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Azimuthal anisotropy and correlations in p+p, d+Au and Au+Au collisions at 200 GeV | A.H. Tang STAR Collaboration
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12 Mar 2004 | Journal: | J.Phys. G30 (2004) S1235-S1238 | Subject: | nucl-ex | Affiliation: | for the | Abstract: | We present the first measurement of directed flow ($v_1$) at RHIC. $v_1$ is found to be consistent with zero at pseudorapidities $eta$ from -1.2 to 1.2, then rises to the level of a couple of percent over the range $2.4 < |eta| < 4$. The latter observation is similar to data from NA49 if the SPS rapidities are shifted by the difference in beam rapidity between RHIC and SPS. Back-to-back jets emitted out-of-plane are found to be suppressed more if compared to those emitted in-plane, which is consistent with {it jet quenching}. Using the scalar product method, we systematically compared azimuthal correlations from p+p, d+Au and Au+Au collisions. Flow and non-flow from these three different collision systems are discussed. | Source: | arXiv, nucl-ex/0403018 | Services: | Forum | Review | PDF | Favorites |
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