%
%   physics.sty for ATLAS papers
%
% In your own directory, you may of course change this
% as you like. If you don't understand it or want to change 
% or add something publicly, contact the ATLAS publication 
% committee.
%
% Version 2.1 of 30.11.2006
%
% 
\usepackage{xspace}
%
\chardef\letterchar=11
\chardef\otherchar=12
\chardef\eolinechar=5
%
% Very old LaTeX, i.e. before \mathrm and NFSS
%
\ifx\selectfont\undefined%
  \def\mathrm#1{{\rm #1}}
  \def\textrm#1{{\rm #1}}
\fi
%
% LaTeX before LaTeX2e
%
\ifx\ensuremath\undefined%
  \def\ensuremath#1{\ifmath{#1}}
\fi
%
%  Fix for macros in PLAIN.TEX using "@" as a letter - probably not
%  necessary in LaTeX.
%
%\def\unlock{\catcode`\@=\letterchar}%
%\def\lock{\catcode`\@=\otherchar}%
%
\def\ifmath#1{\relax\ifmmode #1\else $#1$\fi}%
\let\ifmathx0%  The \fixmath keeps \ifmath from crashing in the tofc.
\def\fixmath{\def\ifmath{\noexpand\ifmathx}}%
\let\sst=\scriptscriptstyle
\def\leaderfill{\leaders\hbox to0.75em{\hss.\hss}\hfill}%
\def\us#1{\ifmath{\underline{\hbox{#1}}}}%
%
\def\eg{{\rm e.g.}}%
\def\vs{{\rm vs.}}%
\def\etc{{\rm etc.}}%
\def\etal{{\rm et~al.}}%
\def\coll{{Collab.}}%
\def\ibid{{\rm ibid.}}%
\def\ie{{\rm i.e.}}%
\def\cf{{\rm cf.}}%
% +--------------------------------------------------------------------+
% |                                                                    |
% |  Hours:minutes macro.                                              |
% |                                                                    |
% +--------------------------------------------------------------------+
%
\newcount\hrs\newcount\minu\newcount\temptime
\def\hm{\hrs=\time \divide\hrs by 60 \minu=\time\temptime=\hrs
\multiply\temptime by 60%
\advance\minu by -\temptime
\ifnum\minu<10 \let\zerofill=0\else \let\zerofill=\relax\fi
 \the\hrs:\zerofill\the\minu}%
%
% +--------------------------------------------------------------------+
% |                                                                    |
% |  Here I define useful symbols for use in or out of math mode.      |
% |                                                                    |
% +--------------------------------------------------------------------+
%
\def\ra{\ensuremath{\rightarrow}}%  "GOES TO" arrow.
\def\la{\ensuremath{\leftarrow}}%   "GETS" arrow.
\let\rarrow=\ra
\let\larrow=\la
\def\lapprox{\ensuremath{\sim\kern-1em\raise 0.65ex\hbox{$<$}}}%  Or use \lsim
\def\rapprox{\ensuremath{\sim\kern-1em\raise 0.65ex\hbox{$>$}}}%  and \rsim.
\def\gam{\ensuremath{\gamma} \xspace }%
\def\rts {\ensuremath{\sqrt{s}} \xspace }
\def\stat{\mbox{$\;$(stat.)} \xspace }
\def\syst{\mbox{$\;$(syst.)} \xspace }
%
% +--------------------------------------------------------------------+
% |                                                                    |
% |  Here are sin2thetaW M_W M_Z etc                                   |
% |                                                                    |
% +--------------------------------------------------------------------+
%
\def\MZ{\ensuremath{M_{Z}} \xspace }%
\def\MW{\ensuremath{M_{W}} \xspace }%
\def\Mtop{\ensuremath{m_{t}} \xspace }%
\def\MH{\ensuremath{M_{H}} \xspace }%
\def\Mtau{\ensuremath{m_{\tau}} \xspace }%
\def\swsq{\ensuremath{\sin^2\!\theta_{W}} \xspace }%
\def\swel{\ensuremath{\sin^2\!\theta_{\mathrm{eff}}^{\mathrm{lept}}} \xspace }%
\def\swsqb{\ensuremath{\sin^2\!\overline{\theta}_{W}} \xspace }%
\def\swsqon{\ensuremath{\swsq\equiv 1-\MW^2/\MZ^2} \xspace }%
\def\gv{\ensuremath{g_{V}} \xspace }
\def\ga{\ensuremath{g_{A}} \xspace }
\def\gvbar{\ensuremath{\bar{g}_{V}} \xspace }
\def\gabar{\ensuremath{\bar{g}_{A}} \xspace }
% +--------------------------------------------------------------------+
