Research Masterclass in Radiotherapy Physics 2017

Timepix (Medipix) as a tracking monitor

Semiconductor-based detector

Work by M. Martisikova

particle position area: 1.4 x 1.4 cm 2 256 x 256 pixels time of arrival

1. detector layer 2. detector layer

3D voxel detector based on Timepix, P. Soukup et al. 2011 JINST 6 C01060

Oliver Jäkel Tracking secondary charged particles with ~100% efficiency Medical Physics

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Range determination using prompt protons

K. Gwosch, PMB 2013

Range/position monitoring: ~1-2mm; Beam width: ~2mm

Larger detector needed for igh res. images at low dose

Oliver Jäkel

Medical Physics

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