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pT-differential yield ratios K*0/K0S and phi/K0S in pp Collisions at 13 TeV

Figure Information
Scope: PWG
PWG-LF (Light Flavour Spectra)
Energy
13 TeV
System
p-p
Figure Group
Paper Figures: Multiplicity dependence of K*(892)0 and phi(1020) production in pp collisions at 13 TeV [CERN-EP-2019-245]
Figure Image
Figure image (.eps)
2019-10-31-pt_differential_ratio.eps
Figure image (.pdf)
2019-10-31-2019-10-31-pt_differential_ratio.pdf
Figure Caption

Figure 6: Ratios of particle yields K*$^{0}$/K$^{0}_{\mathrm{S}}$ and $\phi$/K$^{0}_{\mathrm{S}}$ as functions of $p_{\mathrm{T}}$ [arXiv:1908.01861] for low (X) and high (II) multiplicity classes. The middle panels show the double ratios: the measurements in class II divided by those in class X. The significance of the deviations of the double ratios from unity is plotted in the lower panels, with dashed lines indicating a deviation at the 3$\sigma$ level. Bars represent the statistical uncertainties, while boxes represent the part of the systematic uncertainty that is uncorrelated between multiplicity classes II and X.

Detail description

Data sample: LHC15f, pass2, ESDs

Simulations: LHC15g3a3, LHC15g3c3, LHC16d3

Event selection: Physics Selection, |vz|<10 cm, other standard event-selection cuts for PWG-LF 13-TeV analyses (AliMultSelectionTask)

Track Cuts: standard ITS/TPC track cuts 2011

PID: TPC, TOF veto

Keywords: yield ratio, K*0 meson, phi meson, kaon, resonances, multiplicity dependence, small systems