High-p(T) pi(0) production with respect to the reaction plane using the PHENIX detector at RHIC

作者：Winter D L^*

来源：European Physical Journal C, 2007, 49(1): 47-50.

DOI：10.1140/epjc/s10052-006-0094-5

The origin of the azimuthal anisotropy in particle yields at high p(T) (p(T)> 5 GeV/c) in RHIC collisions remains an intriguing puzzle. Traditional flow and parton energy loss models have failed to completely explain the large v(2) observed at high p(T). Measurement of this parameter at high p(T) will help to gain an understanding of the interplay between flow, recombination and energy loss, and the role they play in the transition from soft to hard physics. Neutral mesons measured in the PHENIX experiment provide an ideal observable for such studies. We present recent measurements of pi(0) yields with respect to the reaction plane, and discuss the impact current models have on our understanding of these mechanisms.

• 出版日期2007-1