EPJ Web of Conferences
Volume 31, 2012IWM2011 – International workshop on Multifragmentation and Related Topics
|Number of page(s)||8|
|Published online||05 July 2012|
Towards ion identification limit with the silicon telescopes of the FAZIA project
INFN, Sezione di Firenze, Italy
The response of Si-Si-CsI(Tl) and Si-CsI(Tl) telescopes with quality controlled detectors, developed within the FAZIA collaboration, is presented. The aim of the test experiment was to explore the capabilities of various solutions exploiting digital pulse shape analysis techniques for charge and mass separation of ions stopped in a single silicon layer, in order to decrease the identification threshold. It has been found that it is possible to fully discriminate the charge of stopped ions up to the maximum available Z (slightly over that of the beam, Z=54). The ΔE-E correlation, both from the first two silicon detectors and for Si+Si vs. CsI(Tl), can identify all the isotopes up to Z=25. The radiation damage effect on these FAZIA silicon detectors has been also studied. In particular, some results about the effect due to the punching-through and stopped Xe ions will be shown and discussed.
© Owned by the authors, published by EDP Sciences - SIF, 2012
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