\documentclass[12pt]{article} \usepackage{epsfig} \usepackage{amsmath} \usepackage{hhline} \usepackage{amssymb} \usepackage{times} \usepackage{cite} \renewcommand{\topfraction}{1.0} \renewcommand{\bottomfraction}{1.0} \renewcommand{\textfraction}{0.0} \newlength{\dinwidth} \newlength{\dinmargin} \setlength{\dinwidth}{21.0cm} \textheight23.5cm \textwidth16.0cm \setlength{\dinmargin}{\dinwidth} \setlength{\unitlength}{1mm} \addtolength{\dinmargin}{-\textwidth} \setlength{\dinmargin}{0.5\dinmargin} \oddsidemargin -1.0in \addtolength{\oddsidemargin}{\dinmargin} \setlength{\evensidemargin}{\oddsidemargin} \setlength{\marginparwidth}{0.9\dinmargin} \marginparsep 8pt \marginparpush 5pt \topmargin -42pt \headheight 12pt \headsep 30pt \footskip 24pt \parskip 3mm plus 2mm minus 2mm %===============================title page============================= \begin{document} \begin{table}[htb] \begin{center} \renewcommand{\arraystretch}{1.2} \begin{tabular}{|lll||l|l|l|l|l|} \hline Run & Event & Lepton & $P_T^{l}$ /GeV & $P_T^{X}$ /GeV & $M_T$ /GeV & $M_{l \nu}$ /GeV & Charge \\ \hline \hline 236176 & 3849 & $e$& $10.1^{+0.4}_{-0.4}$ & $25.4^{+2.8}_{-2.5}$ & $26.1^{+1.1}_{-1.1}$ & & unmeasured \\ \hline \hline 186729 & 702 &$\mu^+$ & $51^{+11}_{-17}$ & $66.7^{+4.9}_{-4.9}$ & $43^{+13}_{-22}$ & & $+$ (4.0$\sigma$)\\ \hline 188108 & 5066 &$\mu^-$& $41.0^{+4.3}_{-5.5}$ & $26.9^{+2.2}_{-2.3}$ & $81.3^{+8.2}_{-11}$ & $86.1^{+6.8}_{-8.7}$ & $-$ (8.3$\sigma$)\\ \hline 192227 & 6208 &$\mu^-$ & $73^{+9}_{-12}$ & $60.5^{+5.5}_{-5.4}$ & $74^{+20}_{-25}$ & & $-$ (7.0$\sigma$) \\ \hline 195308 & 16793 & $\mu^+$& $60^{+12}_{-19}$ & $33.3^{+3.6}_{-3.6}$ & $85^{+25}_{-37}$ & & $+$ (4.2$\sigma$) \\ \hline 248207 & 32134 & $e^+$& $32.0^{+0.8}_{-0.9}$ & $42.7^{+3.9}_{-4.1}$ & $62.8^{+1.8}_{-1.8}$ & & $+$ (15$\sigma$) \\ \hline 252020 & 30485 & $e^+$& $25.3^{+1.0}_{-1.0}$ & $44.3^{+3.6}_{-3.6}$ & $50.6^{+1.9}_{-2.0}$ & $79^{+12}_{-12}$ & $+$ (40$\sigma$) \\ \hline 266336 & 4126 &$\mu^+$& $19.7^{+0.7}_{-0.8}$ & $51.5^{+3.8}_{-4.0}$ & $69.2^{+2.4}_{-2.6}$ & & $+$ (26$\sigma$)\\ \hline 268338 & 70014 &$e^+$ & $32.1^{+0.9}_{-0.8}$ & $46.6^{+3.3}_{-3.3}$ & $87.7^{+2.5}_{-2.4}$ & &$+$ (5.1$\sigma$) \\ \hline 270132 & 73115 &$\mu$ & $64^{+38}_{-55}$ & $27.3^{+3.9}_{-3.9}$ & $140^{+71}_{-83}$ & & $-$ (0.6$\sigma$) \\ \hline 275991 & 29613 & $e^+$& $37.7^{+1.0}_{-1.1}$ & $28.4^{+5.7}_{-5.9}$ & $74.7^{+2.3}_{-2.4}$ & &$+$ (37$\sigma$) \\ \hline \end{tabular} \caption{Kinematics and lepton charges of the events at high $P_T^X$ ($>25$ GeV). The invariant mass $M_{l \nu}$ is only calculated for those events with an observed scattered electron. The significance of the charge measurement in numbers of standard deviations is given in brackets after the sign. The first event listed was observed in $e^-p$ data. The rest were observed in $e^+p$ data.