% |                                                                    |
% |  Particle-antiparticle pair notations.                             |
% |                                                                    |
% +--------------------------------------------------------------------+
%
\def\antibar#1{\ensuremath{#1\bar{#1}}}%
\def\tbar{\ensuremath{\bar{t}} \xspace }
\def\ttbar{\antibar{t} \xspace }%
\def\bbar{\ensuremath{\bar{b}} \xspace }
\def\bbbar{\antibar{b} \xspace }%
\def\cbar{\ensuremath{\bar{c}} \xspace }
\def\ccbar{\antibar{c} \xspace }%
\def\sbar{\ensuremath{\bar{s}} \xspace }
\def\ssbar{\antibar{s} \xspace }%
\def\ubar{\ensuremath{\bar{u}} \xspace }
\def\uubar{\antibar{u} \xspace }%
\def\dbar{\ensuremath{\bar{d}} \xspace }
\def\ddbar{\antibar{d} \xspace }%
\def\fbar{\ensuremath{\bar{f}} \xspace }
\def\ffbar{\antibar{f} \xspace }%
\def\qbar{\ensuremath{\bar{q}} \xspace }
\def\qqbar{\antibar{q} \xspace }%
\def\nbar{\ensuremath{\bar{\nu}} \xspace }
\def\nnbar{\antibar{\nu} \xspace }%
%
% +--------------------------------------------------------------------+
% |                                                                    |
% |  Here are e+e-, etc.                                               |
% |                                                                    |
% +--------------------------------------------------------------------+
%
\def\ee{\ensuremath{e^+ e^-} \xspace }%
\def\epm{\ensuremath{e^{\pm}} \xspace }%
\def\epem{\ensuremath{e^+ e^-} \xspace }%
\def\mumu{\ensuremath{\mathrm{\mu^+ \mu^-}} \xspace }%
\def\tautau{\ensuremath{\mathrm{\tau^+ \tau^-}} \xspace }%
\let\muchless=\ll
\def\ll{\ensuremath{\ell^+ \ell^-} \xspace }%
\def\lnu{\ensuremath{\ell \nu} \xspace }%
%
% +--------------------------------------------------------------------+
% |                                                                    |
% |  Useful Z0 type stuff    Gammas, Asymmetries                       |
% |                                                                    |
% +--------------------------------------------------------------------+
\def\Zzero{\ensuremath{Z} \xspace }
\def\Zboson{\ensuremath{Z} \xspace }
\def\Wplus{\ensuremath{W^+} \xspace }
\def\Wminus{\ensuremath{W^-} \xspace }
\def\Wboson{\ensuremath{W} \xspace }%
\def\Wpm{\ensuremath{W^{\pm}} \xspace }%
\def\Wmp{\ensuremath{W^{\mp}} \xspace }%
\def\Zzv{\ensuremath{\Zzero^{\textstyle *}} \xspace }
\def\Abb{\ensuremath{A_{\bbbar}} \xspace }
\def\Acc{\ensuremath{A_{\ccbar}} \xspace }
\def\Aqq{\ensuremath{A_{\qqbar}} \xspace }
\def\Afb{\ensuremath{A_{\mathrm{fb}}} \xspace }
\def\GZ{\ensuremath{\Gamma_{Z}} \xspace }
\def\GW{\ensuremath{\Gamma_{W}} \xspace }
\def\GH{\ensuremath{\Gamma_{H}} \xspace }
\def\GamHad{\ensuremath{\Gamma_{\mathrm{had}}} \xspace }
\def\Gbb{\ensuremath{\Gamma_{\bbbar}} \xspace }
\def\Rbb{\ensuremath{R_{\bbbar}} \xspace }
\def\Gcc{\ensuremath{\Gamma_{\ccbar}} \xspace }
\def\Gvis{\ensuremath{\Gamma_{\mathrm{vis}}} \xspace }
\def\Ginv{\ensuremath{\Gamma_{\mathrm{inv}}} \xspace }
%
% +--------------------------------------------------------------------+
% |                                                                    |
% |  Standard Z0 reactions                                             |
% |                                                                    |
% +--------------------------------------------------------------------+
% 
\def\Zbb{\ensuremath{\Zzero\ra\bbbar} \xspace }
\def\Zcc{\ensuremath{\Zzero\ra\ccbar} \xspace }
\def\Zee{\ensuremath{\Zzero\ra\epem} \xspace }
\def\Zmm{\ensuremath{\Zzero\ra\mumu} \xspace }
\def\Zmumu{\ensuremath{\Zzero\ra\mumu} \xspace }
\def\Zll{\ensuremath{\Zzero\ra\ll} \xspace }
