| 摘要 |
The invention relates to a method for determining points of origin (9) of radiation signals (10) in a measurement zone (7). In said method, radiation signals (10) from the measurement zone (7) are detected at a measuring time by a number of radiation detectors (2), measured values associated with the measuring time are provided, and the points of origin (9) are determined taking into account the measured values of all radiation detectors (2) and the known relative positional relationships between the radiation detectors (2), using a set of reference data. The invention also relates to a measuring apparatus (1) for simultaneously detecting radiation events of decaying radionuclides (8) in the measurement zone (7); in said apparatus, a number of radiation detectors (2) is provided in a measuring head (1.1). In advantageous embodiments of the disclosed method and measuring apparatus (1), an ultrasonic probe (16) is additionally disposed in the measuring head (1.1). It is possible to detect, determine and image a 2D intensity distribution of radiation signals (10) of a radionuclide (8) in the entire measurement zone (7). |
