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First measurement of $\Xi_{\rm c}^0$ production in pp collisions at $\mathbf{\sqrt{s}}$ = 7 TeV

The ALICE collaboration
, , , , , , , , ,
Phys.Lett.B 781 (2018) 8-19, 2018.
https://doi.org/10.17182/hepdata.83354

Abstract (data abstract)
The production of the charm-strange baryon $\Xi_{\rm c}^{0}$ is measured for the first time at the LHC via its semileptonic decay into e$^+\Xi^-\nu_{\rm e}$ in pp collisions at $\sqrt{s}=7$ TeV with the ALICE detector. The transverse momentum ($p_{\rm T}$) differential cross section multiplied by the branching ratio is presented in the interval 1 $<$ $p_{\rm T}$ $<$ 8~GeV/$c$ at mid-rapidity, $|y|$ $<$ 0.5. The transverse momentum dependence of the $\Xi_{\rm c}^{0}$ baryon production relative to the ${\rm D}^0$ meson production is compared to predictions of event generators with various tunes of the hadronisation mechanism, which are found to underestimate the measured cross-section ratio.

  • Table 1

    Data from Figure 4

    10.17182/hepdata.83354.v1/t1

    Inclusive $\Xi_{\rm c}^{0}$ $p_{\rm T}$ differential cross section multiplied by the branching ratio into the semileptonic decay for $|y|<0.5$.

  • Table 2

    Data from Figure 5

    10.17182/hepdata.83354.v1/t2

    Ratio of the $p_{\rm T}$ differential cross sections of $\Xi_{\rm c}^{0}$ baryons (multiplied by the branching ratio into the semileptonic...

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