\def\Wln{\ensuremath{\Wboson \ra \ell \nu} \xspace }
% +--------------------------------------------------------------------+
% |                                                                    |
% |  Here are B-physics things.                                        |
% |                                                                    |
% +--------------------------------------------------------------------+
%
\def\Bstar{\ensuremath{B^{*}} \xspace }
\def\chic{\ensuremath{\chi_{c}} \xspace }
\def\BoBo{\ensuremath{B^{0}\mbox{-}\bar{B}^{0}} \xspace }
\def\BodBod{\ensuremath{B^{0}_{d}\mbox{-}\bar{B}^{0}_{d}} \xspace }
\def\BosBos{\ensuremath{B^{0}_{s}\mbox{-}\bar{B}^{0}_{s}} \xspace }
\def\chib{\ensuremath{\raise.4ex\hbox{$\chi$}_{_{b}}} \xspace }
\def\Epsb  {\ensuremath{\epsilon_{\mathrm{b}}} \xspace }
\def\Epsc  {\ensuremath{\epsilon_{\mathrm{c}}} \xspace }
\def\Kstar    {\ensuremath{K^{*}} \xspace }
\def\Dstar   {\ensuremath{{\mathrm D}^{*}} \xspace }
\def\Dsstar   {\ensuremath{{\mathrm D}^{**}} \xspace }
\def\etpt     {\ensuremath{1/P_{T} - 1/E_{T}} \xspace }
\def\etptsig  {\ensuremath{(1/P_{T} -1/E_{T})/(\sigma(1/P_{T}))} \xspace }
\newcommand{\Bd}  {\ensuremath{B_d^0}}
\newcommand{\Bs}  {\ensuremath{B_s^0}}
\newcommand{\Bu}  {\ensuremath{B_u}}
\newcommand{\Bc}  {\ensuremath{B_c}}
\newcommand{\Lb}  {\ensuremath{\Lambda_b}}
\newcommand{\btol}  {\ensuremath{\mathrm{b \rightarrow \ell}}}
\newcommand{\ctol}  {\ensuremath{\mathrm{c \rightarrow \ell}}}
\newcommand{\btoctol} {\ensuremath{\mathrm{b \rightarrow c \rightarrow \ell}}}
%
%
% +--------------------------------------------------------------------+
% |                                                                    |
% |  Here are J/psi, psi prime, etc.                                   |
% |                                                                    |
% +--------------------------------------------------------------------+
%
\let\psii=\psi  %  Save normal "\psi" definition, since I redefine it.
\def\psi{\ensuremath{\psii}}%
\def\jpsi{\ensuremath{J/\psi} \xspace }
\def\Jpsi{\ensuremath{J/\psi} \xspace }
\def\Jee {\ensuremath{\Jpsi\ra\epem} \xspace }
\def\Jmm {\ensuremath{\Jpsi\ra\mumu} \xspace }
\def\Jmumu {\ensuremath{\Jpsi\ra\mumu} \xspace }
\def\Brjl  {\ensuremath{ \mathrm{Br} (\mathrm{ \Jpsi\ra \ll }) } \xspace }
\def\psip{\ensuremath{\psi^{\sst\prime}} \xspace }%

%
% +--------------------------------------------------------------------+
% |                                                                    |
% |  QCD                                                               |
% |                                                                    |
% +--------------------------------------------------------------------+
%
\def\alphas{\hbox{$\alpha_{s}$} \xspace }
\def\NF{\hbox{$N_{\mathrm{F}}$} \xspace }
\def\NC{\hbox{$N_{\mathrm{C}}$} \xspace }
\def\CF{\hbox{$C_{\mathrm{F}}$} \xspace }
\def\CA{\hbox{$C_{\mathrm{A}}$} \xspace }
\def\TF{\hbox{$T_{\mathrm{F}}$} \xspace }
\def\Lms{\hbox{$\Lambda_{\overline{\mathrm{MS}}}$} \xspace}
\def\Lmsfive{\hbox{$\Lambda^{(5)}_{\overline{\mathrm{MS}}}$} \xspace}
\def\KT{\hbox{$k_{\perp}$} \xspace}                                   
%
% +--------------------------------------------------------------------+
% |                                                                    |
% |  Here are CKM matrix things.                                       |
% |                                                                    |
% +--------------------------------------------------------------------+
%
\def\Vcb{\ensuremath{\vert V_{cb} \vert} \xspace}
\def\Vub{\ensuremath{\vert V_{ub} \vert} \xspace}
\def\Vtd{\ensuremath{\vert V_{td} \vert} \xspace}
