--- /dev/null
+%%%%%%%%%%%%%%% Section: DETECTOR OVERVIEW %%%%%%%%%%%%%%%%%%%%%%%%
+
+\section{Detector Overview}
+%
+The MVD~\cite{MichalPresto} is the vertex silicon pixel detector of CBM, placed closest to the target and in front of the STS. It will be operated inside the target chamber in a vacuum environment, see Figures~\ref{Overview}, \ref{Views}.
+
+\begin{figure}[tbh]
+\begin{minipage}[b]{0.30\textwidth}
+\includegraphics[width=0.9\textwidth]{MVD-STS-Overview.png}
+\caption{
+ Overview of the MVD and STS arrangement inside the CBM magnet, with the target chamber (orange) and the beam pipe (yellow).
+}
+\label{Overview}
+\end{minipage}
+\hfill
+\begin{minipage}[b]{0.6\textwidth}
+ \includegraphics[width=\textwidth]{CBM_MVD_beam.png}
+\caption{
+ CAD views of the four MVD stations mounted on a master table with remote positioning (black).
+ Legend: sensors - orange, light green - flex print cables in the sensor vicinity, black - remote positioning, dark green - feed-through flanges for FEE.
+ \label{Fig:Qudrant}
+ }
+\label{Views}
+\end{minipage}
+\end{figure}
+
+The CBM-MVD comprises four independent detector planes (stations), each of them composed of four quadrants ("modules") arranged around the beam axis. Two quadrants together form a half-station, and four half-station share one common base plate. For safety reasons during beam optimization, both base plates can be moved by 50~mm away from the measuring position, respectively. For clarity and since the development of the CAD model is an ongoing process, cables and pipe routing inside chamber, as well as the location of FEE (Front End Electronics) is not shown yet in Figure~\ref{Fig:Qudrant}. The target chamber front plate represents a proposal w.r.t.\ its lateral dimensions and the arrangement of flanges housing MVD-relevant feed-throughs, e.g.\ for data lines, power, cooling medium, and the connections for vacuum pipes. However, the space occupied is already driven by MVD requirements, to the best of one's knowledge.
+Figure~\ref{Components} shows an annotated front and side view of the design. The central part is the front flange, which will host the target area, dedicated feed-through flanges for the MVD, and -- mounted on its inner side -- the MVD master table.
+
+\begin{figure}[tbh]
+\begin{center}
+\includegraphics[width=0.85\textwidth]{definitions-v1-1.png}
+\caption{
+Schematic side (left) and front (right) view of the MVD setup, including support structures and functional united referred to in the text.
+\label{Components}}
+\end{center}
+\end{figure}
+
+
+As indicated in Figure~\ref{Components}, we propose to mount the master table directly to the target chamber flange. As a consequence, the MVD will be moved into the target chamber together with the front plate during installation. So all cables will already be mounted to their respective feed-through flanges and the whole setup tested during the full system test prior to final installation.
+
+%%%%%%%%%%%%%%% Section: RESPONSIBILITIES %%%%%%%%%%%%%%%%%%%%%%%%
+\newpage
+ \section{Proposed responsibilities and interfaces between the MVD and CBM}
+
+In order to define unique interfaces between the MVD and the CBM environment in and close to the target chamber, we propose the responsibilities for components as shown in table~\ref{Tab:Responsibilities}, and referring to Figure~\ref{Components}. These responsibilities do comprise design, construction, testing and proving installation readiness, and funding.
+
+\begin{table}[h]
+\begin{center}
+\label{Tab:Responsibilities}
+\begin{tabular}{p{4cm}p{10cm}}
+\hline
+MVD team
+ & Detector stations\\
+ & Base plates\\
+ & MVD Cabling (Data, DCS, Power)\\
+ & MVD Cooling\\
+ & Feed-through flanges (mounted to target chamber front plate)\\
+ & FEE outside the vacuum, mounting\\
+\hline
+To be assigned
+ & Target chamber\\
+ & Target chamber front plate\\
+ & Upstream beam pipe and target\\
+ & CBM beam pipe (including the vacuum window towards STS)\\
+ & Remote positioning for both base plates\\
+ & Master table (for the remote positioning)\\
+ & Mounting of the master table to the front plate\\
+ & Target chamber vacuum facilities (hoses, pumping)\\
+\hline
+\end{tabular}
+\caption{Proposed allocation of responsibilities of the MVD team in and close to the target chamber.}
+\end{center}
+\end{table}
+
+{ % no page break before the itemize list...
