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Momentum Anisotropy of Leptons from Two-Photon Processes in Heavy-Ion Collisions

Xiao, Bo-Wen ; Yuan, Feng ; Zhou, Jian

Physical review letters, 2020-12, Vol.125 (23), p.232301-232301, Article 232301 [Periódico revisado por pares]

United States: American Physical Society

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Título:
Momentum Anisotropy of Leptons from Two-Photon Processes in Heavy-Ion Collisions
Autor: Xiao, Bo-Wen ; Yuan, Feng ; Zhou, Jian
Assuntos: Angular correlation ; Angular momentum ; Anisotropy ; Collective flow ; Heavy ions ; Ionic collisions ; Kinematics ; Leptons ; particle correlations & fluctuations ; Photons ; PHYSICS OF ELEMENTARY PARTICLES AND FIELDS ; quark-gluon plasma ; Relativistic Heavy Ion Collider ; relativistic heavy-ion collisions ; Transverse momentum
É parte de: Physical review letters, 2020-12, Vol.125 (23), p.232301-232301, Article 232301
Notas: ObjectType-Article-1
SourceType-Scholarly Journals-1
ObjectType-Feature-2
content type line 23
AC02-05CH11231; 11675093; 11575070
National Science Foundation (NSF)
USDOE Office of Science (SC), Nuclear Physics (NP)
Descrição: We investigate the azimuthal angular correlation between the lepton transverse momentum P_{⊥} and the impact parameter b_{⊥} in noncentral heavy-ion collisions, where the leptons are produced through two-photon scattering. Among the Fourier harmonic coefficients, a significant v_{4} asymmetry is found for the typical kinematics at RHIC and LHC with a mild dependence on the P_{⊥}, whereas v_{2} is power suppressed by the lepton mass over P_{⊥}. This unique prediction, if confirmed from the experiments, shall provide crucial information on the production mechanism for the dilepton in two-photon processes.
Editor: United States: American Physical Society
Idioma: Inglês

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Momentum Anisotropy of Leptons from Two-Photon Processes in Heavy-Ion Collisions

Xiao, Bo-Wen ; Yuan, Feng ; Zhou, Jian

United States: American Physical Society

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