Version 2

diff --git a/GSI_2014_TT_Layout_of_the_MVD/Layout_of_the_MVD.tex b/GSI_2014_TT_Layout_of_the_MVD/Layout_of_the_MVD.tex
index 10314a7584c3007cca89f9bab9beaba0b7bfe72b..a55d79433182956e3d46dc734da753d3b23a9dc7 100644 (file)
--- a/GSI_2014_TT_Layout_of_the_MVD/Layout_of_the_MVD.tex
+++ b/GSI_2014_TT_Layout_of_the_MVD/Layout_of_the_MVD.tex
@@ -44,7 +44,6 @@ The MVD will consist of up to four detector stations at $50 /100 /150 /200$ mm d
 
 The operation of the MVD in the vacuum to minimize multiple scattering of the produced particles requires an efficient cooling of the sensors. At the same time, the material budget of the MVD stations has to be limited due to its significant impact on the tracking and reconstruction efficiency. High performance carbon-based materials - offering the best combination of an excellent heat conductivity and a low contribution to the material budget of the MVD station - will be used as cooling support in the detector acceptance. For the stations positioned at $50$ mm and $100$ mm, $150\; \mu$m thin polycrystalline CVD diamond (CVD) carriers, \cite{2}, will be used as cooling support, while for the third and fourth MVD station $500\; \mu$m thick carbon fibre-encapsulated Thermal Pyrolithic Grafite (TPG), \cite{3}, is proposed, employing $60\; \mu$m carbon fibre sheets. Outside of the active area, the constraints due to minimizing the material budget and the resulting multiple scattering are less stringent which allows for positioning actively cooled aluminum heat sinks. These are held by dedicated half station support structures levelling the different heat sink dimension of the stations, as shown in figure \ref{fig:overview}. The MVD half stations are positonend on common base plates to allow the movement of the MVD apart the beam line while beam tuning and beam focusing.
 
-
 \begin{figure}[htb]
 \centering
 \includegraphics*[width=87.5mm]{MVD_overview.pdf}
@@ -60,13 +59,10 @@ The material budget limit for the first MVD station of $x/X_{0} \approx 0.3 \%$
 
 \bibitem{1}
 F. Morel et al. ``MISTRAL and ASTRAL: two CMOS Pixel Sensor architectures suited to the Inner Tracking System of the ALICE experiment'', 2014 JINST 9 C01026.
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 \bibitem{2}
 CVD diamond, Diamond Materials, http://www.diamond-materials.com.
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 \bibitem{3}
 K. Arndt, Talk at the ``Forum on Tracking Detector Mechanics"', June 2013, Oxford, UK.
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 \end{thebibliography}