1. A system (16) of radiation detectors, comprising: a first layer (24) of detectors of the detectors (72, 74) having a first cross-sectional size, for converting an incident X-ray radiation from a transmission source to the transmission data or the emission radiation in a functional or emissive data, at least one second layer (26) of detectors of the detectors (62, 64) having a second cross-sectional size and located below the first layer to convert the emission of radiation in the emission data, wherein the functional Whether emission data is data PET and wherein, for generating CT images, in the first mode, the first layer (24) of detectors collects CT data and wherein, for forming the PET images in the second mode, the first layer (24) a group of detectors comprises detectors (72, 74) RT, electronically connected together for operation in a PET detector and wherein in the second mode, the first layer (24) of detectors collects data PET.2. A system (10) of the image forming, comprising: a gantry (12) which defines a region (14) study a plurality of systems (16) detector of claim 1, arranged around a region of investigation, at least one source (20, 20a, 20b. , 20n) transmitted X-ray radiation, at least one processor (40, 46) reconstruction, which reconstructs the transmission data and emission anatomical image data from functional izobrazhenie.3. System according to any one of claims. 1 and 2, wherein each detector cell (62, 64) of the second layer (26) is blocked by a group of detectors detectors (72, 74) of the first layer (24) detektorov.4. System according to any one of claims. 1-3, wherein the second cross-sectional size of a1. Система (16) детекторов излучения, содержащая:первый слой (24) детекторов из детекторов (72, 74), имеющих первый размер поперечного сечения, для преобразования падающего излучения от источника передачи рентгеновского излучения в данные передачи или эмиссионного излучения в функциональные или эмиссионные данныепо меньшей мере, один вто
