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\begin{titlepage}

% \noindent
% Date:               \\
% Version:            \\
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\begin{flushright}
H1prelim-04-063\\
April 5, 2004
\end{flushright}
\vspace{2cm}

\begin{center}
\begin{Large}

{\bf High $\rm P_T$ analysis of the HERA II data }

\vspace{2cm}

H1 Collaboration

\end{Large}
\end{center}

\vspace{2cm}

\begin{abstract}
\noindent
Preliminary messages for spring conferences 2004 on high $\rm P_T$ analyses of the HERA II data (${\cal L}=17$~pb$^{-1}$) including isolated leptons, multi-electrons and general search for new phenomena. The analyses are identical to those performed on HERA I data (see ~\cite{isol,multie,generic}). 

\end{abstract}

\vspace{1.5cm}


\end{titlepage}

\newpage

\pagestyle{plain}

\section{Multielectron Analysis}
Update of~\cite{multie} with HERA II data (${\cal L}=17$~pb$^{-1}$).


\vspace*{1cm}

\begin{table}[htbp]
\begin{center}
    \begin{tabular}{|c|c|c|c|c|c|}
      \hline
      Selection & Data & SM & Pair Production (GRAPE) & DIS + Compton \\
      \hline                                        
      "2e" & 10 & 15.8 $\pm$ 1.7 & 13.5 $\pm$ 1.4 & 2.3 $\pm$ 0.5\\ 
      "3e" & 2 & 3 $\pm$ 0.4 & 3 $\pm$ 0.4 &  0   \\    
      \hline
    \end{tabular}
\end{center}
\caption{Observed and predicted multi-electron event yields for the di-electron and tri-electron samples. The analysed Hera-II data (2003-2004) data  corresponds to an integrated luminosity of 17 pb$^{-1}$ . The errors on the prediction include model uncertainties and experimental systematic errors added in quadrature.}
\end{table}

\vspace*{3cm}

\begin{figure}[htbp] 
  \begin{center}
      \includegraphics[width=\textwidth]{H1prelim-04-063.fig1.eps}
  \end{center}
  \caption{Distribution of the invariant mass $M_{12}$ of the two higest $P_T$ electrons compared to expectations for events classified as "2e" (left) and "3e" (right). The analysed Hera-II data (2003-2004) data  corresponds to an integrated luminosity of 17 pb$^{-1}$.}
\end{figure} 

\begin{figure}[p] 
  \begin{center}
      \includegraphics[width=\textwidth]{H1prelim-04-063.fig2.eps}
  \end{center}
  \caption{Display of the di-electron event observed with the highest mass $M_{12}$ = 43 GeV in new Hera-II data.}
\end{figure} 


\clearpage
\section{General Search Analysis}
Update of~\cite{generic} with HERA II data (${\cal L}=17$~pb$^{-1}$).

\begin{figure}[hhh] 
  \begin{center}
      \includegraphics[width=16cm,angle=-90]{H1prelim-04-063.fig3.eps}
  \end{center}
  \caption{H1 General Search using the new Hera-II data (2003-2004).
  The analysed data sample corresponds to an integrated luminosity of 17 pb$^{-1}$. The errors on the prediction include model uncertainties and experimental systematic errors added in quadrature.
The event classes with more than 3 jets are placed in a grey area since their SM prediction suffers from larger theoretical uncertainties.}
\end{figure} 

\clearpage

\section{Search for events with isolated leptons \\ and missing transverse momentum }
Update of~\cite{isol} with HERA II data (${\cal L}=17$~pb$^{-1}$).

\begin{figure}[hhh] 
  \begin{center}
      \includegraphics[width=15cm]{H1prelim-04-063.fig4.eps}
  \end{center}
  \caption{The hadronic transverse momentum distribution in the electron
    and muon channels combined data (HERA II, ${\cal L}=17$~pb$^{-1}$) compared with the SM expectation (open
    histogram).  The ``signal'' component of the SM expectation, dominated by       the real $W$ production, is
    given by the hatched histogram. $\rm N_{Data}$ is the total number
    of data events observed for each sample. $\rm N_{SM}$ is the total
    SM expectation.}

\end{figure} 

\clearpage

\begin{figure}[p] 
  \begin{center}
      \includegraphics[width=18cm]{H1prelim-04-063.fig5.eps}
  \end{center}
\begin{picture} (0.,0.)
\setlength{\unitlength}{1.0cm}
\put (0.2,9.05){\bf\Large Event with $e+P_T^{miss}$ in HERA II data }
\put (4.0,8.05){\bf\large $\mathbf P_T^e=47$~GeV}
\put (11.5,2.75){\bf\Large $e^+$} 
\end{picture}

