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J/ψ polarization in p+p collisions at $\sqrt{s}$ = 200 GeV in STAR

The STAR collaboration
Phys.Lett.B 739 (2014) 180-188, 2014.

Abstract (data abstract)
$J/\psi$ polarization in $p+p$ collisions at SQRT(s)= 200 GeV in STAR. Results from the STAR experiment at Relativistic Heavy Ion Collider.

  • Figure 2 (a)

    Data from Figure 2 (a)

    10.17182/hepdata.96232.v1/t1

    Uncorrected cos$\theta$ distribution after the combinatorial background subtraction for $2 < p_{T}^{J/\psi} < 3$ GeV/c

  • Figure 2 (b)

    Data from Figure 2 (b)

    10.17182/hepdata.96232.v1/t2

    Uncorrected cos$\theta$ distribution after the combinatorial background subtraction for $3 < p_{T}^{J/\psi} < 4$ GeV/c

  • Figure 2 (c)

    Data from Figure 2 (c)

    10.17182/hepdata.96232.v1/t3

    Uncorrected cos$\theta$ distribution after the combinatorial background subtraction for $4 < p_{T}^{J/\psi} < 6$ GeV/c

  • Figure 2 (d)

    Data from Figure 2 (d)

    10.17182/hepdata.96232.v1/t4

    Total $J/\psi$ efficiency as a function of cos$\theta$ for $2 < p_{T}^{J/\psi} < 3$ GeV/c

  • Figure 2 (e)

    Data from Figure 2 (e)

    10.17182/hepdata.96232.v1/t5

    Total $J/\psi$ efficiency as a function of cos$\theta$ for $3 < p_{T}^{J/\psi} < 4$ GeV/c

  • Figure 2 (f)

    Data from Figure 2 (f)

    10.17182/hepdata.96232.v1/t6

    Total $J/\psi$ efficiency as a function of cos$\theta$ for $4 < p_{T}^{J/\psi} < 6$ GeV/c

  • Figure 2 (g)

    Data from Figure 2 (g)

    10.17182/hepdata.96232.v1/t7

    Different contributions to total $J/\psi$ efficiency as a function of cos$\theta$ for $2 < p_{T}^{J/\psi} < 3$ GeV/c

  • Figure 2 (h)

    Data from Figure 2 (h)

    10.17182/hepdata.96232.v1/t8

    Different contributions to total $J/\psi$ efficiency as a function of cos$\theta$ for $3 < p_{T}^{J/\psi} < 4$ GeV/c

  • Figure 2 (i)

    Data from Figure 2 (i)

    10.17182/hepdata.96232.v1/t9

    Different contributions to total $J/\psi$ efficiency as a function of cos$\theta$ for $4 < p_{T}^{J/\psi} < 6$ GeV/c

  • Figure 3 (a)

    Data from Figure 3 (a)

    10.17182/hepdata.96232.v1/t10

    Corrected cos$\theta$ distribution for $2 < p_{T}^{J/\psi} < 3$ GeV/c

  • Figure 3 (b)

    Data from Figure 3 (b)

    10.17182/hepdata.96232.v1/t11

    Corrected cos$\theta$ distribution for $3 < p_{T}^{J/\psi} < 4$ GeV/c

  • Figure 3 (c)

    Data from Figure 3 (c)

    10.17182/hepdata.96232.v1/t12

    Corrected cos$\theta$ distribution for $4 < p_{T}^{J/\psi} < 6$ GeV/c

  • Figure 4

    STAR data from Figure 4

    10.17182/hepdata.96232.v1/t13

    $J/\psi$ polarization parameter $\lambda_{\theta}$ as a function of $J/\psi$ $p_{T}$ for rapidity |y|<1

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