+\makeatletter
+\@beginparpenalty=10000
+\makeatother
+This proposal results in two physically touching interfaces between the MVD and the CBM environment in the CBM setup:
+\begin{itemize}
+ \item Mounting of the two MVD half station base plates to the remote positioning units
+ \item Mounting of MVD feed-through flanges to the target chamber front plate
+\end{itemize}
+We conclude that most pressing is the detailed design of the target chamber flange including the volume taken by the target and upstream beam pipe, accompanied by a realistic estimate of the number and the layout of the required feed-through flanges.
+}
+
+%%%%%%%%%%%%%%% Section: Definition of Keep-Out Volumes %%%%%%%%%%%%%%%%%%%%%%%%
+
+\section{Definition of Keep-Out Volumes}
+
+In this note we refer to the volumes occupied by the MVD setup in the gap of the CBM magnet, called later "Keep-out volumes". To simplify the volume shapes, two regions are defined:
+\begin{itemize}
+ \item A:~~Inside the vacuum chamber
+ \item B:~~Outside the vacuum chamber
+\end{itemize}
+
+We also define three volumes, here called voids, which are subtracted from our regions A and B. They are meant to reserve space for the installation of:
+\begin{itemize}
+ \item V1:~~the CBM target
+ \item V2:~~the MVD detector support and remote positioning system
+ \item V3:~~the vacuum window between MVD and STS
+\end{itemize}
+
+The keep-out volumes A and B as well as voids V1, V2 and V3 are indicated in Figure~\ref{KeepOut_summary_voids}.
+
+\begin{figure}[tbh]
+\begin{center}
+\includegraphics[width=0.99\textwidth]{KeepOut_summary_voids.png}
+\caption{
+Keep-out volume definition. Top: CAD illustrative view on the keep-out volumes located outside (A) and inside (B) the target chamber with indication of void areas (V1 - target volume, V2 - detector support volume, V3 - vacuum window between MVD and STS) that are not at the CBM-MVD group responsibility. Bottom: Dimensions of the keep-out volumes and estimated target chamber. a) Downstream view, b) cross-sectional side view, c) upstream view. (0,0,0): target position.
+\label{KeepOut_summary_voids}}
+\end{center}
+\end{figure}
+
+%%%%%%%%%%%%%%% Section: Constraints and assumptions %%%%%%%%%%%%%%%%%%%%%%%%
+\subsection{Constraints and assumptions}
+
+The following constraints and assumptions apply to the numbers describing the keep-out volumes given in the next section:
+\begin{itemize}
+
+\item A - Volume outside the vacuum chamber: This volume marks the space needed to mount all flanges required to operate the MVD to the target chamber front plate. This front plate is assumed to have a thickness of 20~mm and have its inner side (facing the vacuum) aligned with the z=0 plane. Volume A starts at the outer side of this front plate at z=20~mm. The target is assumed to be located at (0,0,0), see also Figure~\ref{Components}). The volume A extends to z=~-280~mm upstream, excluding the volume taken by the target setup and the beam pipe, cf.~V1. To do so, we exclude a 160 by 160 mm$^2$ box around the beam axis.
+With respect to the target chamber and its front plate, we assume baseline lateral dimensions of 800 by 800 mm$^2$. Our volume A extends less to leave a clearance of 30~mm from the front plate edges for mounting.
+
+\item B - Volume inside the vacuum chamber: To estimate this volume, we assume the "worst case" that is the vertexing (VX) geometry: with stations at z=50, 100, 150 and 200~mm downstream the target, and with a station thickness of 30 mm, respectively. The half stations are sitting in parking position, i.e.~stations are moved by 50 mm in $\pm$x. The station volume includes readout cables of the FEE boards mounted on the heat sinks. The placing of cooling pipes and manifolds as well as readout cables is taken into account, but not yet finally detailed. The volume includes the half station base plate (10~mm thick), it estimates the space taken by cabling and piping, connected to the flanges. An exclusion volume around the beam axis is not defined.
