Appendix_sys.tex

\clearpage
\section{Appendix -- Systematic Uncertainty Studies}\label{append:systematics}

\subsection{Barlow check for systematic studies (Nuclear modification factor analysis)}
\label{appe:barlow_RpPb}

\subsubsection{Number of TPC clusters ($N_{\rm{clust}}^{\rm{TPC}} \geq x$)}
\label{subsub:appe_sys_RpPb_NTPCclust}

 \begin{itemize}
      \item 80(Default), 90, 100, 110
      
            \begin{figure}[H]
      	\begin{minipage}{0.33\hsize} 
      	\begin{center}
      	\includegraphics[width=1\linewidth]{figures/Appe_sysRpPb/Sys_incyield_TPCNclust_70}
      	\end{center}
      	\end{minipage}
      	\begin{minipage}{0.33\hsize} 
      	\begin{center}
      	\includegraphics[width=1\linewidth]{figures/Appe_sysRpPb/Sys_incyield_TPCNclust_90}
      	\end{center}
      	\end{minipage}
      	\begin{minipage}{0.33\hsize} 
      	\begin{center}
      	\includegraphics[width=1\linewidth]{figures/Appe_sysRpPb/Sys_incyield_TPCNclust_100}
      	\end{center}
      	\end{minipage}
      \caption{[inclusive electrons spectra] Number of TPC clusters}
      \label{fig:Sys_TPCNclust}
      \end{figure}
      
      \begin{figure}[H]
      	\begin{minipage}{0.33\hsize} 
      	\begin{center}
      	\includegraphics[width=1\linewidth]{figures/Appe_sysRpPb/Sys_barlow_TPCNclust_70}
      	\end{center}
      	\end{minipage}
      	\begin{minipage}{0.33\hsize} 
      	\begin{center}
      	\includegraphics[width=1\linewidth]{figures/Appe_sysRpPb/Sys_barlow_TPCNclust_90}
      	\end{center}
      	\end{minipage}
      	\begin{minipage}{0.33\hsize} 
      	\begin{center}
      	\includegraphics[width=1\linewidth]{figures/Appe_sysRpPb/Sys_barlow_TPCNclust_100}
      	\end{center}
      	\end{minipage}
      \caption{[Barlow plots] Number of TPC clusters}
      \label{fig:Sys_TPCNclust}
      \end{figure}
      
 \end{itemize}
 
 
 \subsubsection{Number of Crossed Rows ($N_{\rm{CrossedRows}} \geq x$)}
\label{subsub:appe_sys_RpPb_NCrossedRows}

 \begin{itemize}
      \item 100(Default), 90, 110, 120
      
            \begin{figure}[H]
      	\begin{minipage}{0.33\hsize} 
      	\begin{center}
      	\includegraphics[width=1\linewidth]{figures/Appe_sysRpPb/Sys_incyield_NCrossedRows_90}
      	\end{center}
      	\end{minipage}
      	\begin{minipage}{0.33\hsize} 
      	\begin{center}
      	\includegraphics[width=1\linewidth]{figures/Appe_sysRpPb/Sys_incyield_NCrossedRows_110}
      	\end{center}
      	\end{minipage}
      	\begin{minipage}{0.33\hsize} 
      	\begin{center}
      	\includegraphics[width=1\linewidth]{figures/Appe_sysRpPb/Sys_incyield_NCrossedRows_120}
      	\end{center}
      	\end{minipage}
      \caption{[inclusive electrons spectra] Number of Crossed Rows}
      \label{fig:Sys_TPCNclust}
      \end{figure}
      
      \begin{figure}[H]
      	\begin{minipage}{0.33\hsize} 
      	\begin{center}
      	\includegraphics[width=1\linewidth]{figures/Appe_sysRpPb/Sys_barlow_NCrossedRows_90}
      	\end{center}
      	\end{minipage}
      	\begin{minipage}{0.33\hsize} 
      	\begin{center}
      	\includegraphics[width=1\linewidth]{figures/Appe_sysRpPb/Sys_barlow_NCrossedRows_110}
      	\end{center}
      	\end{minipage}
      	\begin{minipage}{0.33\hsize} 
      	\begin{center}
      	\includegraphics[width=1\linewidth]{figures/Appe_sysRpPb/Sys_barlow_NCrossedRows_120}
      	\end{center}
      	\end{minipage}
      \caption{[Barlow plots] Number of Crossed Rows}
      \label{fig:Sys_TPCNclust}
      \end{figure}
      
