finding the reaction plane angle ( f ) with the mvd: the best in phenix
DESCRIPTION
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) - PowerPoint PPT PresentationTRANSCRIPT
Finding the reaction plane angle () with the MVD: the best in PHENIX
x (b)
y z
Reactionplane
Beam-BeamCounter
MultiplicityVertex Detector
MVD + BBC
ReactionPlane
Resolution
BBC(S)BBC(N)BBC(S&N)CNT(full)MVD(S)
MVD(S)MVD(N)MVD(S&N)CNT(full)BBC(S)
v2 @ MVD(N) (~ 1.5)
v2 @ BBC(N) (~ 3.5)
BBC charged multiplicity
Physics: v2 is stronger at MVD Better R.P. determination
200 GeV v2 3-50%
200 GeV v1 6-55%
PHOBOS PreliminaryPHOBOS Preliminary
PHENIX MVD
PHENIX BBC
Au-Au, √sNN = 200 GeV (RHIC Run 4)