Speaker
Dr
shengli huang
(PHENIX Collaboration)
Description
Measurements of the anisotropic flow with different order harmonic
coefficients ($v_n$, n=1,2,3,4) have played a pivotal role in the
discovery of the strongly coupled quark-gluon plasma (sQGP) at
RHIC. They are also important for the study of the viscous
hydrodynamics and the extraction of the shear viscosity over
entropy density ($\eta/s$). The anisotropic flow is strongly
coupled with the medium density, initial geometry shape, and
corresponding event-by-event fluctuation. All of these elements
will come into play in a new way with the availability of Cu+Au
collisions at RHIC.
The flexibility of RHIC to collide asymmetric nuclei such as Cu +
Au at 200 GeV can provide an asymmetric geometry and density both
in the transverse plane and longitude, and therefore open a window
to investigate the influence from initial geometry and density. It
will also help us to probe the different hydrodynamics models and
collision models and their properties. In this poster, I will
present the work in progress for measuring the correlation between
the different $v_n$ planes, from fast production data. Progress
for the measurements of charged hadron $v_n$ as a function of
centrality, transverse momentum and rapidity will also be
presented.
Author
Dr
shengli huang
(PHENIX Collaboration)
