pb–Pb collisions at √sNN = 2.76 TeV |
Yayın Türü (dc.type) | Makale |
Yazar/lar (dc.contributor.author) | KARASU UYSAL, Ayben |
Yazar/lar (dc.contributor.author) | ALICE Collaboration |
Atıf Dizini (dc.source.database) | Wos |
Atıf Dizini (dc.source.database) | Scopus |
Konu Başlıkları (dc.subject) | Direct Photon |
Konu Başlıkları (dc.subject) | LHC |
Konu Başlıkları (dc.subject) | ALICE |
Konu Başlıkları (dc.subject) | Elliptic Flow |
Yayın Tarihi (dc.date.issued) | 2019 |
Kayıt Giriş Tarihi (dc.date.accessioned) | 2019-07-08T09:25:19Z |
Açık Erişim tarihi (dc.date.available) | 2019-07-08T09:25:19Z |
Atıf için Künye (dc.identifier.citation) | https://doi.org/10.1016/j.physletb.2018.11.039 |
Özet (dc.description.abstract) | The elliptic flow of inclusive and direct photons was measured at mid-rapidity in two centrality classes 0–20% and 20–40% in Pb–Pb collisions at √sNN = 2.76 TeV by ALICE. Photons were detected with the highly segmented electromagnetic calorimeter PHOS and via conversions in the detector material with the e+e− pairs reconstructed in the central tracking system. The results of the two methods were combined and the direct-photon elliptic flow was extracted in the transverse momentum range 0.9 < pT < 6.2 GeV/c. A comparison to RHIC data shows a similar magnitude of the measured direct- photon elliptic flow. Hydrodynamic and transport model calculations are systematically lower than the data, but are found to be compatible. |
Tek Biçim Adres (dc.identifier.uri) | https://hdl.handle.net/20.500.12498/669 |