+
+\item V1 - Beam pipe and target installation volume: The required shape and size depend very much on the target construction, e.g.~dimensions, remote positioning, and accessibility. At this point, we assumed V1 to be a cuboid with a dimensions \mbox{160$\times$160$\times$280 mm$^{3}$} centered around the beam axis (see picture \ref{KeepOut_summary_voids}b).
+
+\item V2 - Detector Support Volume (support table with remote positioning): Only a rough estimate can be given - it is driven by the selection of the remote positioning system and mounting structures. The volume contains remote positioning and mounting to the flange, both not yet finally decided upon. Hence, especially its dimensions $x_1 - x_2 = 480$~mm and $y_1 - y_2 = 50$~mm are only roughly estimated. The volume reaches to the flange $z = 0$~mm, i.e.~the target plane and backside of the front plate.
+
+\item V3 - Vacuum window between the MVD and the STS: This volume foresees some room for the vacuum window to extend into the MVD volume B. This is possible because the stations are slimmer where acceptance is established and sensors are placed. The estimated allowance to penetrate the MVD volume B is assumed to be 15~mm in the z-coordinate.
+
+\end{itemize}
+
+\subsection{Keep-Out Volumes}
+Table~\ref{Tab:KeepOut} summarizes the MVD keep-out volumes inside the magnet's gap. No safety margins are included, e.g.~clearance between the last MVD station and the delicate vacuum window towards the STS box and beam pipe. In lateral dimensions we would prefer to design the target chamber volume as large as possible, mainly constrained by the space needed to access the STS services and readout, in z-direction we emphasize to take special care of the volume between the last station and the vacuum window, recommending a clearance of at least 5~mm.
+
+\begin{table}[h]
+\begin{center}
+
+\begin{tabular}{|c|r r|r r|r r|}
+%\begin{tabular}{|p{1.5cm}|p{1.5cm}p{1.5cm}|p{1.5cm}p{1.5cm}|p{1.5cm}p{1.5cm}|}
+\hline \hline
+Volume & x$_1$ (mm) & x$_2$ (mm) & y$_1$ (mm) & y$_2$ (mm) & z$_1$ (mm) & z$_2$ (mm)\\
+\hline
+A & -350 & 350 & -350 & 350 & -280 & -20 \\ \hline
+B & -330 & 330 & -330 & 330 & 0 & 225 \\ \hline
+\hline
+V1 & -80 & 80 & -80 & 80 & -280 & -20 \\ \hline
+V2 & -240 & 240 & -198 & -248 & 0 & 225 \\ \hline
+V3 & -110 & 110 & -110 & 110 & 210 & 225 \\ \hline
+\hline
+\end{tabular}
+\caption{Coordinates of MVD keep-out volumes (A and B) and voids (V1, V2, V3) inside the CBM magnet's gap. No safety margins are included. x: horizontal, y: vertical, z: along beam axis, (0,0,0): target position.}
+\label{Tab:KeepOut}
+\end{center}
+\end{table}
+
+%%%%%%%%%%%%%%% Section: Links to electronic resources %%%%%%%%%%%%%%%%%%%%%%%%
+\section{Links to electronic resources}
+The MVD keep-out volumes as defined in \ref{Tab:KeepOut} have been implemented with Autodesk Inventor 2019. The relevant files can be accessed with the following links:
+\begin{itemize}
+ \item MVD Keep-out volumes technical drawing:~~{\url{https://git.io/fh9wp}}.
+ \item MVD Keep-out volumes STEP file:~~{\url{https://git.io/fh9ru}}
+\end{itemize}
+
+\begin{thebibliography}{}
+%
+\bibitem{MichalPresto} M. Koziel et al., \emph{Vacuum-compatible, ultra-low material budget Micro-Vertex Detector of the compressed baryonic matter experiment at FAIR} NIM-A Vol. 845, P. 100 (2017) and references therein.
