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Experimental Results of a Non-Destructive Emittance Measurement Device for H-Beams

To increase the intensity and brightness of particle beams, a detailed knowledge of the transverse phase-space distribution (the emittance) is getting more and more important. Several well-known devices to measure precisely the emittance of a particle beam like the electric-sweep scanner [1] or the slit-grid [2] (also called slit-harp) instrument are widely used therefore. On the other hand these conventional destructive methods. suffers for such high power beam from the power density deposited on the surfaces like slits or pinhole plates. Additionally the beam is lost during the measurement and therefore an online supervision of the beam is impossible.