Charged antiparticle to particle ratios near midrapidity in p+p collisions at sqrt(s_NN)=200 GeV

Details Charged antiparticle to particle ratios near midrapidity in p+p collisions at sqrt(s_NN)=200 GeV Charged antiparticle to particle ratios near midrapidity in p+p collisions at sqrt(s_NN)=200 GeV

2004-09-02

arxiv.org/abs/nucl-ex/0409003v1

Phys.Rev.C71:021901,2005

Physics

Nuclear Physics

Nuclear Experiment

3 pages, 2 figures, 1 table, submitted to Phys. Rev. C

Scientific paper

10.1103/PhysRevC.71.021901

The ratios of the yields of primary charged antiparticles to particles have been obtained for pions, kaons, and protons near midrapidity for p+p collisions at sqrt(s_NN) = 200 GeV. Ratios of =1.000 +/- 0.012 (stat.) +/- 0.019 (syst.), =0.93 +/- 0.05 (stat.) +/- 0.03 (syst.), and =0.85 +/- 0.04 (stat.) +/- 0.03 (syst.) have been measured. The reported values represent the ratio of the yields averaged over the rapidity range of 0.1

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