Signal extractionnal extraction via TPC $n^\mathrm{TPC}_\sigma(^3\mathrm{H})$ distribution

Scope: PWG
PWG-LF (Light Flavour Spectra)
Energy
5.02 TeV
System
p-Pb
Figure Image
Figure image (.eps)
Figure Caption

Figure 1b: The distribution of the specific ionization energy loss (d$E$/d$x$) in the TPC of the candidate tracks compared to the expected value for $^3$H($n_\sigma^\mathrm{TPC}$) in the $p_\mathrm{T}$ range of 2.0 GeV/$c$ $\le \pt < 2.5$ GeV/$c$. The background, which is visible as a slope on the left side of the signal, is fitted with a Gaussian function shown in red to estimate the contamination.

Detail description

Figure 1b: The distribution of the specific ionization energy loss (d$E$/d$x$) in the TPC of the candidate tracks compared to the expected value for $^3$H($n_\sigma^\mathrm{TPC}$) in the $p_\mathrm{T}$ range of 2.0 GeV/$c$ $\le \pt < 2.5$ GeV/$c$. The background, which is visible as a slope on the left side of the signal, is fitted with a Gaussian function shown in red to estimate the contamination.

Data sample: LHC16q_pass1_FAST, LHC16q_pass1_CENT_woSDD