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26–30 Jul 2021
Shangshan Hotel, Building 9
Asia/Shanghai timezone

Explore the collision geometry using the linear polarized photons

Not scheduled
15m
Conference Hall (Shangshan Hotel, Building 9)

Conference Hall

Shangshan Hotel, Building 9

33 Changlingnan Road, Guanshan Lake District, Guiyang, China

Speaker

鑫 吴 (中国科学技术大学)

Description

Relativistic heavy ions carry giant electromagnetic fields which can be equivalent to a field of quasireal and linearly polarized virtual photons. The vector meson production from linearly polarized photons possesses a distinctive signature in the asymmetries of the decay angular distributions. We compute the second-order modulation in azimuth as function of the vector meson (${\rho}_{0}$ and $J/\psi$) transverse momentum pt and the impact parameter b in non-central heavy-ion collisions. Our study shows that the second-order modulation sensitively relies on the impact parameter, which provide a new method to determine the reaction plane. This method is independent of the evolution of QGP, it can help us better relate the anisotropy of the final momentum space to the anisotropy of the initial coordinate space.

Primary author

鑫 吴 (中国科学技术大学)

Co-author

王妹 查 (中国科学技术大学近代物理系)

Presentation materials

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