INDESYS: JRA04 of the ENSAR Project

within EU FP7 programme

 

The INDESYS  Joint Research Activity of ENSAR aims to bring together the expertise in the community to improve the design of gamma and neutron detectors based on scintillation materials and to adapt the RPCs technology, used in the high-energy physics experiments to detect minimum ionising particles (MIPs), to the detection of fast neutrons.

The development of novel technologies based on innovative or already existing materials and photo-sensor devices and the adaptation of RPCs to nuclear physics experiments is crucial for experiments improving the present capabilities of European Nuclear Physics infrastructures.

Similar initiatives start also to be considered overseas (USA and Japan) and it would be crucial to strengthen the leading role of the European Nuclear Physics community in this important field.

New detectors based on these novel technologies will replace actual devices, with limited performance (for instance, in gamma detection, germanium-based detectors provide excellent energy resolution whereas inorganic scintillation crystals can ensure large total absorption efficiencies. The use of new scintillation materials such as LaBr3 and LaCl3 would allow to combine both properties in a single detector).

It is important to keep in mind that present scintillation-based detectors have been used for more than three decades without any real upgrading, and the technologies developed within this JRA will represent a major step in the measurement quality of neutron and gamma radiation. On the other hand, we also plan to work on the improvement of coating and compacting solutions for both scintillation and Ge based detectors. The technique of RPCs with its excellent capabilities related to time resolutions (down to 50 ps sigma) and high efficiencies for MIPs, being at the same time cost-effective, will be adapted to the alternate needs for the detection of fast neutrons and thus charged particles of lower energies.

The developed techniques would also be profitable for improving many applications based on the use of neutrons and gamma radiation (i.e. tracking and imaging techniques have a clear impact on many applications like medical diagnostics, structural inspection, radiation monitoring and many more).

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