\let\Otemize =\itemize
\let\Onumerate =\enumerate
\let\Oescription =\description
% Zero the vertical spacing parameters
\def\Nospacing{\itemsep=0pt\topsep=0pt\partopsep=0pt\parskip=0pt\parsep=0pt}
\def\Topspac{\vspace{-0.5\baselineskip}}
\def\Botspac{\vspace{-0.2\baselineskip}}
% Redefine the environments in terms of the original values
\newenvironment{Itemize}{\Topspac\Otemize\Nospacing}{\endlist\Botspac}
\newenvironment{Enumerate}{\Topspac\Onumerate\Nospacing}{\endlist\Botspac}
\newenvironment{Description}{\Topspac\Oescription\Nospacing}{\endlist\Botspac}
\makeindex
%
\definecolor{LightBlue}{rgb}{0.2,0.2,1.0}
\definecolor{DarkBlue}{rgb}{0.2,0.2,0.5}
\definecolor{LightRed}{rgb}{1.0,0.2,0.2}
\definecolor{DarkRed}{rgb}{0.5,0.2,0.2}
\definecolor{LightGreen}{rgb}{0.2,0.8,0.2}
\definecolor{DarkGreen}{rgb}{0.2,0.5,0.2}
% ---------------------------------------------------------------
% define new commands/symbols
% ---------------------------------------------------------------
%
% General stuff
%
\hyphenation{ALICE}
\hyphenation{ATLAS}
\hyphenation{ALSIM}
\hyphenation{SPSLC}
\hyphenation{between}
\hyphenation{basis}
\hyphenation{robust}
\hyphenation{cables}
\hyphenation{below}
\hyphenation{because}
\hyphenation{every rectan-gular}
\newcommand{\Lumi}{\ensuremath{\cal{L}}}
%
\newcommand{\clearemptydoublepage}{\newpage{\pagestyle{empty}\cleardoublepage}}
\newcommand{\HRule}{\rule{0.4\linewidth}{0.3mm}}
\newcommand{\cinst}[2]{$^{\protect\mathrm{#1)}}$~#2\par}
\newcommand{\crefi}[1]{$^{\protect\mathrm{#1)}}$}
\newcommand{\crefii}[2]{$^{\protect\mathrm{#1,#2)}}$}
\newcommand{\Rule}{\rule[-.7ex]{0ex}{2.9ex}}
%
% symbols...
%
\newcommand{\DDA}{{\sl Demonstrator}}
\newcommand{\FEB}{{\sl Front-end Electronics Board}}
\newcommand{\DCB}{{\sl Data Combiner Board}}
\newcommand{\ABB}{{\sl ABB}}
\newcommand{\ROC}{{\sl Read Out Controller Board}}
\newcommand{\xdaq}{{\sl $\chi$DAQ}}
\newcommand{\dabc}{{\sl \color{DabcGreen}{D}\color{DabcRed}{A}\color{DabcBlue}{B}C}}
\newcommand{\mbs}{{\sl \color{MbsBlue}{M}\color{MbsCyan}{B}\color{MbsGreen}{S}}}
\newcommand{\gui}{{\sl xGUI}}

\newcommand{\mrm}{\mathrm}
\newcommand{\pt}{\ensuremath{p_{\mathrm{t}}}}
\newcommand{\et}{\ensuremath{E_{\mathrm{T}}}}
%\newcommand {\pT} {\mbox{$p_{\rm t}$}}
\newcommand{\mt}{\ensuremath{m_{\mathrm{t}}}}
\newcommand{\minv}{\mbox{$m_{\ee}$}}
\newcommand{\ee}{\mbox{e$^+$e$^-$}}
\newcommand {\rap} {\mbox{$\left | y \right | $}}
%\newcommand{\sigee}{\raisebox{0.2ex}{$\sigma_E$}/\raisebox{-0.4ex}{\kern0.1em$E$}}
\newcommand{\sigee}{$\sigma_E$/$E$}
\newcommand{\dd}{\mrm{d}}
% ... &
\newcommand{\eg}{{e.g.~\@\xspace}}
\newcommand{\ie}{i.e.\@\xspace}
\newcommand{\elm}{e.m.\@\xspace}

