Multiplicity distribution and spectra of negatively charged hadrons in Au+Au collisions at s(NN)**(1/2) = 130-GeV

The collaboration
Phys.Rev.Lett. 87 (2001) 112303, 2001.

Abstract
The minimum bias multiplicity distribution and the transverse momentum and pseudorapidity distributions for central collisions have been measured for negative hadrons (h-) in Au+Au interactions at sqrt(s_nn) = 130 GeV. The multiplicity density at midrapidity for the 5% most central interactions is dNh-/deta|_{eta = 0} = 280 +- 1(stat)+- 20(syst), an increase per participant of 38% relative to ppbar collisions at the same energy. The mean transverse momentum is 0.508 +- 0.012 GeV/c and is larger than in central Pb+Pb collisions at lower energies. The scaling of the h- yield per participant is a strong function of pt. The pseudorapidity distribution is almost constant within |eta|<1.

• #### Figure 1

10.17182/hepdata.99049.v1/t1