\def\Vts{\ensuremath{\vert V_{ts} \vert} \xspace}
\def\Vtb{\ensuremath{\vert V_{tb} \vert} \xspace}
\def\Vcs{\ensuremath{\vert V_{cs} \vert} \xspace}
\def\Vud{\ensuremath{\vert V_{ud} \vert} \xspace}
\def\Vus{\ensuremath{\vert V_{us} \vert} \xspace}
\def\Vcd{\ensuremath{\vert V_{cd} \vert} \xspace}
%
% +--------------------------------------------------------------------+
% |                                                                    |
% |  Here are New particle stuff                                       |
% |                                                                    |
% +--------------------------------------------------------------------+
%
\def\Azero{\ensuremath{A^0} \xspace}%
\def\hzero{\ensuremath{h^0} \xspace}%
\def\Hzero{\ensuremath{H^0} \xspace}%
\def\Hboson{\ensuremath{H} \xspace}%
\def\Hplus{\ensuremath{H^+} \xspace}%
\def\Hminus{\ensuremath{H^-} \xspace}%
\def\Hpm{\ensuremath{H^{\pm}} \xspace}%
\def\Hmp{\ensuremath{H^{\mp}} \xspace}%
\def\susy#1{\ensuremath{\tilde{#1}} \xspace}%
\def\ellell{\ensuremath{\mathrm{\ell^+ \ell^-}} \xspace }%
\def\ggino{\ensuremath{\mathchoice%
      {\displaystyle\raise.4ex\hbox{$\displaystyle\tilde\chi$}}%
         {\textstyle\raise.4ex\hbox{$\textstyle\tilde\chi$}}%
       {\scriptstyle\raise.3ex\hbox{$\scriptstyle\tilde\chi$}}%
 {\scriptscriptstyle\raise.3ex\hbox{$\scriptscriptstyle\tilde\chi$}}} \xspace}

\def\chinop{\ensuremath{\mathchoice%
      {\displaystyle\raise.4ex\hbox{$\displaystyle\tilde\chi^+$}}%
         {\textstyle\raise.4ex\hbox{$\textstyle\tilde\chi^+$}}%
       {\scriptstyle\raise.3ex\hbox{$\scriptstyle\tilde\chi^+$}}%
 {\scriptscriptstyle\raise.3ex\hbox{$\scriptscriptstyle\tilde\chi^+$}}} \xspace}
\def\chinom{\ensuremath{\mathchoice%
      {\displaystyle\raise.4ex\hbox{$\displaystyle\tilde\chi^-$}}%
         {\textstyle\raise.4ex\hbox{$\textstyle\tilde\chi^-$}}%
       {\scriptstyle\raise.3ex\hbox{$\scriptstyle\tilde\chi^-$}}%
 {\scriptscriptstyle\raise.3ex\hbox{$\scriptscriptstyle\tilde\chi^-$}}} \xspace}
\def\chinopm{\ensuremath{\mathchoice%
      {\displaystyle\raise.4ex\hbox{$\displaystyle\tilde\chi^\pm$}}%
         {\textstyle\raise.4ex\hbox{$\textstyle\tilde\chi^\pm$}}%
       {\scriptstyle\raise.3ex\hbox{$\scriptstyle\tilde\chi^\pm$}}%
 {\scriptscriptstyle\raise.3ex\hbox{$\scriptscriptstyle\tilde\chi^\pm$}}} \xspace}
\def\chinomp{\ensuremath{\mathchoice%
      {\displaystyle\raise.4ex\hbox{$\displaystyle\tilde\chi^\mp$}}%
         {\textstyle\raise.4ex\hbox{$\textstyle\tilde\chi^\mp$}}%
       {\scriptstyle\raise.3ex\hbox{$\scriptstyle\tilde\chi^\mp$}}%
 {\scriptscriptstyle\raise.3ex\hbox{$\scriptscriptstyle\tilde\chi^\mp$}}} \xspace}

\def\chinoonep{\ensuremath{\mathchoice%
      {\displaystyle\raise.4ex\hbox{$\displaystyle\tilde\chi^+_1$}}%
         {\textstyle\raise.4ex\hbox{$\textstyle\tilde\chi^+_1$}}%
       {\scriptstyle\raise.3ex\hbox{$\scriptstyle\tilde\chi^+_1$}}%
 {\scriptscriptstyle\raise.3ex\hbox{$\scriptscriptstyle\tilde\chi^+_1$}}} \xspace}
\def\chinoonem{\ensuremath{\mathchoice%
      {\displaystyle\raise.4ex\hbox{$\displaystyle\tilde\chi^-_1$}}%
         {\textstyle\raise.4ex\hbox{$\textstyle\tilde\chi^-_1$}}%
       {\scriptstyle\raise.3ex\hbox{$\scriptstyle\tilde\chi^-_1$}}%
 {\scriptscriptstyle\raise.3ex\hbox{$\scriptscriptstyle\tilde\chi^-_1$}}} \xspace}
\def\chinoonepm{\ensuremath{\mathchoice%
      {\displaystyle\raise.4ex\hbox{$\displaystyle\tilde\chi^\pm_1$}}%
         {\textstyle\raise.4ex\hbox{$\textstyle\tilde\chi^\pm_1$}}%
       {\scriptstyle\raise.3ex\hbox{$\scriptstyle\tilde\chi^\pm_1$}}%
 {\scriptscriptstyle\raise.3ex\hbox{$\scriptscriptstyle\tilde\chi^\pm_1$}}} \xspace}

\def\chinotwop{\ensuremath{\mathchoice%
