Development of an advanced Compton camera with gaseous TPC and scintillator

Abstract

A prototype of the MeV gamma-ray imaging camera based on the full reconstruction of the Compton process has been developed. This camera consists of a micro-TPC that is a gaseous Time Projection Chamber (TPC) and scintillation cameras. With the information of the recoil electrons and the scattered gamma-rays, this camera detects the energy and incident direction of each incident gamma-ray. We developed a prototype of the MeV gamma-ray camera with a micro-TPC and a NaI(Tl) scintillator, and succeeded in reconstructing the gamma-rays from 0.3 MeV to 1.3 MeV. Measured angular resolutions of ARM (Angular Resolution Measure) and SPD (Scatter Plane Deviation) for 356 keV gamma-rays were $18^{\circ }$ and $35^{\circ }$, respectively.

4 pages, 5 figures. Proceedings of the 6th International Workshop On Radiation Imaging Detectors

References in corpus (3)

• Development of a time projection chamber with micro pixel electrodes
• Performance of the TPC with Micro Pixel Chamber Readout: micro-TPC
• Performance of a micro-TPC for a time-resolved neutron PSD

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• Development of Si-CMOS hybrid detectors towards electron tracking based Compton imaging in semiconductor detectors
• Studies of the performance of different front-end systems for flat-panel multi-anode PMTs with CsI(Tl) scintillator arrays
• Development of Large area Gamma-ray Camera with GSO(Ce) Scintillator Arrays and PSPMTs
• Optimization of Timepix3-based conventional Compton camera using electron track algorithm
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• Relativistic Impulse Approximation in Compton Scattering
• Compton Scattering Energy Spectrum for Si and Ge Systems
• Diagnostics for ultrashort X-ray pulses using silicon trackers
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