Very high position resolution gamma imaging with resistive plate chambers

• Type: Article in International Scientific Journal
• Date: 2006

Authors

Blanco, A (Author) Other; Carolino, N (Author) Other; Correia, CMBA (Author) Other; Fazendeiro, L (Author) Other; Ferreira, NC (Author) Other; Marques, MFF (Author) Other; Marques, RF (Author) Other; Fonte, P (Author) Other; Gil, C (Author) Other; Macedo, MP (Author) Other

Journal

Title: NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT

Vol. 567

Pages: 96-99

ISSN: 0168-9002

Indexing

ISI Web of Knowledge - 4 Citations

Scopus - 3 Citations

Other information

Authenticus ID: P-004-GEG

DOI: 10.1016/j.nima.2006.05.074

Abstract (EN): In this study we present experimental results from a first prototype of a positron emission tomography system based on the resistive plate chamber (RPC) technology. The system is composed of two counting heads, each one containing 16 single-gap RPC detectors capable of detecting the photon interaction point in the transaxial plane. Uniformity studies were performed for image resolution and sensitivity, yielding a rather uniform image resolution close to 0.3 mm FWHM across the field of view. The contribution of the photons noncolinearity effect to the intrinsic spatial resolution was also studied, causing a variation from 0.52 to 0.63mm when the system diameter ranges from 60 to 120mm, in agreement with calculations.

Language: English

Type (Professor's evaluation): Scientific

No. of pages: 4