} \end{center} \end{table} \begin{table}[htb] \renewcommand{\arraystretch}{1.1} \begin{center} \begin{tabular}{|r||c|c||c|c|} \hline Electron & H1 Data & SM expectation & SM Signal & Other SM processes\\ \hline \hline $P_T^X<12$~GeV & 5 & 6.40 $\pm$ 0.79 & 4.45 $\pm$ 0.70 & 1.95 $\pm$ 0.36 \\ \hline $1240$~GeV & 3 & 0.54 $\pm$ 0.11 & 0.45 $\pm$ 0.11 & 0.09 $\pm$ 0.04 \\ \hline \end{tabular} \end{center} \caption{Observed and predicted numbers of events in the electron channel for all $e^+p$ data.} \end{table} \begin{table}[htb] \renewcommand{\arraystretch}{1.1} \begin{center} \begin{tabular}{|r||c|c||c|c|} \hline Muon & H1 Data & SM expectation & SM Signal & Other SM processes\\ \hline \hline $1240$~GeV & 3 & 0.55 $\pm$ 0.12 & 0.51 $\pm$ 0.12 & 0.04 $\pm$ 0.01 \\ \hline \end{tabular} \end{center} \caption{Observed and predicted numbers of events in the muon channel for all $e^+p$ data.} \end{table} \begin{table}[htb] \renewcommand{\arraystretch}{1.1} \begin{center} \begin{tabular}{|r||c|c||c|c|} \hline Electron and Muon & H1 Data & SM expectation & SM Signal & Other SM processes\\ \hline \hline $P_{T}^{X}<12$~GeV & 5 & 6.40 $\pm$ 0.79 & 4.45 $\pm$ 0.70 & 1.95 $\pm$ 0.36 \\ \hline $1240$~GeV & 6 & 1.08 $\pm$ 0.22 & 0.96 $\pm$ 0.22 & 0.12 $\pm$ 0.04 \\ \hline \end{tabular} \end{center} \caption{Observed and predicted numbers of events in the electron and muon channels combined for all $e^+p$ data. Only the electron channel contributes for $P_{T}^{X}<12$ GeV.} \end{table} \begin{table}[htb] \renewcommand{\arraystretch}{1.1} \begin{center} \begin{tabular}{|c||c|c||c|c|} \hline & \multicolumn{4}{c|}{Cross Section / pb}\\ \hline & Measured & SM NLO & SM LO & SM LO \\ & & & Diener {\it et al.} & Baur {\it et al.} \\ \hline \hline $P_T^X<25$~GeV & 0.146 $\pm$ 0.081 $\pm$ 0.022 & 0.194 $\pm$ 0.029 & 0.147 $\pm$ 0.044 & 0.197 $\pm$ 0.059 \\ \hline $P_T^X>25$~GeV & 0.164 $\pm$ 0.054 $\pm$ 0.023 & 0.043 $\pm$ 0.007 & 0.041 $\pm$ 0.012 & 0.049 $\pm$ 0.015 \\ \hline \end{tabular} \end{center} \caption{The measured cross section for events with an isolated high energy electron or muon with missing transverse momentum. The cross sections are calculated in the kinematic region: $5^\circ < \theta_l < 140^\circ$; $P_T^l > 10$~GeV; $P_T^{\rm miss} > 12$~GeV and $D_{jet} > 1.0$. Also shown are the signal expectations from the Standard Model where the dominant contribution $ep \rightarrow eWX$ is calculated at next to leading order (SM NLO) \cite{Diener:2002if,spiraprivate} and at leading order (SM LO) \cite{Diener:2002if} and \cite{Baur:1991pp}.} \end{table} \begin{thebibliography}{9} \bibitem{Diener:2002if} K.~P.~Diener, C.~Schwanenberger and M.~Spira, %``Photoproduction of W bosons at HERA: QCD corrections,'' Eur.\ Phys.\ J.\ C {\bf 25} (2002) 405 [hep-ph/0203269]; %%CITATION = HEP-PH 0203269;%% \bibitem{spiraprivate} M.~Spira and K.~P.~Diener, private communication. \bibitem{Baur:1991pp} U.~Baur, J.~A.~Vermaseren and D.~Zeppenfeld, %``Electroweak vector boson production in high-energy e p collisions,'' Nucl.\ Phys.\ B {\bf 375} (1992) 3. %%CITATION = NUPHA,B375,3;%% \end{thebibliography} \end{document}