+%
+\end{thebibliography}
+
+
--- /dev/null
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+\def\IAref#1#2{$^{\Inst{#1},\mathrm{#2)}}$}\let\InstAnotref=\IAref
+\def\IIref#1#2{$^{\Inst{#1},\Inst{#2})}$} \let\InstInstref=\IIref
+\def\IIIref#1#2#3{$^{\Inst{#1},\Inst{#2},\Inst{#3})}$}
+\def\IIAref#1#2#3{$^{\Inst{#1},\Inst{#2},\mathrm{#3)}}$}
+%%%%%%%%%%%% Annospec environment %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+\newenvironment{Annospec}[1]{% Give width for offset of text
+\vskip2mm\bgroup
+%\def\@makefnmark{\hbox{$^{\mathrm{\@thefnmark)}}$}}
+\long\def\@makefntext##1{\parindent=\z@
+\begin{list}{}%
+ {\labelwidth=#1\leftmargin\labelwidth% set global width
+ \labelsep3pt% horizontal separation between term and item
+ \itemsep0pt% vertical separation between two items
+ \parsep0pt% vertical separation two paragraphs in an item
+ \topsep0pt% vertical separation text/list
+ \footnotesize}
+ \item [\hfill $^{\mathrm{\@thefnmark)}}$] ##1\end{list}}}% ***** end of makefntext
+{\egroup}% ***** end of environment{Annospec} *****
+
+\def\Deceased{\textsuperscript{,*}}
+\ifthenelse{\equal{\MANYAUTHORS}{yes}}{% Commands for long author lists
+ \gdef\Adef#1{\label{LA#1}}
+ \gdef\Aref#1{\textsuperscript{,\ref{LA#1}}}
+ \gdef\Arefs#1{\textsuperscript{\ref{LA#1}}} %% \Aref short (without comma)
+ \gdef\Idef#1{\label{LI#1}\gdef\INTlatex{#1}}
+ \gdef\Irefn#1{\textsuperscript{\ref{LI#1}}}
+ \gdef\Irefnn#1#2{\textsuperscript{\ref{LI#1},\ref{LI#2}}}
+ \gdef\Idefs#1{\label{LI\INTlatex#1}\textsuperscript{(#1)}}
+ \gdef\Irefs#1#2{\textsuperscript{\ref{LI#1#2}#2}}
+ \gdef\Irefss#1#2#3#4{\textsuperscript{\ref{LI#1#2}#2,\ref{LI#3#4}#4}}
+ \gdef\And{, }
+ \gdef\NNospacing{\labelsep=0pt\itemsep=0pt\topsep=0pt\partopsep=0pt\parskip=0pt\parsep=0pt}
+ \renewenvironment{Authlist}{\vspace*{-1.5ex}\enumerate\NNospacing}
+ {\endlist\vspace*{-1.5ex}}
+}{}
+
+% End of titlepage
+\def\endtitlepage{%% Reset counters
+\setcounter{footnote}{0}\let\titlepage\relax\vfill
+\ifthenelse{\equal{\CLEARPAGE}{yes}}{% Commands for long author lists
+\clearpage\setcounter{page}{2}}{\cleardoublepage\setcounter{page}{3}}%
+\pagestyle{plain}\pagenumbering{arabic}%
+\gdef\@thanks{}\gdef\@author{}\gdef\@title{}\let\thanks\relax\endgroup}
+
+% Local stuff
+
+\newcommand{\bra}[1]{\left\langle #1\right|} % <bra|
+\newcommand{\ket}[1]{\left| #1\right\rangle} % |ket>
+\newcommand{\braket}[2]{\left\langle#1 | #2\right\rangle} % <bra|ket>
+
+% Figure placement
+
+\setcounter{topnumber}{5}
+\setcounter{totalnumber}{6}
+\renewcommand{\topfraction}{0.99}
+\renewcommand{\dbltopfraction}{0.99}
+\renewcommand{\bottomfraction}{0.99}
+\renewcommand{\textfraction}{0.15}
+
+\setlength{\intextsep}{10pt plus 2pt minus 4pt} % Space between in-text figures and text.
+\setlength{\floatsep}{10pt plus 2pt minus 4pt} % Space between adjacent floats moved to top or bottom of text page.
+\setlength{\textfloatsep}{10pt plus 2pt minus 4pt}% Space between main text and floats at top or bottom of page.