%\def\mt{\relax \ifmmode m_{\mathrm{t}} \else $m_{\mathrm{t}}$\@\xspace\fi}
%\def\pt{\relax \ifmmode p_{\mathrm{t}} \else \mbox{$p_{\mathrm{t}}$}\xspace\fi}
%
% units of measure
%
\newcommand{\dg}{\mbox{$^\circ$}}
%\newcommand {\grad} {\mbox{$^{\circ}$}}
\newcommand {\mass} {\mbox{\rm GeV$\kern-0.15em /\kern-0.12em c^2$}}
\newcommand {\tev} {\mbox{${\rm TeV}$}}
\newcommand {\gev} {\mbox{${\rm GeV}$}}
\newcommand {\mev} {\mbox{${\rm MeV}$}}
\newcommand {\kev} {\mbox{${\rm keV}$}}
\newcommand {\mom} {\mbox{\rm GeV$\kern-0.15em /\kern-0.12em c$}}
\newcommand {\mum} {\mbox{$\mu {\rm m}$}\xspace}
\newcommand {\gmom} {\mbox{\rm GeV$\kern-0.15em /\kern-0.12em c$}}
\newcommand {\mmass} {\mbox{\rm MeV$\kern-0.15em /\kern-0.12em c^2$}}
\newcommand {\mmom} {\mbox{\rm MeV$\kern-0.15em /\kern-0.12em c$}}
\newcommand {\nb} {\mbox{\rm nb}}
\newcommand {\musec} {\mbox{$\mu {\rm s}$}\xspace}
\newcommand {\cm} {\mbox{${\rm cm}$}}
\newcommand {\mm} {\mbox{${\rm mm}$}}
\newcommand {\cmq} {\mbox{${\rm cm}^{2}$}}
\newcommand {\dens} {\mbox{${\rm g}/{\rm cm}^{3}$}}
%
% Particles
%
\newcommand{\pizero}{\mbox{$\mathrm {\pi^0}$}}
\newcommand{\K}{\mbox{$\mathrm {K}$}}
\newcommand{\Kzs}{\mbox{$\mathrm {K^0_S}$}}
\newcommand{\KzS}{\mbox{$\mathrm {K^0_S}$}}
\newcommand{\KzL}{\mbox{$\mathrm {K^0_L}$}}
\newcommand{\Jpsi} {\mbox{$J$/$\psi$}\xspace}
\newcommand{\psip} {\mbox{$\psi^\prime$}\xspace}
\newcommand{\Ups} {\mbox{$\Upsilon$}\xspace}
\newcommand{\Upsp} {\mbox{$\Upsilon^\prime$}\xspace}
\newcommand{\Upspp} {\mbox{$\Upsilon^{\prime\prime}$}\xspace}
\newcommand{\qqbar} {\mbox{$q\bar{q}$}\xspace}

