From: Andreas Neiser Date: Tue, 15 Oct 2013 07:15:47 +0000 (+0200) Subject: Adding corrections/additions by Matthias Hoek X-Git-Url: https://jspc29.x-matter.uni-frankfurt.de/git/?a=commitdiff_plain;h=39927d479bfa774aa4f10fc5a80927d8035577d8;p=publication.git Adding corrections/additions by Matthias Hoek --- diff --git a/2013-twepp-neiser-trb3_applications/twepp2013-neiser-trb3.pdf b/2013-twepp-neiser-trb3_applications/twepp2013-neiser-trb3.pdf index a3b14e5..384e003 100644 Binary files a/2013-twepp-neiser-trb3_applications/twepp2013-neiser-trb3.pdf and b/2013-twepp-neiser-trb3_applications/twepp2013-neiser-trb3.pdf differ diff --git a/2013-twepp-neiser-trb3_applications/twepp2013-neiser-trb3.tex b/2013-twepp-neiser-trb3_applications/twepp2013-neiser-trb3.tex index b79a7ec..b6f0e2a 100644 --- a/2013-twepp-neiser-trb3_applications/twepp2013-neiser-trb3.tex +++ b/2013-twepp-neiser-trb3_applications/twepp2013-neiser-trb3.tex @@ -318,14 +318,22 @@ successfully. \label{fig:mainz} \end{figure} -This most recent test beamtime took place in July 2013 at the MAMI-B -microtron in Mainz (electron accelarator) with an beam energy of -$855$\,MeV for the development of the Barrel DIRC detector at PANDA -(\cref{fig:mainz}). In total, 4 TRB3s with TDC implementations were -used with two different discriminator front-ends: The PaDiWa and the -NINO ASIC. It turned out that the difficult threshold setting for the -PaDiWa lead to worse results compared to the NINO ASIC. However, the -TRB3 provided a stable platform for a successful test beamtime. +This most recent test experiment, for the development of a Barrel DIRC +detector for PANDA (\cref{fig:mainz}), took place in July 2013 at the +MAMI-B microtron in Mainz (electron accelerator) with a beam energy of +$855$\,MeV. A Cherenkov counter prototype using the DIRC principle was +placed in the beam line. The prototype comprises a highly-polished +fused silica bar with a lens attached, an oil-filled expansion volume +and a photon detector matrix of up to $6$ $64$-channel MCP-PMTs which +were read out by the TRB3 system. In total, 4 TRB3s with TDC +implementations were used with two different discriminator front-ends: +the PaDiWa and the NINO ASIC. The beam current was set to achieve a +trigger rate of approximately $6$\,kHz. The results show a worse +Cherenkov photon detection for PaDiWa with respect to the NINO ASIC, +as seen in the hit patterns, which is probably caused by differences +in the amplification stage (the gain of the latter is $100$ times +larger). However, the TRB3 provided a stable platform for a successful +test beamtime. \section{Outlook and Future Developments}\label{sec:outlook} @@ -401,8 +409,9 @@ trigger signals for PANDA is being developed and tested. \acknowledgments -A.N. receives a Fellowship through GRK Symmetry Breaking (DFG/GRK -1581). +M.H. is supported by the German Federal Ministry of Education and +Research (BMBF), contract number 05P12UMFP4. A.N. receives a +Fellowship through GRK Symmetry Breaking (DFG/GRK 1581). \begin{thebibliography}{9}