EPJ Web of Conferences
Volume 66, 2014INPC 2013 – International Nuclear Physics Conference
|Number of page(s)||4|
|Section||New Facilities and Instrumentation|
|Published online||20 March 2014|
A pellet tracking system for hadron physics experiments
1 Institute of Physics, Jagiellonian University, PL-30-059 Cracow, Poland
2 Department of Physics and Astronomy, Uppsala University, SE-75120, Uppsala, Sweden
a e-mail: firstname.lastname@example.org
Published online: 20 March 2014
Frozen microspheres of hydrogen (pellets) are used as targets in the hadron physics experiment WASA (Forschungszentrum Jülich, Germany)  and will also be used in the future PANDA experiment at FAIR (GSI, Darmstadt, Germany) . The interaction region is defined by the overlap of the pellet stream and the accelerator beam and has a size of a few millimeters. One would like to know the interaction point more precisely, to have better possibility to reconstruct particle tracks and events. One would also like to suppress background events that do not originate in a pellet, but e.g. may occur in residual gas in the beam pipe. A solution is provided by the presented pellet tracking system, for which a prototype  has been developed in Uppsala. The goal is to track individual pellets in order to know their position at the time of an interaction. The design of such a system, simulation techniques and results are presented.
© Owned by the authors, published by EDP Sciences, 2014
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 2.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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