Aachen 2019 – wissenschaftliches Programm

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T: Fachverband Teilchenphysik

T 92: Detektorsysteme V

T 92.6: Vortrag

Donnerstag, 28. März 2019, 17:20–17:35, S03

Development and test of a fast neutron camera — •Christoph Günther, Nina Höflich, Oliver Pooth, Christian Teichrib, and Simon Weingarten — III. Physikalisches Institut B, RWTH Aachen University, D-52056 Aachen

We are developing a prototype of a scintillator based camera for fast neutron radiography. The camera consists of 4 × 4 pixels with a size of 5 mm× 5 mm per pixel. Each pixel consists of a stilbene crystal whose scintillation light is read out by an SiPM. As a neutron source we use an 241Am/9Be source that emits neutrons with energies up to 11 MeV. So far, optimization studies have been carried out with one pixel in order to achieve a good gamma-neutron discrimination and to maximize the number of detected neutrons.

In this talk the further development of the camera and first measurements with the 4×4 pixel array are presented. To be able to capture images of larger size, measurements with a XY-table will be carried out.

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