[Brahms-l] Fwd: New PHENIX Paper on elliptic flow

FYI


Begin forwarded message:
>
>
> Dear Nu, Wit, Flemming and Steve,
>
>     I am happy to announce that in one week's time, the
> PHENIX Collaboration will submit a paper to Phys. Rev. C
> on Systematic studies of elliptic flow in Au+Au at 200 GeV
>
> Please find the title and abstract below.
>
> best regards,
> Barbara
>
> Title:
> Systematic Studies of Elliptic Flow Measurements
> in Au+Au Collisions at sqrt(s_NN) = 200 GeV
>
> Abstract:
> We present inclusive charged hadron elliptic flow v_2 measured
> over the pseudorapidity range |\eta| < 0.35 in Au+Au collisions
> at sqrt(s_NN) = 200 GeV.  Results for v_2 are presented over a
> broad range of transverse momentum (p_T = 0.2--8.0 GeV/c) and
> centrality (0-60%). In order to study non-flow effects that are
> not correlated with the reaction plane, as well as the
> fluctuations of v_2, we compare two different analysis methods:
> (1) event plane method from two independent sub-detectors at
> forward (|\eta| = 3.1--3.9) and beam (|\eta| > 6.5)
> pseudorapidities and (2) two-particle cumulant method extracted
> using correlations between particles detected at midrapidity.
> The two event-plane results are consistent within systematic
> uncertainties over the measured p_T and in centrality 0--40%.
> There is at most 20% difference of the v_2 between the two event
> plane methods in peripheral (40--60%) collisions.  The
> comparisons between the two-particle cumulant results and the
> standard event plane measurements are discussed.

Flemming videbaek
videbaek @ bnl.gov
Brookhaven National Lab
631-344-4106
cell: 631-681-1596



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