  \caption{Display of an event with an isolated electron and missing transverse momentum - candidate for elastic $W$ production (HERA II data).}

\end{figure} 

\begin{figure}[p] 
  \begin{center}
      \includegraphics[width=18cm]{H1prelim-04-063.fig6.eps}
  \end{center}
\begin{picture} (0.,0.)
\setlength{\unitlength}{1.0cm}
\put (0.2,9.05){\bf\Large Event with $e+P_T^{miss}$ in HERA II data }
\put (0.2,8.05){\bf\large 
$\mathbf P_T^e=37$~GeV, 
$\mathbf P_T^{miss}=44$~GeV, 
$\mathbf P_T^{X}=29$~GeV
}
\put (12.0,2.45){\bf\Large $e^+$} 
\put (15.8,2.95){\bf\Large $X$} 


\end{picture}

  \caption{Display of an event with an isolated electron, missing transverse momentum and a prominent hadronic jet (HERA II data).}

\end{figure} 


\clearpage

\begin{table}[htb]
  \renewcommand{\arraystretch}{2.1}
  \begin{center}
    \begin{tabular}{|l||c|c||c|} \hline
     \hline
     &{\bf \large H1 Data }&{\bf \large SM expectation }&{\bf \large SM Signal } \\ \hline
    \multicolumn{4}{ |l|}{ \large Electron } \\ \hline
      \hline
     { \large Total                    }&{\bf \large 3}&{\bf \large 1.61 $\pm$ 0.29  }&{\bf \large 0.97 $\pm$ 0.29 } \\
      \hline
     { \large $\rm P_T^X$$>$25 GeV             }&{\bf \large 2}&{\bf \large 0.34  $\pm$ 0.07 }&{\bf \large 0.22 $\pm$ 0.05  } \\
     \hline \hline
    \multicolumn{4}{ |l|}{ \large Muon } \\ \hline

      \hline
     { \large  Total                    }&{\bf \large 0}&{\bf \large 0.44 $\pm$ 0.12  }&{\bf \large 0.39 $\pm$ 0.08  } \\
      \hline
      { \large $\rm P_T^X$$>$25 GeV             }&{\bf \large 0}&{\bf \large 0.29  $\pm$ 0.08 }&{\bf \large 0.26 $\pm$ 0.05 } \\
      \hline \hline
    \multicolumn{4}{ |l|}{ \large Electron and Muon } \\ \hline

      \hline
     { \large  Total                    }&{\bf \large 3}&{\bf \large 2.05 $\pm$ 0.32  }&{\bf \large 1.36 $\pm$ 0.27 } \\
      \hline
     { \large  $\rm P_T^X$$>$25 GeV             }&{\bf \large 2}&{\bf \large 0.63  $\pm$ 0.11 }&{\bf \large 0.48 $\pm$ 0.10  } \\
    \hline
    \end{tabular}
  \end{center}
  \caption{The results of the search for events with isolated electrons or muons and missing transverse momentum in HERA II data ($\cal L$=17 pb$^{-1}$): observed and predicted numbers of events in the electron channel, in the muon channel and the sum of electron and muon channels. The ``signal'' component of the SM expectation, dominated by       the real $W$ production, is also given.}
\end{table}

\begin{thebibliography}{99}   

%\cite{Aktas:2003jg}
\bibitem{multie}
A.~Aktas {\it et al.}  [H1 Collaboration],
``Multi-electron production at high transverse momenta in e p collisions at
HERA,''
Eur.\ Phys.\ J.\ C {\bf 31} (2003) 17
[arXiv:hep-ex/0307015].\\
%%CITATION = HEP-EX 0307015;%%
http://www-h1.desy.de/h1/www/publications/htmlsplit/DESY-03-082.long.html


%\cite{Andreev:2003pm}
\bibitem{isol}
V.~Andreev {\it et al.}  [H1 Collaboration],
``Isolated electrons and muons in events with missing transverse momentum at
HERA,''
Phys.\ Lett.\ B {\bf 561} (2003) 241
[arXiv:hep-ex/0301030].\\
%%CITATION = HEP-EX 0301030;%%
http://www-h1.desy.de/h1/www/publications/htmlsplit/DESY-02-224.long.html


\bibitem{generic}
``General Search for New Phenomena in ep scattering at HERA''\\
http://www-h1.desy.de/h1/www/publications/htmlsplit/H1prelim-03-063.long.html

 
\end{thebibliography}

\end{document}