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% Title
\title{Material Studies with electrons using sampling energies}

% Author
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%\author{The ATLAS Collaboration}

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\renewcommand\Affilfont{\itshape\small} % affiliation formatting

\author[a]{Marumi Kado}
\author[a]{Narei Lorenzo Martinez}
\author[a]{Laurent Serin}

\affil[a]{Laboratoire de l'Accélérateur Linéaire}


% Date: if not given, uses current date
%\date{\today}

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% Journal: adds a 
%\journal{Phys. Lett. B} 

% Abstract
\abstracttext{
  This is the abstract
}

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\begin{document}

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\section{Introduction}

Place your content here

\section{Framework}
	\subsection{The samples used, the selection applied, the different distorded geometries}
	\subsection{Definition of the observables used in the study}
Etot= λ(off +w0EPS +Estrips +Emiddle +w3Eback)
λ, off, w0 and w3 are estimated by a complete simulation of the detector
f0 = (off +w0EPS)/(EPS+Estrips+Emiddle+Eback)
E1/E2   = Estrips/Emiddle

f0 and E1/E2 measure the energy lost upstream of the calorimeter. Another way to see it is that fo describes how early has started the shower
E1/E2 is sensitive to the material upstream of the calorimeter and to the material between accordion and Presampler.
f0 is sensitive to the material upstream of the calorimeter and to the presampler energy scale  
Using E1/E2 and f0 we can try to constrain the material upstream of the calorimeter and the PS energy scale 

\section{deep look at sampling energies and their evolutions along eta}
	\subsection{Barrel}
		\subsubsection{calibration problem around eta=0.3}
		\subsubsection{like material effect around eta=0.6}
		\subsubsection{Out of cone showering for E1 and E2}
		\subsubsection{Effect of energy Corrections (alpha_i)}
		\subsubsection{Effect of the trackz0 cut}
		\subsubsection{Comparison between Release 15 and 16}
	\subsection{Endcap}
		\subsubsection{HV problem in E2 ?}
		\subsubsection{Cross talk between sampling 2 and 3 in the endcap}
		\subsubsection{Comparison between Release 15 and 16}
  
\section{deep look at sampling energies and their evolutions along phi}
	\subsection{ID rails}
	\subsection{Cables and mother board}
	\subsection{ID services}
	
\section{E1/E2 and f0}
	\subsection{Presampler energy scale}
	\subsection{material between presampler and strips}

\section{Quantification of the amount of material upstream of the calorimeter}
	\subsection{Sensitivity of the two observables}
	\subsection{The method}
		\subsubsection{CL interval}
		\subsubsection{Dependance of the calibration with energy,eta and location of material}
	\subsection{Proof of principle with toy MC studies}
	\subsection{Complementary studies with photons conversions}
	

\section{Conclusion}

Place your content here

\end{document}