 \end{itemize}


\subsubsection{Number of ITS clusters ($N_{\rm{clust}}^{\rm{ITS}} \geq x$)}
\label{subsub:appe_sys_RpPb_NITSclust}

 \begin{itemize}
      \item 3(Default), 2, 4
      
            \begin{figure}[H]
      	\begin{minipage}{0.5\hsize} 
      	\begin{center}
      	\includegraphics[width=0.7\linewidth]{figures/Appe_sysRpPb/Sys_incyield_ITSNclust_2}
      	\end{center}
      	\end{minipage}
      	\begin{minipage}{0.5\hsize} 
      	\begin{center}
      	\includegraphics[width=0.7\linewidth]{figures/Appe_sysRpPb/Sys_incyield_ITSNclust_4}
      	\end{center}
      	\end{minipage}
      \caption{[inclusive electrons spectra] Number of ITS clusters}
      \label{fig:Sys_ITSclust}
      \end{figure}
      
      \begin{figure}[H]
      	\begin{minipage}{0.5\hsize} 
      	\begin{center}
      	\includegraphics[width=0.7\linewidth]{figures/Appe_sysRpPb/Sys_barlow_ITSNclust_2}
      	\end{center}
      	\end{minipage}
      	\begin{minipage}{0.5\hsize} 
      	\begin{center}
      	\includegraphics[width=0.7\linewidth]{figures/Appe_sysRpPb/Sys_barlow_ITSNclust_4}
      	\end{center}
      	\end{minipage}
      \caption{[Barlow plots] Number of ITS clusters}
      \label{fig:Sys_ITSNclust}
      \end{figure}
      
 \end{itemize}


\subsubsection{$n_{\sigma}^{\rm{TPC}}$ cut ($x < n_{\sigma}^{\rm{TPC}} < 3 $)}
\label{subsub:appe_sys_RpPb_TPCnsigma}

 \begin{itemize}
      \item -1(Default), -1.5, -1.25, -0.75, -0.5
   
     \begin{figure}[H]
     \begin{minipage}{0.5\hsize} 
     \begin{center}
     \includegraphics[width=0.7\linewidth]{figures/Appe_sysRpPb/Sys_incyield_NsigmaLow_minus1_5}
     \end{center}
     \end{minipage}
     \begin{minipage}{0.5\hsize} 
     \begin{center}
     \includegraphics[width=0.7\linewidth]{figures/Appe_sysRpPb/Sys_incyield_NsigmaLow_minus1_25}
     \end{center}
     \end{minipage}
     \caption{[inclusive electrons spectra] $n_{\sigma}^{\rm{TPC}}$ cut}
     \label{fig:Sys_TPCNsigma}
     \end{figure}
      
      \begin{figure}[H]
      \begin{minipage}{0.5\hsize} 
      \begin{center}
      \includegraphics[width=0.7\linewidth]{figures/Appe_sysRpPb/Sys_incyield_NsigmaLow_minus0_75}
      \end{center}
      \end{minipage}
      \begin{minipage}{0.5\hsize} 
      \begin{center}
      \includegraphics[width=0.7\linewidth]{figures/Appe_sysRpPb/Sys_incyield_NsigmaLow_minus0_5}
      \end{center}
      \end{minipage}
      \caption{[inclusive electrons spectra] $n_{\sigma}^{\rm{TPC}}$ cut}
      \label{fig:Sys_TPCNsigma}
      \end{figure}
      
           \begin{figure}[H]
     \begin{minipage}{0.5\hsize} 
     \begin{center}
     \includegraphics[width=0.7\linewidth]{figures/Appe_sysRpPb/Sys_barlow_NsigmaLow_minus1_5}
     \end{center}
     \end{minipage}
     \begin{minipage}{0.5\hsize} 
     \begin{center}
     \includegraphics[width=0.7\linewidth]{figures/Appe_sysRpPb/Sys_barlow_NsigmaLow_minus1_25}
     \end{center}
     \end{minipage}
     \caption{[Barlow plots] $n_{\sigma}^{\rm{TPC}}$ cut}
     \label{fig:Sys_TPCNsigma}
     \end{figure}
      