      {\displaystyle\raise.4ex\hbox{$\displaystyle\tilde\chi^+_2$}}%
         {\textstyle\raise.4ex\hbox{$\textstyle\tilde\chi^+_2$}}%
       {\scriptstyle\raise.3ex\hbox{$\scriptstyle\tilde\chi^+_2$}}%
 {\scriptscriptstyle\raise.3ex\hbox{$\scriptscriptstyle\tilde\chi^+_2$}}} \xspace}
\def\chinotwom{\ensuremath{\mathchoice%
      {\displaystyle\raise.4ex\hbox{$\displaystyle\tilde\chi^-_2$}}%
         {\textstyle\raise.4ex\hbox{$\textstyle\tilde\chi^-_2$}}%
       {\scriptstyle\raise.3ex\hbox{$\scriptstyle\tilde\chi^-_2$}}%
 {\scriptscriptstyle\raise.3ex\hbox{$\scriptscriptstyle\tilde\chi^-_2$}}} \xspace}
\def\chinotwopm{\ensuremath{\mathchoice%
      {\displaystyle\raise.4ex\hbox{$\displaystyle\tilde\chi^\pm_2$}}%
         {\textstyle\raise.4ex\hbox{$\textstyle\tilde\chi^\pm_2$}}%
       {\scriptstyle\raise.3ex\hbox{$\scriptstyle\tilde\chi^\pm_2$}}%
 {\scriptscriptstyle\raise.3ex\hbox{$\scriptscriptstyle\tilde\chi^\pm_2$}}} \xspace}

\def\nino{\ensuremath{\mathchoice%
      {\displaystyle\raise.4ex\hbox{$\displaystyle\tilde\chi^0$}}%
         {\textstyle\raise.4ex\hbox{$\textstyle\tilde\chi^0$}}%
       {\scriptstyle\raise.3ex\hbox{$\scriptstyle\tilde\chi^0$}}%
 {\scriptscriptstyle\raise.3ex\hbox{$\scriptscriptstyle\tilde\chi^0$}}} \xspace}

\def\ninoone{\ensuremath{\mathchoice%
      {\displaystyle\raise.4ex\hbox{$\displaystyle\tilde\chi^0_1$}}%
         {\textstyle\raise.4ex\hbox{$\textstyle\tilde\chi^0_1$}}%
       {\scriptstyle\raise.3ex\hbox{$\scriptstyle\tilde\chi^0_1$}}%
 {\scriptscriptstyle\raise.3ex\hbox{$\scriptscriptstyle\tilde\chi^0_1$}}} \xspace}
\def\ninotwo{\ensuremath{\mathchoice%
      {\displaystyle\raise.4ex\hbox{$\displaystyle\tilde\chi^0_2$}}%
         {\textstyle\raise.4ex\hbox{$\textstyle\tilde\chi^0_2$}}%
       {\scriptstyle\raise.3ex\hbox{$\scriptstyle\tilde\chi^0_2$}}%
 {\scriptscriptstyle\raise.3ex\hbox{$\scriptscriptstyle\tilde\chi^0_2$}}} \xspace}
\def\ninothree{\ensuremath{\mathchoice%
      {\displaystyle\raise.4ex\hbox{$\displaystyle\tilde\chi^0_3$}}%
         {\textstyle\raise.4ex\hbox{$\textstyle\tilde\chi^0_3$}}%
       {\scriptstyle\raise.3ex\hbox{$\scriptstyle\tilde\chi^0_3$}}%
 {\scriptscriptstyle\raise.3ex\hbox{$\scriptscriptstyle\tilde\chi^0_3$}}} \xspace}
\def\ninofour{\ensuremath{\mathchoice%
      {\displaystyle\raise.4ex\hbox{$\displaystyle\tilde\chi^0_4$}}%
         {\textstyle\raise.4ex\hbox{$\textstyle\tilde\chi^0_4$}}%
       {\scriptstyle\raise.3ex\hbox{$\scriptstyle\tilde\chi^0_4$}}%
 {\scriptscriptstyle\raise.3ex\hbox{$\scriptscriptstyle\tilde\chi^0_4$}}} \xspace}

\def\gravino{\ensuremath{\tilde{G}} \xspace}%
\def\Zprime{\ensuremath{Z^\prime} \xspace}
\def\Zstar{\ensuremath{Z^{*}} \xspace}
\def\squark{\ensuremath{\tilde{q}} \xspace}
\def\squarkL{\ensuremath{\tilde{q}_L} \xspace}
\def\squarkR{\ensuremath{\tilde{q}_R} \xspace}
\def\gluino{\ensuremath{\tilde{g}} \xspace}
\def\stop{\ensuremath{\tilde{t}} \xspace}
\def\stopone{\ensuremath{\tilde{t}_1} \xspace}
\def\stoptwo{\ensuremath{\tilde{t}_2} \xspace}
\def\stopL{\ensuremath{\tilde{t}_L} \xspace}
\def\stopR{\ensuremath{\tilde{t}_R} \xspace}
\def\sbottom{\ensuremath{\tilde{b}} \xspace}
\def\sbottomone{\ensuremath{\tilde{b}_1} \xspace}
\def\sbottomtwo{\ensuremath{\tilde{b}_2} \xspace}
\def\sbottomL{\ensuremath{\tilde{b}_L} \xspace}
\def\sbottomR{\ensuremath{\tilde{b}_R} \xspace}
\def\slepton{\ensuremath{\tilde{\ell}} \xspace}
\def\sleptonL{\ensuremath{\tilde{\ell}_L} \xspace}
\def\sleptonR{\ensuremath{\tilde{\ell}_R} \xspace}
\def\sel{\ensuremath{\tilde{e}} \xspace}
\def\selL{\ensuremath{\tilde{e}_L} \xspace}
\def\selR{\ensuremath{\tilde{e}_R} \xspace}
\def\smu{\ensuremath{\tilde{\mu}} \xspace}
\def\smuL{\ensuremath{\tilde{\mu}_L} \xspace}