+\setlength{\dblfloatsep}{10pt plus 2pt minus 4pt} % Same for double column
+\setlength{\dbltextfloatsep}{10pt plus 2pt minus 4pt}
+
+\parskip.5\baselineskip
+\parindent0mm
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+% Equations %
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+
+\allowdisplaybreaks
+
+% page headers
+
+\usepackage[fit]{truncate}
+\usepackage{fancyhdr}
+\pagestyle{fancy}
+\fancyhf{}
+\fancyhead[L,RO]{\thepage}
+%\fancyhead[RE]{\small\leftmark}
+%\fancyhead[LO]{\small\rightmark}
+\fancyhead[R]{\truncate{.85\headwidth}{\Title}}
+\fancyhead[LO]{\truncate{.85\headwidth}{\Authors}}
+
+
+\def\@alph#1{%
+ \ifcase#1\or a\or b\or c\or d\or e\or f\or g\or h\or i\or j\or k\or
+ l\or m\or n\or o\or p\or q\or r\or s\or t\or u\or v\or w\or x\or
+ y\or z%
+ \or aa\or ab\or ac\or ad\or ae\or af\or ag\or ah\or ai\or aj\or
+ ak\or al\or am\or an\or ao\or ap\or aq\or ar\or as\or at\or au\or
+ av\or aw\or ax\or ay\or az%
+ \or ba\or bb\or bc\or bd\or be\or bf\or bg\or bh\or bi\or bj\or
+ bk\or bl\or bm\or bn\or bo\or bp\or bq\or br\or bs\or bt\or bu\or
+ bv\or bw\or bx\or by\or bz%
+ \or ca\or cb\or cc\or cd\or ce\or cf\or cg\or ch\or ci\or cj\or
+ ck\or cl\or cm\or cn\or co\or cp\or cq\or cr\or cs\or ct\or cu\or
+ cv\or cw\or cx\or cy\or cz%
+ \or da\or db\or dc\or dd\or de\or df\or dg\or dh\or di\or dj\or
+ dk\or dl\or dm\or dn\or do\or dp\or dq\or dr\or ds\or dt\or du\or
+ dv\or dw\or dx\or dy\or dz%
+ \or ea\or eb\or ec\or ed\or ee\or ef\or eg\or eh\or ei\or ej\or
+ ek\or el\or em\or en\or eo\or ep\or eq\or er\or es\or et\or eu\or
+ ev\or ew\or ex\or ey\or ez%
+ \or fa\or fb\or fc\or fd\or fe\or ff\or fg\or fh\or fi\or fj\or
+ fk\or fl\or fm\or fn\or fo\or fp\or fq\or fr\or fs\or ft\or fu\or
+ fv\or fw\or fx\or fy\or fz%
+ \or ga\or gb\or gc\or gd\or ge\or gf\or gg\or gh\or gi\or gj\or
+ gk\or gl\or gm\or gn\or go\or gp\or gq\or gr\or gs\or gt\or gu\or
+ gv\or gw\or gx\or gy\or gz%
+ \else\@ctrerr\fi}
+
+
+
+\endinput
+
+%% \CharacterTable
+%% {Upper-case \A\B\C\D\E\F\G\H\I\J\K\L\M\N\O\P\Q\R\S\T\U\V\W\X\Y\Z
+%% Lower-case \a\b\c\d\e\f\g\h\i\j\k\l\m\n\o\p\q\r\s\t\u\v\w\x\y\z
+%% Digits \0\1\2\3\4\5\6\7\8\9
+%% Exclamation \! Double quote \" Hash (number) \#
+%% Dollar \$ Percent \% Ampersand \&
+%% Acute accent \' Left paren \( Right paren \)
+%% Asterisk \* Plus \+ Comma \,
+%% Minus \- Point \. Solidus \/
+%% Colon \: Semicolon \; Less than \<
+%% Equals \= Greater than \> Question mark \?
+%% Commercial at \@ Left bracket \[ Backslash \\
+%% Right bracket \] Circumflex \^ Underscore \_
+%% Grave accent \` Left brace \{ Vertical bar \|
+%% Right brace \} Tilde \~}
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%