      \begin{figure}[H]
      \begin{minipage}{0.5\hsize} 
      \begin{center}
      \includegraphics[width=0.7\linewidth]{figures/Appe_sysRpPb/Sys_barlow_NsigmaLow_minus0_75}
      \end{center}
      \end{minipage}
      \begin{minipage}{0.5\hsize} 
      \begin{center}
      \includegraphics[width=0.7\linewidth]{figures/Appe_sysRpPb/Sys_barlow_NsigmaLow_minus0_5}
      \end{center}
      \end{minipage}
      \caption{[Barlow plots] $n_{\sigma}^{\rm{TPC}}$ cut}
      \label{fig:Sys_TPCNsigma}
      \end{figure}
      
  \end{itemize}
      
\subsubsection{Shower shape cut ($0.02 < \rm{M_{20}} < x $)}
\label{subsub:appe_sys_RpPb_M20}

 \begin{itemize}
      \item 0.3(Default), 0.25, 0.35, 0.4
      
            \begin{figure}[H]
      	\begin{minipage}{0.33\hsize} 
      	\begin{center}
      	\includegraphics[width=1\linewidth]{figures/Appe_sysRpPb/Sys_incyield_M20_0_25}
      	\end{center}
      	\end{minipage}
      	\begin{minipage}{0.33\hsize} 
      	\begin{center}
      	\includegraphics[width=1\linewidth]{figures/Appe_sysRpPb/Sys_incyield_M20_0_35}
      	\end{center}
      	\end{minipage}
      	\begin{minipage}{0.33\hsize} 
      	\begin{center}
      	\includegraphics[width=1\linewidth]{figures/Appe_sysRpPb/Sys_incyield_M20_0_4}
      	\end{center}
      	\end{minipage}
      \caption{[inclusive electrons spectra] Shower shape cut}
      \label{fig:Sys_M20}
      \end{figure}
      
      \begin{figure}[H]
      	\begin{minipage}{0.33\hsize} 
      	\begin{center}
      	\includegraphics[width=1\linewidth]{figures/Appe_sysRpPb/Sys_barlow_M20_0_25}
      	\end{center}
      	\end{minipage}
      	\begin{minipage}{0.33\hsize} 
      	\begin{center}
      	\includegraphics[width=1\linewidth]{figures/Appe_sysRpPb/Sys_barlow_M20_0_35}
      	\end{center}
      	\end{minipage}
      	\begin{minipage}{0.33\hsize} 
      	\begin{center}
      	\includegraphics[width=1\linewidth]{figures/Appe_sysRpPb/Sys_barlow_M20_0_4}
      	\end{center}
      	\end{minipage}
      \caption{[Barlow plots] Shower shape cut}
      \label{fig:Sys_M20}
      \end{figure}
      
 \end{itemize}
 
 
 \subsubsection{$E/p$ cut ($x < E/p < 1.2 $)}
\label{subsub:appe_sys_RpPb_EopLow}

 \begin{itemize}
      \item 0.8(Default), 0.76, 0.78, 0.82, 0.84
      
     \begin{figure}[H]
     \begin{minipage}{0.5\hsize} 
     \begin{center}
     \includegraphics[width=0.7\linewidth]
		{figures/Appe_sysRpPb/Sys_incyield_EopLow_0_76}
     \end{center}
     \end{minipage}
     \begin{minipage}{0.5\hsize} 
     \begin{center}
     \includegraphics[width=0.7\linewidth]
		{figures/Appe_sysRpPb/Sys_incyield_EopLow_0_78}
     \end{center}
     \end{minipage}
     \caption{[inclusive electrons spectra] $E/p$ cut}
     \label{fig:Sys_TPCNsigma}
     \end{figure}
      