\def\smuR{\ensuremath{\tilde{\mu}_R} \xspace}
\def\stau{\ensuremath{\tilde{\tau}} \xspace}
\def\stauL{\ensuremath{\tilde{\tau}_L} \xspace}
\def\stauR{\ensuremath{\tilde{\tau}_R} \xspace}
\def\stauone{\ensuremath{\tilde{\tau}_1} \xspace}
\def\stautwo{\ensuremath{\tilde{\tau}_2} \xspace}
\def\snu{\ensuremath{\tilde{\nu}} \xspace}
%
% +--------------------------------------------------------------------+
% |                                                                    |
% |  Here are pi, pi0, pi+, pi-, pi+-, etc.                            |
% |    11 Jun 85  added eta, eta'  RBC                                 |
% +--------------------------------------------------------------------+
%
\let\pii=\pi
\def\pi{\ensuremath{\pii}}%
\def\pizero{\ensuremath{\pii^0} \xspace}%
\def\piplus{\ensuremath{\pii^+} \xspace}%
\def\piminus{\ensuremath{\pii^-} \xspace}%
\def\pipm{\ensuremath{\pii^{\pm}} \xspace}%
\def\pimp{\ensuremath{\pii^{\mp}} \xspace}%
\let\etaa=\eta
\def\eta{\ensuremath{\etaa} \xspace}%
\def\etaprime{\ensuremath{\eta^{\sst\prime}} \xspace}%
%
% +--------------------------------------------------------------------+
% |                                                                    |
% |  Here are K0, K+, K-, K0L, K0S.                                    |
% |                                                                    |
% +--------------------------------------------------------------------+
%
\def\kzero{\ensuremath{K^0} \xspace}%
\def\kzerobar{\ensuremath{\overline{K}\vphantom{K}^0} \xspace}%
%
\def\kaon{\ensuremath{K} \xspace}%
\def\kplus{\ensuremath{K^+} \xspace}%
\def\kminus{\ensuremath{K^-} \xspace}%
\def\kzeroL{\ensuremath{K^0_L} \xspace}%
\def\kzerol{\ensuremath{K^0_L} \xspace}%
\def\klong{\ensuremath{K^0_L} \xspace}%
\def\kzeroS{\ensuremath{K^0_S} \xspace}%
\def\kzeros{\ensuremath{K^0_S} \xspace}%
\def\kshort{\ensuremath{K^0_S} \xspace}%
%
% +--------------------------------------------------------------------+
% |                                                                    |
% |  Here are upsilons of various sorts.                               |
% |                                                                    |
% +--------------------------------------------------------------------+
%
\def\Ups{\ensuremath{\Upsilon} \xspace}%
\def\Upsp{\ensuremath{\Upsilon^{\sst\prime}} \xspace}%
\def\Upspp{\ensuremath{\Upsilon^{\sst\prime\prime}} \xspace}%
\def\Upsppp{\ensuremath{\Upsilon^{\sst\prime\prime\prime}} \xspace}%
\def\Upspppp{\ensuremath{\Upsilon^{\sst\prime\prime\prime\prime}} \xspace}%
\def\itUpsp{\ensuremath{\mit\Upsilon^{\sst\prime}} \xspace}%
%
% +--------------------------------------------------------------------+
% |                                                                    |
% |  The next definition sets up things like \ups4 --> Y(4S).          |
% |                                                                    |
% +--------------------------------------------------------------------+
%
\def\ups#1{\ensuremath{\Upsilon\hbox{(\mathrm{#1S})}} \xspace}%
%
% +--------------------------------------------------------------------+
% |                                                                    |
% |  Here is the notation for the P-lines: \nspj211 -->  2 1P1, etc.   |
% |                                                                    |
% +--------------------------------------------------------------------+
%
\def\nsPj#1#2#3{\ensuremath{#1\,^{#2}\!P_{#3}}}%
\let\nspj=\nsPj
\def\nsSj#1#2#3{\ensuremath{#1\,^{#2}\!S_{#3}}}%
\let\nssj=\nsSj
%
% +--------------------------------------------------------------------
% |
% |  Here are some useful things for proton-proton physics.
