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\usepackage{babel}
\begin{document}


\title[Polarized and unpolarized PDF's~~~~~~~~~~~~~SMU, 2013]{Polarized and unpolarized PDF's}


\subtitle{QCD analysis on DIS data}


\author[ali]{Ali %\inst{1} \and S.~Another\inst{2}
}

\institute[Semnan Universities]{\inst{1}Physics Department of Semnan
university, Semnan, Iran \and \inst{2}School of Particles and
Accelerators, Institute for Research in Fundamental Sciences (IPM),
Tehran, Iran \and \inst{3}Stanford Institute for Theoretical
Physics, Stanford University, Stanford, CA, USA}

\date[May, 20, 2013]{Department of Physics, Southern Methodist University}

\makebeamertitle

%\pgfdeclareimage[height=0.5cm]{institution-logo}{institution-logo-filename}

%\logo{\pgfuseimage{institution-logo}}



\AtBeginSubsection[]{
  \frame<beamer>{
    \frametitle{Outline}
    \tableofcontents[currentsection,currentsubsection]
  }
}
%\beamerdefaultoverlayspecification{<+->}

\lyxframeend{}\lyxframe{Outline} \tableofcontents{}

\lyxframeend{}\section{PART 1: Polarized Structure Function}

\lyxframeend{}\subsection[Motivation]{Motivation}

%\lyxframeend{}\lyxframe{Polarized case}

\lyxframeend{}\subsection[Why spin physics?]{Why spin physics?}
%\begin{block}
%<1->{}
\begin{itemize}
\item  Spin is a fundamental degree of freedom originated from the
space-time symmetry.
\item Spin plays a critical role in determining the basic structure of
fundamental interactions.
\item Test of a theory is not complete without a full test of
spin-dependent decays and scattering.
\item Spin provides a unique opportunity to probe the inner structure of a
composite system (such as the proton) and hence testing our ability
to understand the working of non-perturbative QCD.
\end{itemize}
%\end{block}


\lyxframeend{}\lyxframe{Remarkable experimental progress in QCD spin
physics in the last 20 years}
\begin{exampleblock}
{1-Inclusive spin-dependent}
\begin{tabular}{ll}
  %\hline
  % after \\: \hline or \cline{col1-col2} \cline{col3-col4} ...
  DIS -EMC, SMC,COMPASS & E142,E143,E154,E156 \\
  HERMES & Jlab-Hall A, B(CLAS) \\
  %\hline
\end{tabular}
\end{exampleblock}
\begin{exampleblock}
{2-Semi-inclusive DIS}
\begin{tabular}{lll}
  SMC ~~~~~~~~~~~~& COMPASS ~~~~~~~~~~~~& HERMES
\end{tabular}
\end{exampleblock}
\begin{exampleblock}
{3-Polarized pp collisions}
\begin{tabular}{lll}
 RHIC ~~~~~~~~~~~~& PHENIX ~~~~~~~~~~~~& STAR
\end{tabular}
 \end{exampleblock}


\lyxframeend{}\subsection[PPDFs]{Polarized parton distribution
functions} When the proton (or neutron) is polarized, the quarks and
gluons are polarized as well

\begin{topcolumns}{}
\column{7cm} $\newline \delta
q(x,Q^{2})=q_{+}(x,Q^{2})-q_{-}(x,Q^{2}). \newline$
%\column{2cm} this is a test
\end{topcolumns}{}

Polarized PDF can be extracted from the experimental data using the
 QCD fits.


%\lyxframeend{}\subsection[Orbital angular momentum and
%   GPDs]{Orbital angular momentum and
%   Generalized parton distributions (GPDs)}

\lyxframeend{}\subsection[Spin structure of the proton]{Spin
structure of the proton}

%\lyxframeend{}\subsection[Transverse single-spin
%asymmetries]{Transverse single-spin asymmetries}

\lyxframeend{}\subsection[Conclusion]{Conclusion }




\lyxframeend{}
\end{document}


%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\begin{topcolumns}{test}
\column{6cm} $\delta q(x,Q^{2})=q_{+}(x,Q^{2})-q_{-}(x,Q^{2}).$
\column{3cm} this is a test
\newline
\end{topcolumns}%{}
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\framesubtitle{Polarized case}

\lyxframeend{}\lyxframe{A title please}
\begin{exampleblock}
<2->{Alinaghi}
\begin{itemize}
\item $e^{i\pi}=-1$.
\item $e^{i\pi/2}=i$.
\end{itemize}
\end{exampleblock}
\begin{figure}
\includegraphics[angle=0, width=3.20cm]{QCDFit-p.eps}% Here is how to import EPS art
\caption{\label{fig:1}{\sf The structure function $F_2^p$.} }
\end{figure}

%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\lyxframeend{}\subsection[Polarized Parton distributions]{Polarized
PDFs}


\lyxframeend{}\lyxframe{Polarized case }
\begin{block}
<1->{}
\begin{itemize}
\item Spin is a fundamental degree of freedom originated from the
space-time symmetry. \pause{}

\item Spin plays a critical role in determining the basic structure of
fundamental interactions. \pause{}

\item Test of a theory is not complete without a full test of
spin-dependent decays and scattering. \pause{}

\item Spin provides a
unique opportunity to probe the inner structure of a composite
system (such as the proton). \pause{}

\item
\pause{}
\item
\pause{}
\end{itemize}
\end{block}
\begin{example}%{}
<1->$1/2 \Delta \Sigma+ \Delta g+ L_z=1/2$.
\end{example}%{}

%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

\lyxframeend{}\section{PART2: Unpolarized PDFs}

\lyxframeend{}\subsection[Polarized Structure Functions]{polarized
SFs}

\lyxframeend{}\lyxframe{Polarized case.}

\lyxframeend{}\section{Our Results/Contribution}