      \begin{figure}[H]
      \begin{minipage}{0.5\hsize} 
      \begin{center}
      \includegraphics[width=0.7\linewidth]
		{figures/Appe_sysRpPb/Sys_incyield_EopLow_0_82}
      \end{center}
      \end{minipage}
      \begin{minipage}{0.5\hsize} 
      \begin{center}
      \includegraphics[width=0.7\linewidth]
		{figures/Appe_sysRpPb/Sys_incyield_EopLow_0_84}
      \end{center}
      \end{minipage}
      \caption{[inclusive electrons spectra] $E/p$ cut}
      \label{fig:Sys_TPCNsigma}
      \end{figure}
      
           \begin{figure}[H]
     \begin{minipage}{0.5\hsize} 
     \begin{center}
     \includegraphics[width=0.7\linewidth]{figures/Appe_sysRpPb/Sys_barlow_EopLow_0_76}
     \end{center}
     \end{minipage}
     \begin{minipage}{0.5\hsize} 
     \begin{center}
     \includegraphics[width=0.7\linewidth]{figures/Appe_sysRpPb/Sys_barlow_EopLow_0_78}
     \end{center}
     \end{minipage}
     \caption{[Barlow plots] $E/p$ cut}
     \label{fig:Sys_EopLow}
     \end{figure}
      
      \begin{figure}[H]
      \begin{minipage}{0.5\hsize} 
      \begin{center}
      \includegraphics[width=0.7\linewidth]{figures/Appe_sysRpPb/Sys_barlow_EopLow_0_82}
      \end{center}
      \end{minipage}
      \begin{minipage}{0.5\hsize} 
      \begin{center}
      \includegraphics[width=0.7\linewidth]{figures/Appe_sysRpPb/Sys_barlow_EopLow_0_82}
      \end{center}
      \end{minipage}
      \caption{[Barlow plots] $E/p$ cut}
      \label{fig:Sys_EopLow}
      \end{figure}
      
  \end{itemize}


\subsubsection{$E/p$ cut ($0.8 < E/p < x $)}
\label{subsub:appe_sys_RpPb_EopHigh}

 \begin{itemize}
      \item 1.2(Default), 1.15, 1.25, 1.3
      
            \begin{figure}[H]
      	\begin{minipage}{0.33\hsize} 
      	\begin{center}
      	\includegraphics[width=1\linewidth]{figures/Appe_sysRpPb/Sys_incyield_EopHigh_1_15}
      	\end{center}
      	\end{minipage}
      	\begin{minipage}{0.33\hsize} 
      	\begin{center}
      	\includegraphics[width=1\linewidth]{figures/Appe_sysRpPb/Sys_incyield_EopHigh_1_25}
      	\end{center}
      	\end{minipage}
      	\begin{minipage}{0.33\hsize} 
      	\begin{center}
      	\includegraphics[width=1\linewidth]{figures/Appe_sysRpPb/Sys_incyield_EopHigh_1_3}
      	\end{center}
      	\end{minipage}
      \caption{[inclusive electrons spectra] $E/p$ cut}
      \label{fig:Sys_EopHigh}
      \end{figure}
      
      \begin{figure}[H]
      	\begin{minipage}{0.33\hsize} 
      	\begin{center}
      	\includegraphics[width=1\linewidth]{figures/Appe_sysRpPb/Sys_barlow_EopHigh_1_15}
      	\end{center}
      	\end{minipage}
      	\begin{minipage}{0.33\hsize} 
      	\begin{center}
      	\includegraphics[width=1\linewidth]{figures/Appe_sysRpPb/Sys_barlow_EopHigh_1_25}
      	\end{center}
      	\end{minipage}
      	\begin{minipage}{0.33\hsize} 
      	\begin{center}
      	\includegraphics[width=1\linewidth]{figures/Appe_sysRpPb/Sys_barlow_EopHigh_1_3}
      	\end{center}
      	\end{minipage}
      \caption{[Barlow plots] $E/p$ cut}
      \label{fig:Sys_EopHigh}
      \end{figure}
      