%\newcommand{\qqbar}{\mbox{$\mathrm {q\overline{q}}$}}
\newcommand{\ppbar}{\mbox{$\mathrm {p\overline{p}}$}}
\newcommand{\ccbar}{\mbox{$\mathrm {c\overline{c}}$}}
\newcommand{\bbbar}{\mbox{$\mathrm {b\overline{b}}$}}
\newcommand{\sbbbar}{\mbox{$\scriptstyle\mathrm {b\overline{b}}$}}
\newcommand{\ttbar}{\mbox{$\mathrm {t\overline{t}}$}}
\newcommand{\sttbar}{\mbox{$\scriptstyle\mathrm {t\overline{t}}$}}
\newcommand{\BBbar}{\mbox{$\mathrm {B\overline{B}}$}}
\newcommand{\Bzd}{\mbox{$\mathrm {B^0_d}$}}
\newcommand{\Bbzd}{\mbox{$\mathrm {\overline{B}^0_d}$}}
\newcommand{\Bzs}{\mbox{$\mathrm {B^0_s}$}}
\newcommand{\Bbzs}{\mbox{$\mathrm {\overline{B}^0_s}$}}
\newcommand{\gaga}{\mbox{$\mathrm {\gamma\gamma}$}}
%
% Bibliography stuff
%
\def\NIM#1#2#3{Nucl. Instr. Meth. {\bf #1}\ (#2)\ #3}
\def\IEEE#1#2#3{IEEE Trans. Nucl. Sci. {\bf #1}\ (#2)\ #3}
\def\NP#1#2#3{Nucl. Phys. {\bf #1}\ (#2)\ #3}
\def\PL#1#2#3{Phys. Lett. {\bf #1}\ (#2)\ #3}
\def\PR#1#2#3{Phys. Rev. {\bf #1}\ (#2)\ #3}
\def\PRL#1#2#3{Phys. Rev. Lett. {\bf #1}\ (#2)\ #3}
\def\ZP#1#2#3{Z. Phys. {\bf #1}\ (#2)\ #3}
\def\EJP#1#2#3{Eur. J. Phys. {\bf #1}\ (#2)\ #3}
\def\JPG#1#2#3{J. Phys. G: Nucl. Part. Phys. {\bf #1}\ (#2)\ #3}
\def\RMP#1#2#3{Rev. Mod. Phys. {\bf #1}\ (#2)\ #3}
\def\ARNPS#1#2#3{Ann. Rev. Nucl. Part. Sc. {\bf #1}\ (#2)\ #3}
\def\PRP#1#2#3{Phys. Rep. {\bf #1}\ (#2)\ #3}
\def\RPP#1#2#3{Rep. on Progr. in Phys. {\bf #1}\ (#2)\ #3}
%\def\#1#2#3{ {\bf #1}\ (#2)\ #3}

\def\ALI#1#2{ALICE Internal Note {\sc #1--#2}}
\def\ALIC#1#2#3{ALICE Internal Note {\sc #1--#2 (#3)}}
\def\subNIM{submitted to Nucl. Instr. Meth.}
\def\subIEEE{submitted to IEEE Trans. Nucl. Sci.}
\def\subNP{submitted to Nucl. Phys.}
\def\subPL{submitted to Phys. Lett.}
\def\subPR{submitted to Phys. Rev.}
\def\subPRL{submitted to Phys. Rev. Lett.}
\def\subEJP{submitted to Eur. J. Phys.}
%\def\tosubNIM{to be submitted to Nucl. Instrum. Methods}
%\def\tosubNP{to be submitted to Nucl. Phys.}
%\def\tosubPL{to be submitted to Phys. Lett.}
%\def\tosubPR{to be submitted to Phys. Rev.}
%\def\tosubPRL{to be submitted to Phys. Rev. Lett.}
%\def\tosubZP{to be submitted to Z. Phys.}
%
% Gases
%
\def\xea{\mbox{Xe,CH$_4$ (10\%)}}
\def\xeb{\mbox{Xe,CO$_2$ (10\%)}}
\def\xec{\mbox{Xe,CO$_2$ (15\%)}}
\def\xed{\mbox{Xe,CO$_2$ (20\%)}}
%
% other things...
%
\def\tvi{\vrule height 12pt depth 5pt width 0pt}
\def\vphant{\vphantom{{{1\over{2}}\over{{1\over{2}}}}}}
\def\dis{\displaystyle}

\newlength{\digitwidth} \settowidth{\digitwidth}{\rm 0}
\newlength{\ql} \newlength{\qll} \newlength{\qlll}  \newlength{\qllll}
\newlength{\qlp} \newlength{\qllp} \newlength{\qlllp} \newlength{\qllllp}
\settowidth{\ql}{0} \settowidth{\qll}{00} \settowidth{\qlll}{000}  \settowidth{\qllll}{0000}
\settowidth{\qlp}{.0} \settowidth{\qllp}{.00} \settowidth{\qlllp}{.000} \settowidth{\qllllp}{.0000}
\newlength{\qlup} \newlength{\qlupp}
\settowidth{\qlup}{$^{\prime}$} \settowidth{\qlupp}{$^{\prime\prime}$}
%
% ---------------------------------------------------------
% - End of Definitions
% ---------------------------------------------------------
