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The article describes a model of permanent magnet wiggler (PMWM) to reduce the emittance of accelerator Petra III. The PMWM model is one wiggler period (the period λ=0.2m; the distance between the poles is 0.024m and the maximal magnitude of magnetic field B is 1.5T).BINP SB RAS have developed and manufactured a system to measure magnetic moment of permanent magnets (PMs) with accuracy ⩽5×10 −4...