 \end{itemize}
 
 
 \subsubsection{Minimum $p_{\rm{T}}^{\rm{asso}}$ ($p_{\rm{T}}^{\rm{asso}} > x$)}
\label{subsub:appe_sys_RpPb_MinpT}

 \begin{itemize}
      \item 0.1 GeV/$c$(Default), 0, 0.05, 0.15, 0.2, 0.25, 0.3 
      
      \begin{figure}[H]
      	\begin{minipage}{0.33\hsize} 
      	\begin{center}
      	\includegraphics[width=1\linewidth]{figures/Appe_sysRpPb/Sys_HFEyield_minpT_0}
      	\end{center}
      	\end{minipage}
      	\begin{minipage}{0.33\hsize} 
      	\begin{center}
      	\includegraphics[width=1\linewidth]{figures/Appe_sysRpPb/Sys_HFEyield_minpT_0_05}
      	\end{center}
      	\end{minipage}
      	\begin{minipage}{0.33\hsize} 
      	\begin{center}
      	\includegraphics[width=1\linewidth]{figures/Appe_sysRpPb/Sys_HFEyield_minpT_0_15}
      	\end{center}
      	\end{minipage}
      \caption{[heavy-flavour electrons spectra] Minimum $p_{\rm{T}}^{\rm{asso}}$}
      \label{fig:Sys_MinpT}
      \end{figure}
      
            \begin{figure}[H]
      	\begin{minipage}{0.33\hsize} 
      	\begin{center}
      	\includegraphics[width=1\linewidth]{figures/Appe_sysRpPb/Sys_HFEyield_minpT_0_2}
      	\end{center}
      	\end{minipage}
      	\begin{minipage}{0.33\hsize} 
      	\begin{center}
      	\includegraphics[width=1\linewidth]{figures/Appe_sysRpPb/Sys_HFEyield_minpT_0_25}
      	\end{center}
      	\end{minipage}
      	\begin{minipage}{0.33\hsize} 
      	\begin{center}
      	\includegraphics[width=1\linewidth]{figures/Appe_sysRpPb/Sys_HFEyield_minpT_0_3}
      	\end{center}
      	\end{minipage}
      \caption{[heavy-flavour electrons spectra] Minimum $p_{\rm{T}}^{\rm{asso}}$}
      \label{fig:Sys_MinpT}
      \end{figure}
      
      \begin{figure}[H]
      	\begin{minipage}{0.33\hsize} 
      	\begin{center}
      	\includegraphics[width=1\linewidth]{figures/Appe_sysRpPb/Sys_barlow_minpT_0}
      	\end{center}
      	\end{minipage}
      	\begin{minipage}{0.33\hsize} 
      	\begin{center}
      	\includegraphics[width=1\linewidth]{figures/Appe_sysRpPb/Sys_barlow_minpT_0_05}
      	\end{center}
      	\end{minipage}
      	\begin{minipage}{0.33\hsize} 
      	\begin{center}
      	\includegraphics[width=1\linewidth]{figures/Appe_sysRpPb/Sys_Barlow_minpT_0_15}
      	\end{center}
      	\end{minipage}
      \caption{[Barlow plots] Minimum $p_{\rm{T}}^{\rm{asso}}$}
      \label{fig:Sys_MinpT}
      \end{figure}
      
      \begin{figure}[H]
      	\begin{minipage}{0.33\hsize} 
      	\begin{center}
      	\includegraphics[width=1\linewidth]{figures/Appe_sysRpPb/Sys_Barlow_minpT_0_2}
      	\end{center}
      	\end{minipage}
      	\begin{minipage}{0.33\hsize} 
      	\begin{center}
      	\includegraphics[width=1\linewidth]{figures/Appe_sysRpPb/Sys_Barlow_minpT_0_25}
      	\end{center}
      	\end{minipage}
      	\begin{minipage}{0.33\hsize} 
      	\begin{center}
      	\includegraphics[width=1\linewidth]{figures/Appe_sysRpPb/Sys_Barlow_minpT_0_3}
      	\end{center}
      	\end{minipage}
      \caption{[Barlow plots] Minimum $p_{\rm{T}}^{\rm{asso}}$}
      \label{fig:Sys_MinpT}
      \end{figure}
      
