Speaker
Takahito for the PHENIX Collaboration Todoroki
(University of Tsukuba, RIKEN Nishina Center)
Description
Two particle correlations provide key information on the interactions
between hard-scattered partons and the hot dense medium created
by ultra-relativistic heavy ion collisions.
An important aspect of extracting jet functions from correlation
measurements in heavy ion collisions is to estimate the underlying
event background level and its modulation by vn. This is essential for
the goal of discerning possible medium response to hard-scattered
partons. At both RHIC and the LHC, higher harmonic flow(vn) has
recently been measured over a large rapidity range. Harmonics
beyond v2 provide sensitivity to fluctuations of the initial collision
geometry. After subtracting vn component of the background, we
are able to construct correlations in which the trigger particle is
selected with respect to not only the second, but also higher,
harmonic event planes. These provide detailed knowledge of the path
length dependence of parton energy loss and its sensitivity to each
harmonic event plane. This talk will present the current results of azimuthal
hadron correlations both with and without trigger selection relative to
higher harmonic event planes in Au+Au 200 GeV collisions.
Primary author
Takahito for the PHENIX Collaboration Todoroki
(University of Tsukuba, RIKEN Nishina Center)
Peer reviewing
Paper
Paper files:
