A triple GEM gamma camera for medical application

F. Anulli, A. Balla, G. Bencivenni, G. Corradi, C. D'Ambrosio, D. Domenici, G. Felici, M. Gatta, M. C. Morone, F. Murtas, O. Schillaci

Research output: Contribution to journalArticlepeer-review


A Gamma Camera for medical applications 10 × 10 cm2 has been built using a triple GEM chamber prototype. The photon converters placed in front of the three GEM foils, has been realized with different technologies. The chamber, High Voltage supplied with a new active divider made in Frascati, is readout through 64 pads, 1 mm2 wide, organized in a row of 8 cm long, with LHCb ASDQ chip. This Gamma Camera can be used both for X-ray movie and PET-SPECT imaging; this chamber prototype is placed in a scanner system, creating images of 8 × 8 cm2. Several measurements have been performed using phantom and radioactive sources of 99 mTc (140 keV) and 22Na (511 keV). Results on spatial resolution and image reconstruction are presented.

Original languageEnglish
Pages (from-to)266-267
Number of pages2
JournalNuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
Issue number1 SPEC. ISS.
Publication statusPublished - Mar 1 2007


  • Gamma camera
  • GEM
  • Medical application
  • Medical imaging

ASJC Scopus subject areas

  • Instrumentation
  • Nuclear and High Energy Physics


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