 \end{itemize}


 \subsubsection{Invariant mass ($M_{ee} < x$)}
\label{subsub:appe_sys_RpPb_Mass}

 \begin{itemize}
      \item 0.14 GeV/$c^2$(Default), 0.1, 0.12, 0.16, 0.18
      
     \begin{figure}[H]
     \begin{minipage}{0.5\hsize} 
     \begin{center}
     \includegraphics[width=0.7\linewidth]
		{figures/Appe_sysRpPb/Sys_HFEyield_Mass_0_10}
     \end{center}
     \end{minipage}
     \begin{minipage}{0.5\hsize} 
     \begin{center}
     \includegraphics[width=0.7\linewidth]
		{figures/Appe_sysRpPb/Sys_HFEyield_Mass_0_12}
     \end{center}
     \end{minipage}
     \caption{[heavy-flavour electrons spectra] Invariant mass}
     \label{fig:Sys_Mass}
     \end{figure}
      
      \begin{figure}[H]
      \begin{minipage}{0.5\hsize} 
      \begin{center}
      \includegraphics[width=0.7\linewidth]
		{figures/Appe_sysRpPb/Sys_HFEyield_Mass_0_16}
      \end{center}
      \end{minipage}
      \begin{minipage}{0.5\hsize} 
      \begin{center}
      \includegraphics[width=0.7\linewidth]
		{figures/Appe_sysRpPb/Sys_HFEyield_Mass_0_18}
      \end{center}
      \end{minipage}
      \caption{[heavy-flavour electrons spectra] Invariant mass}
      \label{fig:Sys_Mass}
      \end{figure}
      
           \begin{figure}[H]
     \begin{minipage}{0.5\hsize} 
     \begin{center}
     \includegraphics[width=0.7\linewidth]{figures/Appe_sysRpPb/Sys_Barlow_Mass_0_10}
     \end{center}
     \end{minipage}
     \begin{minipage}{0.5\hsize} 
     \begin{center}
     \includegraphics[width=0.7\linewidth]{figures/Appe_sysRpPb/Sys_Barlow_Mass_0_12}
     \end{center}
     \end{minipage}
     \caption{[Barlow plots] Invariant mass}
     \label{fig:Sys_Mass}
     \end{figure}
      
      \begin{figure}[H]
      \begin{minipage}{0.5\hsize} 
      \begin{center}
      \includegraphics[width=0.7\linewidth]{figures/Appe_sysRpPb/Sys_Barlow_Mass_0_16}
      \end{center}
      \end{minipage}
      \begin{minipage}{0.5\hsize} 
      \begin{center}
      \includegraphics[width=0.7\linewidth]{figures/Appe_sysRpPb/Sys_Barlow_Mass_0_18}
      \end{center}
      \end{minipage}
      \caption{[Barlow plots] Invariant mass}
      \label{fig:Sys_Mass}
      \end{figure}
      
  \end{itemize}
  
  
   \subsubsection{Hadron subtraction}
\label{subsub:appe_sys_RpPb_hadron}

 \begin{itemize}
      \item $E/p$ range for calculating scale factor is shifted between $\pm 0.025, 0.05, 0.075, 0.1$
      
     \begin{figure}[H]
     \begin{minipage}{0.5\hsize} 
     \begin{center}
     \includegraphics[width=0.7\linewidth]
		{figures/Appe_sysRpPb/Sys_incyield_hadron_minus0_025}
     \end{center}
     \end{minipage}
     \begin{minipage}{0.5\hsize} 
     \begin{center}
     \includegraphics[width=0.7\linewidth]
		{figures/Appe_sysRpPb/Sys_incyield_hadron_plus0_025}
     \end{center}
     \end{minipage}
     \caption{[inclusive electrons spectra] hadron subtraction}
     \label{fig:Sys_hadron}
     \end{figure}
     
     \begin{figure}[H]
     \begin{minipage}{0.5\hsize} 
     \begin{center}
     \includegraphics[width=0.7\linewidth]
		{figures/Appe_sysRpPb/Sys_incyield_hadron_minus0_05}
     \end{center}
     \end{minipage}
     \begin{minipage}{0.5\hsize} 
     \begin{center}
     \includegraphics[width=0.7\linewidth]
		{figures/Appe_sysRpPb/Sys_incyield_hadron_plus0_05}
     \end{center}
     \end{minipage}
     \caption{[inclusive electrons spectra] hadron subtraction}
     \label{fig:Sys_hadron}
     \end{figure}
     
