Measurement of collective flow in heavy-ion collisions using particle-pair correlations
S. WangDepartment of Physics, Harbin Institute of Technology, Harbin 150006, People’s Republic of ChinaYue JiangDepartment of Physics, Harbin Institute of Technology, Harbin 150006, People’s Republic of ChinaY. M. LiuDepartment of Physics, Harbin Institute of Technology, Harbin 150006, People’s Republic of ChinaD. KeaneDepartment of Physics, Harbin Institute of Technology, Harbin 150006, People’s Republic of ChinaD. BeavisDepartment of Physics, Harbin Institute of Technology, Harbin 150006, People’s Republic of ChinaS. Y. ChuDepartment of Physics, Harbin Institute of Technology, Harbin 150006, People’s Republic of ChinaS.-Y. FungDepartment of Physics, Harbin Institute of Technology, Harbin 150006, People’s Republic of ChinaM. VientDepartment of Physics, Harbin Institute of Technology, Harbin 150006, People’s Republic of ChinaC. HartnackDepartment of Physics, Harbin Institute of Technology, Harbin 150006, People’s Republic of ChinaH. StöckerDepartment of Physics, Harbin Institute of Technology, Harbin 150006, People’s Republic of China
1991en
ABI
Аннотация
We present a new type of flow analysis, based on a particle-pair correlation function, in which there is no need for an event-by-event determination of the reaction plane. Consequently, the need to correct for dispersion in an estimated reaction plane does not arise. Our method also offers the option to avoid any influence from particle misidentification. Using this method, streamer chamber data for collisions of Ar+KCl and Ar+${\mathrm{BaI}}_{2}$ at 1.2 GeV/nucleon are compared with predictions of a nuclear transport model.
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