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Nuclear stopping in Au + Au collisions at s(NN)**(1/2) = 200-GeV.

The BRAHMS collaboration
Bearden, I.G. , Beavis, D. , Besliu, C. , Budick, B. , Boggild, H. , Chasman, C. , Christensen, C.H. , Christiansen, P. , Cibor, J. , Debbe, R.
Phys.Rev.Lett. 93 (2004) 102301, 2004.
https://doi.org/10.17182/hepdata.89443

Abstract (data abstract)
BNL-RHIC-BRAHMS. Transverse momentum spectra and rapidity densities, dN/dy, of protons, anti-protons, and net--protons (p-pbar) from central (0-5%) Au+Au collisions at sqrt(sNN) = 200 GeV were measured with the BRAHMS experiment within the rapidity range 0 < y < 3. The proton and anti-proton dN/dy decrease from mid-rapidity to y=3. The net-proton yield is roughly constant for y<1 at dN/dy~7, and increases to dN/dy~12 at y~3. The data show that collisions at this energy exhibit a high degree of transparency and that the linear scaling of rapidity loss with rapidity observed at lower energies is broken. The energy loss per participant nucleon is estimated to be 73 +- 6 GeV.

  • Table 1

    Table 1

    10.17182/hepdata.89443.v1/t1

    $\frac{1}{2\pi p_{\mathrm{T}}}\frac{\mathrm{d}^2N}{\mathrm{d}p_{\mathrm{T}}\mathrm{d}y}$ versus $p_{\mathrm{T}}$ for $\mathrm{p}$,$\overline{\mathrm{p}}$ in $\mathrm{Au}-\mathrm{Au}$ at $\sqrt{s_{\mathrm{NN}}}=200\,\mathrm{Ge\!V}$ . NaN values means no observation.

  • Table 2

    Table 2

    10.17182/hepdata.89443.v1/t2

    $\frac{\mathrm{d}N}{\mathrm{d}y}$ versus $y$ for $\mathrm{p}$,$\overline{\mathrm{p}}$,$\mathrm{p}-\overline{\mathrm{p}}$ in $\mathrm{Au}-\mathrm{Au}$ at $\sqrt{s_{\mathrm{NN}}}=200\,\mathrm{Ge\!V}$ . The correction for the $\Lambda$ contribution is not straight forward...

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