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Charged-pion cross sections and double-helicity asymmetries in polarized p+p collisions at $\sqrt{s}$=200 GeV

The PHENIX collaboration
Phys.Rev.D 91 (2015) 032001, 2015.

Abstract (data abstract)
BNL-RHIC. We present the midrapidity charged pion invariant cross sections and the ratio of $\pi^-$-to-$\pi^+$ production ($5<p_T<13$ GeV/$c$), together with the double-helicity asymmetries ($5<p_T<12$ GeV/$c$) in polarized $p$$+$$p$ collisions at $\sqrt{s} = 200$ GeV.

  • Table 1

    Data from Table 2


    Invariant cross section for $\pi^+$ and $\pi^-$ hadrons, as well as the statistical and systematic uncertainties. In addition, there is...

  • Table 2

    Data from Table 3


    Double-helicity asymmetries and statistical uncertainties for $\pi^+$ and $\pi^-$ hadrons. The primary systematic uncertainties, which are fully correlated between points,...

  • Table 3

    Data from Table 4


    Ratio of charged pion cross section, as shown in Fig.6.

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