% |
% +--------------------------------------------------------------------
%
\def\pt{\ensuremath{p_T} \xspace}
\def\pT{\ensuremath{p_T} \xspace}
\def\et{\ensuremath{E_T} \xspace}
\def\eT{\ensuremath{E_T} \xspace}
\def\ET{\ensuremath{E_T} \xspace}
\def\HT{\ensuremath{H_T} \xspace}
\def\ptsq{\ensuremath{\pt^2} \xspace}%
\def\met{\mbox{\ensuremath{\, \slash\kern-.6emE_{T}}}}
\def\mpt{\mbox{\ensuremath{\, \slash\kern-.6emp_{T}}}}
%
% +--------------------------------------------------------------------+
% |                                                                    |
% |  Here are some useful units.                                       |
% |                                                                    |
% +--------------------------------------------------------------------+
%
\def\TeV{\ifmmode {\mathrm{\ Te\kern -0.1em V}}\else
                   \textrm{Te\kern -0.1em V}\fi \xspace}%
\def\GeV{\ifmmode {\mathrm{\ Ge\kern -0.1em V}}\else
                   \textrm{Ge\kern -0.1em V}\fi \xspace}%
\def\MeV{\ifmmode {\mathrm{\ Me\kern -0.1em V}}\else
                   \textrm{Me\kern -0.1em V}\fi \xspace}%
\def\keV{\ifmmode {\mathrm{\ ke\kern -0.1em V}}\else
                   \textrm{ke\kern -0.1em V}\fi \xspace}%
\def\eV{\ifmmode  {\mathrm{\ e\kern -0.1em V}}\else
                   \textrm{e\kern -0.1em V}\fi \xspace}%
\let\tev=\TeV
\let\gev=\GeV
\let\mev=\MeV
\let\kev=\keV
\let\ev=\eV

\def\TeVc{\ifmmode {\mathrm{\ Te\kern -0.1em V}/c}\else
                   {\textrm{Te\kern -0.1em V}/$c$}\fi \xspace}%
\def\GeVc{\ifmmode {\mathrm{\ Ge\kern -0.1em V}/c}\else
                   {\textrm{Ge\kern -0.1em V}/$c$}\fi \xspace}%
\def\MeVc{\ifmmode {\mathrm{\ Me\kern -0.1em V}/c}\else
                   {\textrm{Me\kern -0.1em V}/$c$}\fi \xspace}%
\def\keVc{\ifmmode {\mathrm{\ ke\kern -0.1em V}/c}\else
                   {\textrm{ke\kern -0.1em V}/$c$}\fi \xspace}%
\def\eVc{\ifmmode  {\mathrm{\ e\kern -0.1em V}/c}\else
                   {\textrm{e\kern -0.1em V}/$c$}\fi \xspace}%
\let\tevc=\TeVc
\let\gevc=\GeVc
\let\mevc=\MeVc
\let\kevc=\keVc
\let\evc=\eVc

\def\TeVcc{\ifmmode {\mathrm{\ Te\kern -0.1em V}/c^2}\else
                   {\textrm{Te\kern -0.1em V}/$c^2$}\fi \xspace}%
\def\GeVcc{\ifmmode {\mathrm{\ Ge\kern -0.1em V}/c^2}\else
                   {\textrm{Ge\kern -0.1em V}/$c^2$}\fi \xspace}%
\def\MeVcc{\ifmmode {\mathrm{\ Me\kern -0.1em V}/c^2}\else
                   {\textrm{Me\kern -0.1em V}/$c^2$}\fi \xspace}%
\def\keVcc{\ifmmode {\mathrm{\ ke\kern -0.1em V}/c^2}\else
                   {\textrm{ke\kern -0.1em V}/$c^2$}\fi \xspace}%
\def\eVcc{\ifmmode  {\mathrm{\ e\kern -0.1em V}/c^2}\else
                   {\textrm{e\kern -0.1em V}/$c^2$}\fi \xspace}%
\let\tevcc=\TeVcc
\let\gevcc=\GeVcc
\let\mevcc=\MeVcc
\let\kevcc=\keVcc
\let\evcc=\eVcc

\def\cm{\ifmmode  {\mathrm{\ cm}}\else
                   \textrm{~cm}\fi \xspace}%
%
\def\ifb{\mbox{fb$^{-1}$} \xspace}%  Inverse femtobarns.
\def\ipb{\mbox{pb$^{-1}$} \xspace}%  Inverse picobarns.
\def\inb{\mbox{nb$^{-1}$} \xspace}%  Inverse nanobarns.
%
\def\mass#1{\ensuremath{m_{#1#1}} \xspace}%  "\mass{\mu}" produces "Msub{mumu}".