     \begin{figure}[H]
     \begin{minipage}{0.5\hsize} 
     \begin{center}
     \includegraphics[width=0.7\linewidth]
		{figures/Appe_sysRpPb/Sys_incyield_hadron_minus0_075}
     \end{center}
     \end{minipage}
     \begin{minipage}{0.5\hsize} 
     \begin{center}
     \includegraphics[width=0.7\linewidth]
		{figures/Appe_sysRpPb/Sys_incyield_hadron_plus0_075}
     \end{center}
     \end{minipage}
     \caption{[inclusive electrons spectra] hadron subtraction}
     \label{fig:Sys_hadron}
     \end{figure}
     
     \begin{figure}[H]
     \begin{minipage}{0.5\hsize} 
     \begin{center}
     \includegraphics[width=0.7\linewidth]
		{figures/Appe_sysRpPb/Sys_incyield_hadron_minus0_1}
     \end{center}
     \end{minipage}
     \begin{minipage}{0.5\hsize} 
     \begin{center}
     \includegraphics[width=0.7\linewidth]
		{figures/Appe_sysRpPb/Sys_incyield_hadron_plus0_1}
     \end{center}
     \end{minipage}
     \caption{[inclusive electrons spectra] hadron subtraction}
     \label{fig:Sys_hadron}
     \end{figure}
      
      \begin{figure}[H]
     \begin{minipage}{0.5\hsize} 
     \begin{center}
     \includegraphics[width=0.7\linewidth]{figures/Appe_sysRpPb/Sys_Barlow_hadron_minus0_025}
     \end{center}
     \end{minipage}
     \begin{minipage}{0.5\hsize} 
     \begin{center}
     \includegraphics[width=0.7\linewidth]{figures/Appe_sysRpPb/Sys_Barlow_hadron_plus0_025}
     \end{center}
     \end{minipage}
     \caption{[Barlow plots] hadron subtraction}
     \label{fig:Sys_hadron}
     \end{figure}
     
     \begin{figure}[H]
     \begin{minipage}{0.5\hsize} 
     \begin{center}
     \includegraphics[width=0.7\linewidth]{figures/Appe_sysRpPb/Sys_Barlow_hadron_minus0_05}
     \end{center}
     \end{minipage}
     \begin{minipage}{0.5\hsize} 
     \begin{center}
     \includegraphics[width=0.7\linewidth]{figures/Appe_sysRpPb/Sys_Barlow_hadron_plus0_05}
     \end{center}
     \end{minipage}
     \caption{[Barlow plots] hadron subtraction}
     \label{fig:Sys_hadron}
     \end{figure}
     
     \begin{figure}[H]
     \begin{minipage}{0.5\hsize} 
     \begin{center}
     \includegraphics[width=0.7\linewidth]{figures/Appe_sysRpPb/Sys_Barlow_hadron_minus0_075}
     \end{center}
     \end{minipage}
     \begin{minipage}{0.5\hsize} 
     \begin{center}
     \includegraphics[width=0.7\linewidth]{figures/Appe_sysRpPb/Sys_Barlow_hadron_plus0_075}
     \end{center}
     \end{minipage}
     \caption{[Barlow plots] hadron subtraction}
     \label{fig:Sys_hadron}
     \end{figure}
     
     \begin{figure}[H]
     \begin{minipage}{0.5\hsize} 
     \begin{center}
     \includegraphics[width=0.7\linewidth]{figures/Appe_sysRpPb/Sys_Barlow_hadron_minus0_1}
     \end{center}
     \end{minipage}
     \begin{minipage}{0.5\hsize} 
     \begin{center}
     \includegraphics[width=0.7\linewidth]{figures/Appe_sysRpPb/Sys_Barlow_hadron_plus0_1}
     \end{center}
     \end{minipage}
     \caption{[Barlow plots] hadron subtraction}
     \label{fig:Sys_hadron}
     \end{figure}
      
      
  \end{itemize}