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Distributions of charged hadrons associated with high transverse momentum particles in pp and Au + Au collisions at s(NN)**(1/2) = 200-GeV

The STAR collaboration
Phys.Rev.Lett. 95 (2005) 152301, 2005.

Abstract
Charged hadrons in 0.15 < pt < 4 GeV/c associated with particles of pt^trig > 4 GeV/c are reconstructed in pp and Au+Au collisions at sqrt(s_NN)=200 GeV. The associated multiplicity and pt magnitude sum are found to increase from pp to central Au+Au collisions. The associated pt distributions, while similar in shape on the near side, are significantly softened on the away side in central Au+Au relative to pp and not much harder than that of inclusive hadrons. The results, consistent with jet quenching, suggest that the away-side fragments approach equilibration with the medium traversed.

  • Table for Figure 1(a) pp

    10.17182/hepdata.96233.v1/t1

    Dphi correlation functions for 0.15 < pT < 4 GEV/c and 4 < p_T^trig < 6 GEV/c.

  • Table for Figure 1(a) AA

    10.17182/hepdata.96233.v1/t2

    Dphi correlation functions for 0.15 < pT < 4 GEV/c and 4 < p_T^trig < 6 GEV/c.

  • Table for Figure 1(b) pp

    10.17182/hepdata.96233.v1/t3

    Dphi correlation functions for 2 < pT < 4 GEV/c and 4 < p_T^trig < 6 GEV/c.

  • Table for Figure 1(b) AA

    10.17182/hepdata.96233.v1/t4

    Dphi correlation functions for 2 < pT < 4 GEV/c and 4 < p_T^trig < 6 GEV/c.

  • Table for Figure 1(c) pp

    10.17182/hepdata.96233.v1/t5

    Deta correlation functions for 0.15 < pT < 4 GEV/c and 4 < p_T^trig < 6 GEV/c.

  • Table for Figure 1(c) AA

    10.17182/hepdata.96233.v1/t6

    Deta correlation functions for 0.15<pT<4 GEV/c and 4 < p_T^trig < 6 GEV/c.

  • Table for Figure 1(c) AA awayside

    10.17182/hepdata.96233.v1/t7

    Deta awayside correlation functions for 0.15 < pT < 4 GEV/c and 4 < p_T^trig < 6 GEV/c.

  • Table for Figure 1(d) pp

    10.17182/hepdata.96233.v1/t8

    Deta correlation functions for 2<pT<4 GEV/c and 4 < p_T^trig < 6 GEV/c.

  • Table for Figure 1(d) AA

    10.17182/hepdata.96233.v1/t9

    Dphi correlation functions for 2<pT<4 GEV/c and 4 < p_T^trig < 6 GEV/c.

  • Table for Figure 2(a), 4 <p_T^trig < 6 GEV/c

    10.17182/hepdata.96233.v1/t10

    Associated multiplicity vs centrality for 4 < p_T^trig < 6 GEV/c.

  • Table for Figure 2(a), 6 < p_T^trig < 10 GEV/c

    10.17182/hepdata.96233.v1/t11

    Associated multiplicity vs centrality for 6 < p_T^trig < 10 GEV/c.

  • Table for Figure 2(b), 4 < p_T^trig < 6 GEV/c

    10.17182/hepdata.96233.v1/t12

    Associated total p_T vs centrality for 4 < p_T^trig < 6 GEV/c.

  • Table for Figure 2(b), 6 < p_T^trig < 10 GEV/c

    10.17182/hepdata.96233.v1/t13

    Associated total p_T vs centrality for 6 < p_T^trig < 10 GEV/c.

  • Table for Figure 3(a) pp

    10.17182/hepdata.96233.v1/t14

    Near-side associated charged hadron p_T spectra for 4 < p_T^trig < 6 GEV/c.

  • Table for Figure 3(a) AA cent 40-80%

    10.17182/hepdata.96233.v1/t15

    Near-side associated charged hadron p_T spectra for 4 < p_T^trig < 6 GEV/c.

  • Table for Figure 3(a) AA cent 0-5%

    10.17182/hepdata.96233.v1/t16

    Near-side associated charged hadron p_T spectra for 4 < p_T^trig < 6 GEV/c.

  • Table for Figure 3(b) pp

    10.17182/hepdata.96233.v1/t17

    Away-side associated charged hadron p_T spectra for 4 < p_T^trig < 6 GEV/c.

  • Table for Figure 3(b) AA cent 40-80%

    10.17182/hepdata.96233.v1/t18

    Away-side associated charged hadron p_T spectra for 4 < p_T^trig < 6 GEV/c.

  • Table for Figure 3(b) AA cent 0-5%

    10.17182/hepdata.96233.v1/t19

    Away-side associated charged hadron p_T spectra for 4 < p_T^trig < 6 GEV/c.

  • Table for Figure 3(c) cent 40-80%

    10.17182/hepdata.96233.v1/t20

    Near-side AA/pp ratio for 4 < p_T^trig < 6 GEV/c.

  • Table for Figure 3(c) cent 0-5%

    10.17182/hepdata.96233.v1/t21

    Near-side AA/pp ratio for 4 < p_T^trig < 6 GEV/c.

  • Table for Figure 3(d) cent 40-80%

    10.17182/hepdata.96233.v1/t22

    Away-side AA/pp ratio for 4 < p_T^trig < 6 GEV/c.

  • Table for Figure 3(d) cent 0-5%

    10.17182/hepdata.96233.v1/t23

    Away-side AA/pp ratio for 4 < p_T^trig < 6 GEV/c.

  • Table for Figure 4, 4<p_T^trig<6 GEV/c

    10.17182/hepdata.96233.v1/t24

    Away-side associated <p_T> vs centrality for 4 < p_T^trig < 6 GEV/c.

  • Table for Figure 4, 6 < p_T^trig < 10 GEV/c

    10.17182/hepdata.96233.v1/t25

    Away-side associated <p_T> vs centrality for 6 < p_T^trig < 10 GEV/c.

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