\def\twomass#1#2{\ensuremath{m_{#1#2}} \xspace}% 
%
\def\Ecm{\ensuremath{E_{cm}} \xspace}%
%
% +--------------------------------------------------------------------+
% |                                                                    |
% |  The next few lines define the "box-squared" operator as in        |
% |  Klein-Gordon.  You get it by saying "\boxsq".                     |
% |                                                                    |
% +--------------------------------------------------------------------+
%
\newbox\boxsqbox
\newdimen\boxsize\boxsize=1.2ex%
\def\boxop{%
\setbox\boxsqbox=\vbox{\hrule depth0.8pt width0.8\boxsize height0pt%
                       \kern0.8\boxsize
                       \hrule height0.8pt width0.8\boxsize depth0pt}%
           \hbox{%
           \vrule height1.0\boxsize width0.8pt depth0pt%
           \copy\boxsqbox
           \vrule height1.0\boxsize width0.8pt depth0pt\kern1.5pt}}%
\def\boxsq{\ensuremath{\boxop^2}}%
% +--------------------------------------------------------------------+
% |                                                                    |
% |  Define theoretical notations here.                                |
% |                                                                    |
% +--------------------------------------------------------------------+
%
\def\spinor#1{\left(\matrix{#1_1\cr#1_2\cr#1_3\cr#1_4\cr}\right)}%
\def\pmb#1{\setbox0=\hbox{$#1$}%  This is "poor man's boldface".
  \kern-.025em\copy0\kern-1.0\wd0%
  \kern.05em\copy0\kern-1.0\wd0%
  \kern-.025em\raise.0433em\box0}%
\def\grad{\pmb{\nabla}}%
%
% +--------------------------------------------------------------------+
% |                                                                    |
% |  This next symbol is for the decay symbol, to be used in \eqalign. |
% |  It works like: \[\eqalign{a\ra &b+c\cr &\dk &e+f\cr &&\dk g+h}\]  |
% |                                                                    |
% |                  a  -->  b + c                                     |
% |                          |                                         |
% |                          |                                         |
% |                          +----> e + f                              |
% |                                 |                                  |
% |                                 |                                  |
% |                                 +----> g + h                       |
% |                                                                    |
% +--------------------------------------------------------------------+
%
\newdimen\dkwidth
\def\dk{%
   \dkwidth=\baselineskip
   {\def\to{\rightarrow}%  allows "\rightarrowfill" to work.
   \kern 3pt%
   \hbox{%
      \raise 3pt%
      \hbox{%
         \vrule height 0.8\dkwidth width 0.7pt depth0pt%
      }%
      \kern-0.4pt%
      \hbox to 1.5\dkwidth{%
         \rightarrowfill
      }%
   \kern0.6em%
   }}%
}%
%
% +--------------------------------------------------------------------+
% |                                                                    |
% |  I also redefine \eqalign to allow more than one column; very      |
% |  useful for multiple decays as defined above.                      |
% |                                                                    |
% +--------------------------------------------------------------------+
%
%\unlock
\def\eqalign#1{%
   \,
   \vcenter{%
      \openup\jot\m@th
      \ialign{%
         \strut\hfil$\displaystyle{##}$&&$%
         \displaystyle{{}##}$\hfil\crcr#1\crcr%
      }%
   }%
   \,
}%
%\lock
%
% +--------------------------------------------------------------------+
% |                                                                    |
% |  JOURNALS  (for MISC definitions, see also ../biblio/ATLASstyle.bst)  |
% |                                                                    |
% +--------------------------------------------------------------------+
%
\newcommand {\AcPA}   {Acta Phys. Austriaca{} }
\newcommand {\ARevNS} {Ann.{} Rev.{} Nucl.{} Sci.{} }
\newcommand {\CPC}    {Comp.{} Phys.{} Comm.{} }
\newcommand {\FortP}  {Fortschr.{} Phys.{} }
\newcommand {\IJMP}   {Int.{} J.{} Mod.{} Phys.{} }
\newcommand {\JETP}   {Sov.{} Phys.{} JETP{} }
\newcommand {\JETPL}  {JETP Lett.{} }
\newcommand {\JaFi}   {Jad.{} Fiz.{} }
\newcommand {\JMP}    {J.{} Math.{} Phys.{} }
\newcommand {\MPL}    {Mod.{} Phys.{} Lett.{} }
\newcommand {\NCim}   {Nuovo Cimento{} }
\newcommand {\NIM}    {Nucl.{} Inst.{} Meth.{} }
\newcommand {\NP}     {Nucl.{} Phys.{} }
\newcommand {\PL}     {Phys.{} Lett.{} }
\newcommand {\PR}     {Phys.{} Rev.{} }
\newcommand {\PRL}    {Phys.{} Rev.{} Lett.{} }
\newcommand {\PRep}   {Phys.{} Rep.{} }   
\newcommand {\RMP}    {Rev.{} Mod.{} Phys.{} }
\newcommand {\ZfP}    {Z.{} Phys.{} }
\newcommand {\EPJ}    {Eur.{} Phys.{} J.{} }
        
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%
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