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Finding the reaction plane angle ( F ) with the MVD: the best in PHENIX. Beam-Beam Counter. Multiplicity Vertex Detector. MVD + BBC. z. y. x (b). Reaction plane. Reaction Plane Resolution. Physics: v 2 is stronger at MVD h Better R.P. determination. v 2 @ MVD(N)
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Finding the reaction plane angle (F) with the MVD: the best in PHENIX Beam-Beam Counter Multiplicity Vertex Detector MVD + BBC z y x (b) Reaction plane Reaction PlaneResolution
Physics: v2 is stronger at MVD h Better R.P. determination v2 @ MVD(N) (h ~ 1.5) v2 @ BBC(N) (h ~ 3.5) BBC(S) BBC(N) BBC(S&N) CNT(full) MVD(S) MVD(S) MVD(N) MVD(S&N) CNT(full) BBC(S) BBC charged multiplicity Au-Au, √sNN = 200 GeV (RHIC Run 4) 200 GeV v2 3-50% PHOBOS Preliminary 200 GeV v1 6-55% PHENIX MVD PHENIX BBC